Providers Seth Halverson, PT to Amy Halvorson Bayer, MPR RD CDE
300 individual NPIs in the federal registry, part 8,702 of 24,427 of the A to Z by surname. Each row is the registry's record: the name and credential, the NPI, the primary specialty, the practice city and the year the NPI was issued. 79 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Seth Halverson, PT | 1821056060 | Physical Therapist | Bozeman, MT | 2006 |
| Sharon Halverson, ARNP | 1760493571 | Critical Care Neonatal Nurse Practitioner | St Petersburg, FL | 2006 |
| Sonja Halverson, LCSW | 1740966555 | Clinical Social Worker | Spearfish, SD | 2023 |
| Stacey Halverson, PH D | 1699283911 | Psychologist | Phoenix, AZ | 2018 |
| Starla Halverson | 1063212546 | Psychiatric/Mental Health Nurse Practitioner | Puyallup, WA | 2025 |
| Stephen Halverson, CHIROPRACTOR | 1437466455 | Chiropractor | Nevada City, CA | 2010 |
| Stephen Halverson, LAT, ATC, CSCS | 1497776884 | Athletic Trainer | Chapel Hill, NC | 2006 |
| Steven Halverson, M.S.W. | 1588675599 | Clinical Social Worker | Knoxville, IA | 2006 |
| Susan Halverson, R.D.H. | 1225457930 | Dental Hygienist | Oregon City, OR | 2014 |
| Susanne Halverson | 1730880063 | Counselor | Minneapolis, MN | 2023 |
| Tabitha Halverson | 1093531220 | Day Training/Habilitation Specialist | Redwood City, CA | 2024 |
| Tami Halverson | 1275908964 | Clinical Social Worker | Rochester, MN | 2015 |
| Tami Halverson, B.A. | 1538589619 | Psychologist | Napa, CA | 2014 |
| Tate Halverson | 1528844768 | Clinical Psychologist | Durham, NC | 2023 |
| Taylor Halverson | 1447184353 | Speech-Language Pathologist | Fullerton, CA | 2026 |
| Terri Halverson | 1962805549 | Obstetrics & Gynecology Nurse Practitioner | Duluth, MN | 2014 |
| Tess Halverson | 1518485861 | Speech-Language Pathologist | North Charleston, SC | 2017 |
| Tim Halverson, RDN | 1649048612 | Registered Dietitian | Shorewood, WI | 2023 |
| Tyra Halverson, RD | 1073892295 | Registered Dietitian | Tacoma, WA | 2011 |
| Valerie Halverson, R.PH. | 1174740849 | Pharmacist | Grand Rapids, MN | 2007 |
| Valerie Halverson, RPH | 1659513547 | Pharmacist | Cheyenne, WY | 2009 |
| Ward Halverson, LCSW, M.ED. | 1972722106 | Clinical Social Worker | Herkimer, NY | 2007 |
| Wendy Halverson | 1043717101 | Professional Counselor | Dayton, OH | 2018 |
| Wendy Halverson, MA | 1326301888 | Psychologist | Birmingham, MI | 2012 |
| Wes Halverson | 1861775801 | Pharmacist | Plymouth, MN | 2011 |
| William Halverson, MD | 1801908405 | Family Medicine Physician | New Hampton, IA | 2006 |
| Peyton Halverson Granger, DDS | 1154217578 | General Practice Dentistry | Devils Lake, ND | 2025 |
| Mary Halverson-Durall, PA-C | 1487711719 | Physician Assistant | Stevens Point, WI | 2007 |
| Richard Halverson-Muenzer, LMFT | 1588868723 | Marriage & Family Therapist | Nice, CA | 2007 |
| Faith Halverson-Ramos, LPC, LAC, MT-BC | 1144677576 | Professional Counselor | Longmont, CO | 2016 |
| Cara Halverstadt, RDN | 1669313938 | Obesity and Weight Management Nutrition Registered Dietitian | Altus, OK | 2026 |
| David Halverstadt, D.C. | 1063442580 | Chiropractor | San Luis Obispo, CA | 2006 |
| Hilary Halverstadt, D.M.D. | 1063936631 | General Practice Dentistry | Lexington, KY | 2017 |
| Jillian Halverstadt | 1477369890 | Behavior Technician | San Diego, CA | 2024 |
