Providers Derreco Hallmon to Vivien Halloran, ARNP
300 individual NPIs in the federal registry, part 8,693 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. 108 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Derreco Hallmon | 1205415924 | Mental Health Counselor | Atlanta, GA | 2021 |
| Donta Hallmon, BCBA | 1336504455 | Behavior Analyst | Atlanta, GA | 2015 |
| Nacara Hallmon | 1700326899 | Case Manager/Care Coordinator | Shreveport, LA | 2017 |
| Nasiya Hallmon | 1598066607 | Pharmacist | Miami, FL | 2010 |
| Roushanda Hallmon | 1053765701 | Case Manager/Care Coordinator | Shreveport, LA | 2016 |
| William Hallmon, DMD | 1588868038 | Periodontics | Dallas, TX | 2007 |
| William Hallmon, MD | 1780603555 | Gastroenterology Physician | Statesboro, GA | 2006 |
| Ynerria Hallmon | 1942030200 | Behavior Technician | Farmington Hills, MI | 2024 |
| Barry Hallner, M.D. | 1508030958 | Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician | Baton Rouge, LA | 2008 |
| Jennifer Hallner, S.L.P. | 1659719961 | Speech-Language Pathologist | Hammond, LA | 2013 |
| Marwan Hallo | 1174479976 | Personal Care Attendant | Lincoln, NE | 2026 |
| Nancy Hallo, MD | 1164461828 | Diagnostic Radiology Physician | Kent, OH | 2006 |
| Sharon Hallo, CCC/SLP | 1487769188 | Speech-Language Pathologist | Plano, TX | 2006 |
| Alejandro Hallo Carrasco, M.D. | 1750085767 | Student in an Organized Health Care Education/Training Program | Bronx, NY | 2023 |
| Carlos Hallo Carrasco, M.D. | 1376152736 | Psychiatry Physician | Elmhurst, NY | 2020 |
| Abhirami Hallock, MD | 1972884286 | Radiation Oncology Physician | Detroit, MI | 2011 |
| Adam Hallock, LCMHC | 1831596055 | Professional Counselor | Asheville, NC | 2014 |
| Alexis Hallock, M.D. | 1124181599 | Psychiatry Physician | Redmond, WA | 2006 |
| Alexys Hallock | 1487384004 | Behavior Technician | Southfield, MI | 2022 |
| Alissa Hallock | 1326928722 | Addiction (Substance Use Disorder) Counselor | Coburg, OR | 2025 |
| Amanda Hallock, MA, LPC-MHSP (TEMP) | 1255836466 | Mental Health Counselor | Brentwood, TN | 2018 |
| Amanda Hallock, LM | 1427676691 | Midwife | Deland, FL | 2020 |
| Andrea Hallock, LMT | 1154731875 | Massage Therapist | Portland, OR | 2014 |
| Angela Hallock | 1285805069 | Pharmacist | Elmendorf Afb, AK | 2008 |
| Ann Hallock, LCSW | 1215063771 | Clinical Social Worker | Bellingham, WA | 2007 |
| Ann Hallock, RPH | 1760723555 | Pharmacist | Frederick, MD | 2013 |
| Anna Hallock, PA-C | 1407545890 | Physician Assistant | Charlotte, NC | 2023 |
| Annemarie Hallock, COTA | 1063789303 | Specialist | Tappan, NY | 2011 |
| Anthony Hallock, PHARM.D. | 1538469333 | Pharmacist | Polson, MT | 2010 |
| Ayla Hallock | 1871051748 | Behavior Technician | Silverdale, WA | 2019 |
| Brittany Hallock | 1366135717 | Family Nurse Practitioner | Randolph, NJ | 2023 |
| Christina Hallock, BCBA | 1831694462 | Behavior Analyst | Dallas, TX | 2018 |
| Christopher Hallock, PA-C | 1518552405 | Physician Assistant | Marietta, GA | 2021 |
| Colleen Hallock | 1821215450 | Occupational Therapist | Albuquerque, NM | 2007 |
| Cristi Hallock, IDC | 1194050922 | Independent Duty Corpsman | San Diego, CA | 2009 |
| Daniel Hallock | 1407586829 | Mental Health Counselor | Tigard, OR | 2022 |
| Darlene Hallock | 1710386875 | Mental Health Counselor | Ridgefield Park, NJ | 2014 |
| David Hallock, PA-C | 1023041944 | Physician Assistant | Harrisburg, PA | 2006 |
| Dianne Hallock, FNP | 1326245911 | Family Nurse Practitioner | Sedalia, MO | 2007 |
| Donna Hallock | 1770004913 | Mental Health Counselor | Hoquiam, WA | 2017 |
| E. Hallock, MD | 1881642635 | Internal Medicine Physician | Shawnee, KS | 2006 |
| Easton Hallock, CADC II, QMHA II | 1467220236 | Addiction (Substance Use Disorder) Counselor | Gresham, OR | 2023 |
| Edward Hallock, CRNA | 1003882291 | Certified Registered Nurse Anesthetist | Chattanooga, TN | 2006 |
| Erika Hallock, DDS | 1083840862 | Dentist | Allen, TX | 2009 |
| Esther Hallock, CRNA | 1295196624 | Certified Registered Nurse Anesthetist | Albany, NY | 2016 |
| Geoffrey Hallock, M.D. | 1184618522 | Plastic Surgery Physician | Allentown, PA | 2005 |
| Gillian Hallock | 1043982622 | Counselor | Seattle, WA | 2021 |
| Grant Hallock, DO | 1225666357 | Critical Care Medicine (Internal Medicine) Physician | Park Ridge, IL | 2020 |
| Heather Hallock | 1437953536 | Mental Health Counselor | Jasper, OR | 2025 |
| Helen Hallock, P.T.A. | 1255306197 | Physical Therapy Assistant | Tallmadge, OH | 2006 |
| Irene Hallock, FNP | 1386699866 | Family Nurse Practitioner | Myrtle Beach, SC | 2006 |
| Isabel Hallock | 1700566429 | Mental Health Counselor | Roseville, CA | 2023 |
| James Hallock | 1114167905 | Pharmacist | Elmendorf Afb, AK | 2009 |
| Jamie Hallock | 1598250557 | Family Nurse Practitioner | Toledo, OH | 2018 |
| Jan Hallock, D.O. | 1902283187 | Family Medicine Physician | Klamath Falls, OR | 2015 |
| Jason Hallock, PA-C | 1710922950 | Physician Assistant | Chattanooga, TN | 2006 |
| Jayne Hallock, COTA/L | 1972067064 | Occupational Therapy Assistant | Clarksville, TN | 2019 |
| Jenifer Hallock, MBA, LAC | 1801231949 | Acupuncturist | La Jolla, CA | 2013 |
| Jenna Hallock, M.S. OTR/L | 1659795037 | Occupational Therapist | Lancaster, PA | 2014 |
| Jennifer Hallock, M.D. | 1225355951 | Obstetrics & Gynecology Physician | Baltimore, MD | 2010 |
| Jennifer Hallock, N.P. | 1316194830 | Nurse Practitioner | Richmond, VA | 2008 |
| Jennifer Hallock, MSN, WHNP-BC | 1588469324 | Women's Health Nurse Practitioner | Uniontown, OH | 2025 |
| Jeremy Hallock | 1235809690 | Mental Health Counselor | Marietta, GA | 2021 |
| Jo Hallock, LPN | 1194266999 | Licensed Practical Nurse | Jamestown, ND | 2017 |
| Jodie Hallock | 1285079368 | Licensed Practical Nurse | Nicholson, PA | 2013 |
| John Hallock, M.A. | 1861940751 | Mental Health Counselor | Hadley, MA | 2016 |
| Joseph Hallock | 1376160440 | Physical Therapist | Grand Forks, ND | 2020 |
| Joseph Hallock, CPNP | 1497803985 | Pediatric Nurse Practitioner | Fort Worth, TX | 2007 |
| Justin Hallock | 1841633187 | Sports Medicine (Orthopaedic Surgery) Physician | Decatur, AL | 2013 |
| Katherine Hallock | 1073977146 | Dermatology Physician | Philadelphia, PA | 2016 |
| Kayla Hallock, APRN | 1023623451 | Family Nurse Practitioner | Lincoln, NE | 2020 |
| Kirsten Hallock | 1790650232 | Social Worker | Tukwila, WA | 2025 |
| Kristin Hallock, P.T. | 1881886240 | Physical Therapist | Honolulu, HI | 2007 |
| Laura Hallock, MD | 1275273195 | Pediatrics Physician | Alpharetta, GA | 2022 |
| Laurie Hallock, PTA | 1932224318 | Physical Therapy Assistant | Point Pleasant Boro, NJ | 2007 |