| Jonathan Halverstadt, MS, LMFT | 1750441085 | Marriage & Family Therapist | Fresno, CA | 2006 |
| Katie Halverstadt, RN, IBCLC | 1255148151 | Lactation Consultant (Registered Nurse) | Boulder, CO | 2024 |
| Laura Halverstadt | 1235685710 | Mental Health Counselor | Boulder, CO | 2016 |
| Matthew Halverstadt, M.D. | 1154583086 | Anesthesiology Physician | Saint Louis, MO | 2008 |
| Melissa Halverstadt, COTA/L | 1962778795 | Occupational Therapy Assistant | Boardman, OH | 2012 |
| Sarah Halverstadt, L.AC. | 1942586748 | Acupuncturist | San Francisco, CA | 2011 |
| Shawn Halverstadt, LCDC III | 1003354804 | Addiction (Substance Use Disorder) Counselor | Columbiana, OH | 2017 |
| Torie Halverstadt | 1023662939 | Behavior Technician | Sacramento, CA | 2019 |
| Wendy Halverstadt, LMAC | 1457947400 | Addiction (Substance Use Disorder) Counselor | Newton, KS | 2020 |
| Caroline Halverstam, M.D. | 1215132147 | Dermatology Physician | Bronx, NY | 2007 |
| Miriam Halverstam, M.S., CCC-SLP | 1558598045 | Speech-Language Pathologist | Brooklyn, NY | 2009 |
| Alyssa Halverston | 1255202560 | Behavior Technician | El Cajon, CA | 2025 |
| Bridget Halvey | 1265362305 | Behavior Technician | Libertyville, IL | 2026 |
| Cornelius Halvey, M.D. | 1730183005 | Ophthalmology Physician | Sarasota, FL | 2005 |
| Kathleen Halvey, NP | 1649206905 | Nurse Practitioner | Cumming, GA | 2006 |
| Melissa Halvin, RN | 1508727900 | Registered Nurse | Harrisburg, PA | 2025 |
| Kelly Halvonik, RPAC | 1093784704 | Medical Physician Assistant | Brockport, NY | 2006 |
| Michael Halvonik, MD | 1538249404 | Pulmonary Disease Physician | Cincinnati, OH | 2006 |
| Adam Halvorsen, MACP, LMHC, CDP, CPS | 1144580432 | Mental Health Counselor | Vancouver, WA | 2012 |
| Aiden Halvorsen | 1427910116 | Student in an Organized Health Care Education/Training Program | Cincinnati, OH | 2025 |
| Aimee Halvorsen, RN CDE | 1710177308 | Nutrition Education Nutritionist | Surprise, AZ | 2007 |
| Allison Halvorsen, RN | 1770004186 | Registered Nurse | Chicago, IL | 2017 |
| Amanda Halvorsen, RN | 1811747959 | Registered Nurse | Savage, MN | 2024 |
| Anne Halvorsen, FNP-C | 1881265767 | Family Nurse Practitioner | Minneapolis, MN | 2021 |
| Austin Halvorsen, BS | 1255897302 | Counselor | Everett, WA | 2019 |
| Beth Halvorsen, LMFT | 1447916382 | Marriage & Family Therapist | Burlington, WA | 2021 |
| Brandy Halvorsen, IDMT | 1972933182 | Independent Duty Medical Technicians | Klamath Falls, OR | 2013 |
| Brittany Halvorsen | 1104673417 | Behavior Technician | Newnan, GA | 2024 |
| Brooke Halvorsen, CCC-SLP | 1083301394 | Speech-Language Pathologist | Greensboro, NC | 2023 |
| Candace Halvorsen, CRNFA | 1336175652 | Registered Nurse | Reno, NV | 2006 |
| Chandler Halvorsen | 1285598805 | Physician Assistant | Elon, NC | 2025 |
| Christian Halvorsen, DPT, PT | 1396679502 | Physical Therapist | Pocahontas, AR | 2026 |
| Christine Halvorsen, PAC | 1366466724 | Physician Assistant | Leesburg, FL | 2006 |
| Christopher Halvorsen, PHARMD | 1063076164 | Student in an Organized Health Care Education/Training Program | Phoenix, AZ | 2019 |
| Corinne Halvorsen, PT | 1528126224 | Physical Therapist | Bronx, NY | 2006 |
| Daniel Halvorsen, CRNA | 1093794281 | Certified Registered Nurse Anesthetist | Rochester, MN | 2006 |
| Daniel Halvorsen, DO | 1407348790 | Emergency Medicine Physician | Bethlehem, PA | 2018 |