| Linda Hallock | 1851783492 | Case Manager/Care Coordinator | Rio Rancho, NM | 2015 |
| Lisa Hallock, LCPC | 1548067259 | Mental Health Counselor | Annapolis, MD | 2025 |
| Loretta Hallock, D.O. | 1881960201 | Obstetrics & Gynecology Physician | Hartford, CT | 2012 |
| Margaret Hallock | 1215873286 | Clinical Social Worker | Rochester, MN | 2026 |
| Marilyn Hallock, M.D. | 1336110691 | Emergency Medicine Physician | Chicago, IL | 2006 |
| Martha Hallock, PH.D. | 1386683332 | Professional Counselor | Tulsa, OK | 2006 |
| Megan Hallock, PT, DPT | 1124956172 | Physical Therapist | Owasso, OK | 2026 |
| Megan Hallock, PA-C | 1346765708 | Physician Assistant | Anchorage, AK | 2017 |
| Meghann Hallock, PA | 1639598204 | Physician Assistant | Austin, TX | 2014 |
| Melissa Hallock | 1134585755 | Social Worker | Detroit, MI | 2016 |
| Michael Hallock, DDS | 1205157385 | General Practice Dentistry | McKinney, TX | 2010 |
| Michele Hallock, RN | 1013492297 | Registered Nurse | Flint, MI | 2018 |
| Nora Hallock, PHD | 1720227119 | Clinical Psychologist | Santa Barbara, CA | 2009 |
| Norma Hallock, CPNP | 1992825483 | Pediatric Nurse Practitioner | Amherst, MA | 2007 |
| Rajiev Hallock, MD | 1134706708 | Endocrinology, Diabetes & Metabolism Physician | Cleveland, OH | 2021 |
| Rhonda Hallock | 1164032108 | Behavior Technician | Bayside, CA | 2020 |
| Richard Hallock, MD | 1043570872 | Emergency Medicine Physician | Amherst, NY | 2012 |
| Richard Hallock, M.D. | 1407855687 | Orthopaedic Surgery Physician | Camp Hill, PA | 2005 |
| Robert Hallock, M.D. | 1043265804 | Emergency Medicine Physician | Milwaukee, WI | 2006 |
| Samantha Hallock | 1669327276 | Mental Health Counselor | Lake Grove, NY | 2026 |
| Sandy Hallock, DMD | 1811151889 | General Practice Dentistry | Dayton, OH | 2008 |
| Sarah Hallock | 1356826754 | Behavior Technician | Charlotte, NC | 2018 |
| Shannon Hallock | 1811740764 | Dental Assistant | Tinton Falls, NJ | 2024 |
| Sherry Hallock | 1821980343 | Case Manager/Care Coordinator | Windsor, VT | 2025 |
| Sonja Hallock, PTA | 1649693268 | Physical Therapy Assistant | Mansfield, OH | 2014 |
| Stacy Hallock, LLMSW | 1871222059 | Clinical Social Worker | Lansing, MI | 2022 |
| Stanley Hallock, O.D. | 1588669238 | Corneal and Contact Management Optometrist | Orlando, FL | 2005 |
| Stephen Hallock, MS, CAS, LMHC | 1841626918 | Mental Health Counselor | Schenectady, NY | 2013 |
| Tanner Hallock | 1730799867 | Athletic Trainer | Grand Junction, CO | 2020 |
| Taye Hallock | 1346676822 | Social Worker | Philadelphia, PA | 2013 |
| Tiffany Hallock | 1558562413 | Social Worker | Corvallis, OR | 2007 |
| Veronica Hallock | 1760352140 | Health & Wellness Coach | Crescent City, CA | 2025 |
| Virginia Hallock, N.P. | 1649272691 | Adult Health Nurse Practitioner | Savannah, GA | 2005 |
| William Hallock, PHARM.D. | 1841626660 | Pharmacist | Hockessin, DE | 2013 |
| Jasmine Hallock Claybough, BCBA | 1114573557 | Behavior Analyst | Atlanta, GA | 2019 |
| Laurel Hallock Koppelman, FNP-C | 1942623764 | Family Nurse Practitioner | Portland, OR | 2014 |
| Gail Hallof, CRNA | 1841481918 | Certified Registered Nurse Anesthetist | Glendora, NJ | 2007 |
| Janel Halloff | 1659159218 | Clinical Social Worker | Chandler, AZ | 2023 |