| Daniel Halvorsen, LPC | 1528321262 | Mental Health Counselor | Saginaw, MI | 2012 |
| Deanna Halvorsen, RN | 1124650783 | Registered Nurse | Monona, WI | 2020 |
| Elise Halvorsen | 1215661426 | Behavior Technician | Mountain View, CA | 2022 |
| Elizabeth Halvorsen, M.D. | 1184783987 | Psychiatry Physician | Farmington, CT | 2006 |
| Ella Halvorsen | 1871434290 | Attendant Care Provider | Lincoln, NE | 2026 |
| Grace Halvorsen | 1346021748 | Family Nurse Practitioner | Oxford, NC | 2023 |
| Ingrid Halvorsen, CMHN | 1922350339 | Mental Health Counselor | Albany, NY | 2012 |
| Jacob Halvorsen, D.O. | 1326423930 | Physical Medicine & Rehabilitation Physician | Madison, WI | 2015 |
| Jade Halvorsen, PHARMD | 1588217715 | Pharmacist | Centerville, IA | 2019 |
| Jake Halvorsen, D.O. | 1497015002 | Internal Medicine Physician | Warren, MI | 2012 |
| James Halvorsen, RPH, BCPP | 1851508626 | Pharmacist | Red Wing, MN | 2007 |
| Jane Halvorsen | 1982580858 | Mental Health Counselor | Philadelphia, PA | 2025 |
| Jennifer Halvorsen, M.S.ED, L.M.T | 1508274937 | Massage Therapist | Mundelein, IL | 2014 |
| Jennifer Halvorsen, RN | 1689409880 | Medical-Surgical Registered Nurse | Cheyenne, WY | 2024 |
| Jennifer Halvorsen, PTA | 1730591884 | Specialist | Coolidge, AZ | 2014 |
| Jessica Halvorsen | 1366233702 | Family Nurse Practitioner | Poughkeepsie, NY | 2025 |
| Joanne Halvorsen | 1053001131 | Addiction (Substance Use Disorder) Counselor | Lowell, MA | 2023 |
| John Halvorsen, MD | 1104830595 | Family Medicine Physician | St Paul, MN | 2006 |
| Juliann Halvorsen | 1629528468 | School Counselor | San Leandro, CA | 2016 |
| Julie Halvorsen, DO, FAAP | 1356395594 | Pediatrics Physician | Lawrenceville, NJ | 2006 |
| Julie Halvorsen, RN | 1629361134 | Home Health Registered Nurse | Oliverea, NY | 2011 |
| Kaitlin Halvorsen | 1750196366 | Occupational Therapist | Indianapolis, IN | 2025 |
| Karen Halvorsen, LMT | 1003796038 | Massage Therapist | N Bellmore, NY | 2025 |
| Karen Halvorsen, PHARM.D. | 1083803209 | Pharmacist | Saint Petersburg, FL | 2007 |
| Kari Halvorsen | 1447657606 | Social Worker | Bad Axe, MI | 2014 |
| Katherine Halvorsen | 1629630991 | Behavior Analyst | Milford, MA | 2019 |
| Kaylynn Halvorsen | 1316872716 | Behavior Technician | Petaluma, CA | 2026 |
| Kevin Halvorsen | 1780340901 | Clinical Psychologist | Anchorage, AK | 2021 |
| Kimberly Halvorsen, MA, QMHA | 1154711919 | Counselor | Klamath Falls, OR | 2015 |
| Kristin Halvorsen | 1174383673 | Student in an Organized Health Care Education/Training Program | New York, NY | 2024 |
| Laura Halvorsen, M.S, CCC/SLP | 1215181771 | Speech-Language Pathologist | Oxford, PA | 2008 |
| Laura Halvorsen | 1609907757 | General Practice Dentistry | Moraga, CA | 2007 |
| Laura Halvorsen, PSY.D. | 1972811289 | Clinical Psychologist | Keene, NH | 2010 |
| Leanna Halvorsen | 1871348326 | Addiction (Substance Use Disorder) Counselor | Santa Rosa, CA | 2024 |
| Lee Halvorsen, MD | 1861570590 | Vascular Surgery Physician | Roseville, CA | 2006 |
| Lisa Halvorsen | 1346562238 | Mental Health Counselor | Eugene, OR | 2010 |
| Lisa Halvorsen | 1427979442 | Family Nurse Practitioner | Charleston, SC | 2026 |
| Lisa Halvorsen | 1669830923 | Physical Therapy Assistant | Plainfield, IL | 2016 |
| Margaret Halvorsen, WHNP | 1457323461 | Nurse Practitioner | Woodbury, MN | 2006 |
| Mark Halvorsen, D.M.D. | 1295888154 | Orthodontics and Dentofacial Orthopedics Dentistry | South Easton, MA | 2007 |
| Mark Halvorsen | 1730469008 | Clinical Social Worker | Saint Ignace, MI | 2011 |
| Mark Halvorsen, PT, DPT | 1811475874 | Physical Therapist | Virginia Beach, VA | 2018 |
| Melinda Halvorsen | 1962236372 | Behavior Technician | Plainfield, IL | 2024 |
| Melissa Halvorsen | 1215158019 | Occupational Therapist | Rochester, MN | 2007 |
| Meri Margaret Halvorsen, RN | 1164314498 | Medical-Surgical Registered Nurse | Artesia, CA | 2025 |
| Michelle Halvorsen, CRNP | 1013171024 | Neonatal Nurse Practitioner | Philadelphia, PA | 2008 |
| Michelle Halvorsen, NP | 1326253360 | Nurse Practitioner | Worcester, MA | 2007 |
| Morgan Halvorsen, PA-C | 1871832980 | Physician Assistant | Houston, TX | 2013 |
| Naomi Halvorsen | 1447061114 | Athletic Trainer | St George, UT | 2025 |
| Neil Halvorsen, DC | 1063164010 | Chiropractor | Farmington, NY | 2022 |
| Patricia Halvorsen, R.PH. | 1144084062 | Compounded Sterile Preparations Pharmacist | High Point, NC | 2024 |
| Patrick Halvorsen, CRNA | 1932156411 | Certified Registered Nurse Anesthetist | Scranton, PA | 2006 |
| Peyton Halvorsen, PA-C | 1003768334 | Physician Assistant | Chicago, IL | 2026 |
| Philip Halvorsen, M.D. | 1568474377 | Maternal & Fetal Medicine Physician | Richland, WA | 2006 |
| Rebecca Halvorsen, MD | 1073044525 | Family Medicine Physician | Pittsburgh, PA | 2017 |
| Robert Halvorsen, MD | 1154506426 | Physical Medicine & Rehabilitation Physician | Sarasota, FL | 2008 |
| Robert Halvorsen, DMD | 1891865226 | Dentist | Sandersville, GA | 2006 |
| Rodney Halvorsen, M.D. | 1649388802 | Gynecology Physician | Kenosha, WI | 2006 |
| Samantha Halvorsen, BSN, RN, CD(DONA) | 1912729237 | Doula | Neptune, NJ | 2024 |
| Sarah Halvorsen, PHARMD | 1447059191 | Pharmacist | Crawfordville, FL | 2025 |
| Sarah Halvorsen, FNP | 1700260825 | Family Nurse Practitioner | Norfolk, VA | 2015 |
| Sarah Halvorsen, OTD, OTR/L | 1841175858 | Occupational Therapist | Fort Collins, CO | 2025 |
| Sarah Halvorsen | 1891533121 | Behavior Technician | Newnan, GA | 2024 |
| Sarah Halvorsen, CSW | 1992841910 | Professional Counselor | Saint Ignace, MI | 2007 |
| Shannon Halvorsen, LMSW | 1962817403 | Social Worker | Lenexa, KS | 2014 |
| Sherice Halvorsen | 1356712269 | Physical Therapy Assistant | Hammond, OR | 2015 |
| Sian Halvorsen, AUD | 1386210151 | Audiologist | Englewood, CO | 2021 |
| Stacey Halvorsen | 1316360886 | Physical Therapist | Bordentown, NJ | 2014 |
| Susan Halvorsen | 1134273667 | Social Worker | Kaneohe, HI | 2007 |
| Susan Halvorsen | 1144688979 | Mental Health Counselor | Wilsonville, OR | 2016 |
| Tanya Halvorsen, M.D. | 1376629972 | Pediatric Endocrinology Physician | Saint Paul, MN | 2006 |
| Tracie Halvorsen, MSN, RN, AGCNS-BC | 1821875451 | Clinical Nurse Specialist | Madison, WI | 2023 |
| Trisha Halvorsen, MD | 1245585959 | Obstetrics & Gynecology Physician | Mount Vernon, WA | 2012 |
| Vanessa Halvorsen, DO | 1235620303 | Otolaryngology Physician | Spanish Fork, UT | 2018 |
| Wade Halvorsen | 1952077901 | Physical Therapy Assistant | Grand Rapids, MN | 2021 |
| Whitney Halvorsen, NP | 1881315869 | Psychiatric/Mental Health Nurse Practitioner | Martinez, CA | 2022 |
| Laura Halvorsen Fregard, MSW, LICSW | 1538842331 | Clinical Social Worker | Duluth, MN | 2023 |
| Julie Halvorsen-Jacobs, P.T. | 1235249202 | Specialist | Oshkosh, WI | 2006 |
| Colleen Halvorsen-Sinclair, PA | 1437288685 | Physician Assistant | Pittsfield, MA | 2007 |
| Abby Halvorson, MA, SLP | 1588189633 | Speech-Language Pathologist | Viborg, SD | 2017 |
| Alexander Halvorson, PA-C | 1710435011 | Surgical Physician Assistant | Springfield, OR | 2016 |
| Amanda Halvorson | 1700712213 | Rehabilitation Practitioner | Jackson, CA | 2026 |
| Amanda Halvorson, NP | 1891294195 | Nurse Practitioner | Rockford, IL | 2018 |
| Ami Halvorson, O.D. | 1447457452 | Optometrist | Portland, OR | 2007 |
| Amy Halvorson, LCSW | 1346614849 | Clinical Social Worker | Louisville, KY | 2015 |
| Ana Marija Halvorson | 1922689967 | Student in an Organized Health Care Education/Training Program | Palo Alto, CA | 2021 |
| Andrea Halvorson, MA, MT-BC, WMTR | 1124464854 | Music Therapist | West Salem, WI | 2013 |
| Angela Halvorson, NP | 1649824996 | Nurse Practitioner | Bemidji, MN | 2019 |
| Ashley Halvorson, RN | 1871302885 | Registered Nurse | Saint Cloud, MN | 2025 |
| Austin Halvorson, PHARMD | 1962328351 | Pharmacist | Fargo, ND | 2026 |
| Barbara Halvorson | 1588299739 | Counselor | Sacaton, AZ | 2020 |
| Barbara Halvorson | 1841025822 | Personal Care Attendant | Galesburg, ND | 2024 |
| Brett Halvorson, RN/BSN | 1851101026 | Registered Nurse | Fargo, ND | 2025 |
| Carla Halvorson | 1629628839 | Attendant Care Provider | Woodburn, OR | 2019 |
| Carol Halvorson, L.P.N. | 1518298371 | Licensed Practical Nurse | Sturgeon Bay, WI | 2010 |
| Chance Halvorson | 1114608197 | Physical Therapist | Medford, OR | 2023 |
| Cherron Halvorson, DPT | 1154448421 | Physical Therapist | Mayville, ND | 2007 |
| Christian Halvorson, M.D. | 1053636506 | Dermatology Physician | Hunt Valley, MD | 2010 |
| Cody Halvorson, OTR/L | 1417711508 | Occupational Therapist | Plymouth, NH | 2024 |
| Curtis Halvorson | 1912604323 | Behavior Technician | Farmington Hills, MI | 2023 |
| Danielle Halvorson | 1942035795 | Behavior Technician | Moorhead, MN | 2024 |
| Dara Halvorson | 1831686732 | Case Manager/Care Coordinator | Bremerton, WA | 2018 |
| David Halvorson | 1750686853 | Driver | Fosston, MN | 2011 |
| David Halvorson, M.D. | 1790880698 | Specialist | Alabaster, AL | 2006 |
| Delaney Halvorson | 1356238042 | Counselor | Tacoma, WA | 2025 |
| Derek Halvorson, MD | 1740234996 | Emergency Medicine Physician | Vancouver, WA | 2006 |
| Diane Halvorson | 1508222514 | Counselor | Baton Rouge, LA | 2016 |
| Elizabeth Halvorson, M.D. | 1972739183 | Hospitalist Physician | Winston Salem, NC | 2009 |
| Emily Halvorson, MA | 1043019185 | Addiction (Substance Use Disorder) Counselor | Tuscaloosa, AL | 2025 |
| Emily Halvorson | 1235843426 | Speech-Language Pathologist | Billings, MT | 2023 |
| Emily Halvorson | 1588964522 | Clinical Social Worker | Hillsboro, OR | 2010 |
| Emily Halvorson | 1629860705 | Professional Counselor | North Riverside, IL | 2025 |
| Eric Halvorson, MD | 1316963879 | Plastic Surgery Physician | Asheville, NC | 2006 |
| Farrah Halvorson | 1952140824 | Home Health Registered Nurse | Cloquet, MN | 2024 |
| Gary Halvorson, M.D. | 1518906247 | Emergency Medicine Physician | Eugene, OR | 2006 |
| Glen Halvorson, M.D. | 1588754873 | Physical Medicine & Rehabilitation Physician | Phoenix, AZ | 2006 |
| Grace-Helen Halvorson | 1356057020 | Student in an Organized Health Care Education/Training Program | Ham Lake, MN | 2023 |
| Heather Halvorson, MD | 1548527336 | Public Health & General Preventive Medicine Physician | Falls Church, VA | 2012 |
| Howard Halvorson, MD | 1255639787 | Urology Physician | Olathe, KS | 2011 |
| Ingrid Halvorson | 1013336114 | Acute Care Nurse Practitioner | Frederick, MD | 2014 |
| Isaac Halvorson | 1184349771 | Behavior Technician | Indianapolis, IN | 2022 |
| James Halvorson, MD | 1972521524 | Family Medicine Physician | Wahpeton, ND | 2006 |
| Jamie Halvorson, MA, LPCC | 1245996537 | Mental Health Counselor | Brooklyn Center, MN | 2021 |
| Jamie Halvorson, OTD, OTR/L | 1629536354 | Occupational Therapist | Brookings, SD | 2019 |
| Jan Halvorson, D.M.D. | 1376761908 | General Practice Dentistry | Eugene, OR | 2007 |
| Jason Halvorson, MD | 1033139159 | Family Medicine Physician | Monticello, MN | 2006 |
| Jeffrey Halvorson, D.D.S, M.S. | 1760403521 | Endodontics | Grand Rapids, MI | 2006 |
| Jenna Halvorson, LPCC | 1811394794 | Professional Counselor | St Anthony, MN | 2014 |
| Jessica Halvorson, RN | 1417407586 | Registered Nurse | Superior, WI | 2016 |
| John Halvorson, PHD | 1780660670 | Clinical Psychologist | Grand Junction, CO | 2005 |
| Jolyn Halvorson, DC | 1659391779 | Chiropractor | Buffalo, MN | 2006 |
| Jonthan Halvorson, PHARMD | 1750724670 | Pharmacist | Wheat Ridge, CO | 2013 |
| Jordan Halvorson, PT | 1689297343 | Physical Therapist | Appleton, MN | 2020 |
| Joseph Halvorson | 1992112635 | Adult Health Nurse Practitioner | Fargo, ND | 2014 |
| Juliana Halvorson | 1396246500 | Behavior Technician | Fresno, CA | 2018 |
| Justin Halvorson, ATC | 1699125641 | Athletic Trainer | Belgrade, MT | 2016 |
| Kailen Halvorson, DPT | 1346087673 | Physical Therapist | Northwood, ND | 2024 |
| Kari Halvorson, MD | 1114371614 | Family Medicine Physician | Roseville, MN | 2016 |
| Kari Halvorson | 1295320018 | Counselor | Bend, OR | 2021 |
| Karin Halvorson, M.D. | 1326201625 | Internal Medicine Physician | Wailuku, HI | 2008 |
| Karissa Halvorson, COTA | 1063922409 | Occupational Therapy Assistant | Shell Lake, WI | 2017 |
| Karla Halvorson, LCSW | 1588521603 | Clinical Social Worker | San Diego, CA | 2026 |
| Karlee Halvorson | 1871948901 | Critical Care Medicine Registered Nurse | Fargo, ND | 2016 |
| Kasey Halvorson | 1184351116 | Behavior Technician | Omaha, NE | 2022 |
| Kathleen Halvorson, MFTI | 1265543474 | Mental Health Counselor | Sacramento, CA | 2006 |
| Kathleen Halvorson | 1487528295 | Certified Registered Nurse Anesthetist | West Bloomfield, MI | 2025 |
| Kaylee Halvorson | 1912350216 | Counselor | Lacey, WA | 2016 |
| Kenneth Halvorson | 1659045086 | Clinical Social Worker | Tumwater, WA | 2021 |
| Kirk Halvorson | 1548467400 | Optometrist | Tacoma, WA | 2007 |
| Kjersti Halvorson | 1801776331 | Behavior Technician | Saint Cloud, MN | 2025 |
| Kory Halvorson | 1447982285 | Physical Therapist | Hamilton, MT | 2022 |
| Krista Halvorson | 1386440873 | Behavior Technician | Waite Park, MN | 2025 |
| Kristen Halvorson, PA-C | 1447796172 | Physician Assistant | Manahawkin, NJ | 2017 |
| Kristin Halvorson, B.C.B.A | 1104368935 | Behavior Analyst | Lafayette, CO | 2016 |
| Kristyn Halvorson, MS, LMFT | 1104529940 | Marriage & Family Therapist | Pasadena, CA | 2023 |
| Kyle Halvorson, OD | 1295700268 | Ophthalmology Physician | Red Wing, MN | 2006 |
| Kyle Halvorson, M.D. | 1740507490 | Neurological Surgery Physician | Minneapolis, MN | 2010 |
| Larissa Halvorson, APRN, CNP | 1861193930 | Nurse Practitioner | Mankato, MN | 2023 |
| Larry Halvorson, MD | 1457442469 | Family Medicine Physician | Grand Forks, ND | 2006 |
| Lauren Halvorson, M.D. | 1871818328 | Gastroenterology Physician | Laurel, MD | 2010 |
| Lesli Halvorson, PA-C | 1831147313 | Physician Assistant | Renton, WA | 2006 |
| Lily Halvorson | 1447907084 | Behavior Technician | Salt Lake City, UT | 2022 |
| Lindsay Halvorson, REGISTERED NURSE | 1063987832 | High-Risk Obstetric Registered Nurse | Detroit Lakes, MN | 2018 |
| Lisa Halvorson, MD | 1568412088 | Reproductive Endocrinology Physician | Rockville, MD | 2006 |
| Lloyd Halvorson, M.D. | 1033110028 | Pulmonary Disease Physician | Frederick, MD | 2005 |
| Logan Halvorson | 1063242113 | Counselor | Tacoma, WA | 2024 |
| Lori Halvorson, AUD | 1093903908 | Audiologist-Hearing Aid Fitter | Lake Forest, IL | 2007 |
| Lori Halvorson, LMHC | 1497001978 | Mental Health Counselor | Grinnell, IA | 2012 |
| Marcy Halvorson, PHD | 1922628791 | Psychologist | Maplewood, MN | 2020 |
| Margaret Halvorson | 1982133823 | Speech-Language Assistant | Cypress, TX | 2017 |
| Maria Halvorson, DO | 1164446704 | Family Medicine Physician | Ojai, CA | 2006 |
| Marissa Halvorson, OTD, OTR | 1730916966 | Pediatric Occupational Therapist | Pearland, TX | 2024 |
| Marjorie Halvorson, LPC | 1568163046 | Mental Health Counselor | San Antonio, TX | 2023 |
| Mark Halvorson, MD | 1063852911 | Family Medicine Physician | Richland, WA | 2013 |
| Matthew Halvorson, MA, L.P.C. | 1134629470 | Mental Health Counselor | Carmel, IN | 2018 |
| Melanie Halvorson, M.D. | 1265438527 | Nephrology Physician | Montgomery, AL | 2005 |
| Melinda Halvorson | 1801559414 | Homemaker | Beckley, WV | 2021 |
| Melissa Halvorson, MD | 1114994365 | Obstetrics & Gynecology Physician | Saint Johns, MI | 2006 |
| Milda Halvorson, RN, MSN | 1790591790 | Administrator Registered Nurse | Fargo, ND | 2024 |
| Mildred Halvorson, PT | 1730621665 | Physical Therapist | Chattanooga, TN | 2016 |
| Miranda Halvorson | 1508370206 | Mental Health Counselor | Lebanon, OR | 2017 |
| Miriam Halvorson, MA 60261270 | 1609146745 | Community Health Worker | Bremerton, WA | 2012 |
| Morgan Halvorson | 1275453565 | Specialist | Moorhead, MN | 2026 |
| Natalie Halvorson | 1831082445 | Behavior Technician | Minnetonka, MN | 2025 |
| Neave Halvorson | 1447853460 | Mental Health Counselor | Denver, CO | 2020 |
| Nicole Halvorson | 1184093999 | Occupational Therapist | Jordan, MN | 2015 |
| Nicole Halvorson | 1952335515 | Pharmacy Technician | Oshkosh, WI | 2006 |
| Nicole Halvorson, M.A., CCC-SLP | 1992057079 | Speech-Language Pathologist | Hiawatha, IA | 2012 |
| Nikki Halvorson | 1962337659 | Case Manager/Care Coordinator | Bottineau, ND | 2026 |
| Olivia Halvorson, APRN | 1063989945 | Family Nurse Practitioner | Rocky Hill, CT | 2018 |
| Olivia Halvorson, PLMHP | 1346073756 | Mental Health Counselor | Omaha, NE | 2024 |
| Paige Halvorson, M.D. | 1659698306 | Obstetrics Physician | Saint Paul, MN | 2010 |
| Paula Halvorson, DC | 1275542193 | Chiropractor | Temecula, CA | 2006 |
| Peter Halvorson, MD | 1265528541 | Family Medicine Physician | Houston, TX | 2006 |
| Peter Halvorson, D.C. | 1508269556 | Chiropractor | Lakewood, CO | 2014 |
| Peter Halvorson, M.D. | 1831152008 | Surgery Physician | Fridley, MN | 2006 |
| Rachael Halvorson, RD LD | 1861724817 | Registered Dietitian | Eagan, MN | 2010 |
| Rainy Halvorson | 1972156453 | Behavior Analyst | Fairbanks, AK | 2019 |
| Rebecca Halvorson | 1740893205 | Personal Care Attendant | Beaver, WV | 2020 |
| Ronald Halvorson, MD | 1225012263 | Hematology & Oncology Physician | Brainerd, MN | 2005 |
| Ryan Halvorson, MD | 1720666191 | Student in an Organized Health Care Education/Training Program | San Francisco, CA | 2021 |
| Sally Halvorson | 1285669648 | Registered Dietitian | Duluth, MN | 2006 |
| Sarah Halvorson, LPN | 1023813300 | Licensed Practical Nurse | Saint Cloud, MN | 2025 |
| Sarah Halvorson | 1336412865 | Marriage & Family Therapist | Chicago, IL | 2012 |
| Scott Halvorson, CRNA | 1003145426 | Certified Registered Nurse Anesthetist | Duluth, MN | 2009 |
| Scott Halvorson, PHARM.D. | 1063799427 | Pharmacist | Olathe, KS | 2011 |
| Scott Halvorson, MD | 1407838444 | Internal Medicine Physician | Highland, IL | 2005 |
| Shalie Halvorson | 1700452521 | Behavior Technician | Cosmos, MN | 2021 |
| Shandi Halvorson | 1891416855 | Massage Therapist | Baxter, MN | 2022 |
| Shawn Halvorson, DC | 1679846745 | Chiropractor | Fargo, ND | 2012 |
| Sheila Halvorson, MS CCC SLP | 1245389469 | Speech-Language Pathologist | Devils Lake, ND | 2007 |
| Sonja Halvorson, PA-C | 1154879351 | Physician Assistant | Eugene, OR | 2016 |
| Sonja Halvorson, OTR | 1891108965 | Pediatric Occupational Therapist | Webster, TX | 2014 |
| Spencer Halvorson | 1679318844 | Physician Assistant | Farmington, NM | 2024 |
| Stephanie Halvorson, MD | 1760497275 | Internal Medicine Physician | Portland, OR | 2006 |
| Stephanie Halvorson | 1922572361 | Student in an Organized Health Care Education/Training Program | South Saint Paul, MN | 2019 |
| Stephanie Halvorson, LMHC | 1992127351 | Mental Health Counselor | Cedar Rapids, IA | 2014 |
| Stephen Halvorson, MD | 1215045802 | Family Medicine Physician | Butte, MT | 2006 |
| Steven Halvorson, DO | 1356073019 | Student in an Organized Health Care Education/Training Program | Moreno Valley, CA | 2022 |
| Susan Halvorson, MSW | 1255539458 | Clinical Social Worker | Fargo, ND | 2007 |
| Suzzette Halvorson, B.A., SLPA | 1245536572 | Speech-Language Assistant | Huntington Beach, CA | 2011 |
| Talley Halvorson | 1063173359 | Hand Occupational Therapist | Grand Junction, CO | 2022 |
| Taylor Halvorson, PA-C | 1992313514 | Physician Assistant | Brainerd, MN | 2020 |
| Thomas Halvorson, MD | 1578555264 | Orthopaedic Surgery Physician | Prosser, WA | 2005 |
| Thomas Halvorson, LMP | 1710306022 | Student in an Organized Health Care Education/Training Program | Tacoma, WA | 2014 |
| Tracy Halvorson, MD | 1801388996 | Forensic Pathology Physician | Minnetonka, MN | 2018 |
| Tyna Halvorson, LPN | 1003789843 | Licensed Practical Nurse | Grand Forks, ND | 2025 |
| Wayne Halvorson | 1497941793 | Personal Care Attendant | Crookston, MN | 2007 |
| Amy Halvorson Bayer, MPR RD CDE | 1063538684 | Preventive Medicine/Occupational Environmental Medicine Physician | Denver, CO | 2007 |
Source: CMS National Plan and Provider Enumeration System (NPPES) (download.cms.gov). A listing is not a recommendation: check a license with the state board (license lookups).