| Ann Halloin, FNP | 1396882858 | Family Nurse Practitioner | Kingston, MA | 2007 |
| Thomas Halloin, MD | 1457468068 | Obstetrics & Gynecology Physician | Green Bay, WI | 2006 |
| Chiquita Hallom | 1376345918 | Mental Health Counselor | Elgin, IL | 2025 |
| Michelle Hallom-Taylor, PHD | 1255844783 | Mental Health Counselor | Nashville, TN | 2017 |
| Mervat Hallon, APN | 1093259723 | Primary Care Nurse Practitioner | Berkeley Heights, NJ | 2016 |
| Katarina Hallonblad, M.S., OTR/L | 1598152423 | Occupational Therapist | Amherst, MA | 2015 |
| Ruth Hallongren, LCPC, PSYD | 1235796442 | Professional Counselor | Chicago, IL | 2019 |
| Deidre Hallonquist, PTA | 1033835533 | Physical Therapy Assistant | Dunwoody, GA | 2022 |
| Heidi Hallonquist, MD | 1477613388 | Obstetrics & Gynecology Physician | Concord, NH | 2006 |
| Megan Hallonquist, PA-C | 1760050538 | Physician Assistant | Providence, RI | 2021 |
| Claudia Hallopeter, APRN | 1518433861 | Family Nurse Practitioner | Tampa, FL | 2018 |
| Hannah Hallor, AT, RDN | 1922555473 | Registered Dietitian | Peoria, IL | 2016 |
| Sara Hallor | 1871727206 | Acupuncturist | Belmont, MA | 2009 |
| Abigail Halloran, LCSW | 1528465473 | Clinical Social Worker | Madison, WI | 2014 |
| Aimee Halloran, MS, LPC, CRC, BCN | 1942016035 | Professional Counselor | Garland, TX | 2024 |
| Alexandra Halloran, DO | 1104350578 | Pediatrics Physician | Galveston, TX | 2017 |
| Allison Halloran, BSN, RN | 1720909849 | Critical Care Medicine Registered Nurse | Madison, TN | 2026 |
| Amy Halloran, RPH | 1063734325 | Pharmacist | McKnight, PA | 2010 |
| Andrea Halloran, PTA | 1457678781 | Physical Therapy Assistant | Rising Sun, IN | 2010 |
| Angela Halloran, PA-C | 1437045119 | Physician Assistant | Patchogue, NY | 2025 |
| April Halloran, RN | 1760135628 | Registered Nurse | Winthrop, MA | 2022 |
| Benjamin Halloran, DO | 1073187498 | Emergency Medicine Physician | Kerrville, TX | 2021 |
| Bethany Halloran, MD | 1417451345 | Obstetrics & Gynecology Physician | Danville, IL | 2018 |
| Betty Halloran | 1013564608 | Attendant Care Provider | Seal Beach, CA | 2019 |
| Breanna Halloran | 1164177507 | Personal Care Attendant | Huntington, WV | 2022 |
| Brett Halloran, M.D. | 1235280470 | Internal Medicine Physician | Sarasota, FL | 2007 |
| Brian Halloran, MD | 1205870292 | Vascular Surgery Physician | Ypsilanti, MI | 2006 |
| Brian Halloran, PT | 1760578546 | Physical Therapist | Auburn, CA | 2006 |
| Brittany Halloran, DPT | 1770135584 | Physical Therapist | Brookline, MA | 2019 |
| Brooke Halloran | 1306565403 | Mental Health Counselor | Atlanta, GA | 2022 |
| Brooke Halloran | 1386298818 | Specialist | Southampton, NY | 2019 |
| Brooke Halloran | 1619522265 | Clinical Social Worker | Quincy, MA | 2019 |
| Cailey Halloran | 1427472893 | Acupuncturist | Baton Rouge, LA | 2014 |
| Caitlin Halloran, LMHC | 1265021398 | Mental Health Counselor | Webster, NY | 2021 |
| Caitlin Halloran | 1780566125 | Mental Health Counselor | Dekalb, IL | 2025 |
| Carol Halloran, DDS | 1407831746 | Dentist | Waterloo, IA | 2005 |
| Caroline Halloran, F.N.P. | 1356664130 | Family Nurse Practitioner | Bronx, NY | 2010 |
| Catherine Halloran, DOCTOR OF PHARMACY | 1427600527 | Ambulatory Care Pharmacist | Springdale, AR | 2019 |
| Cayla Halloran | 1588413322 | Professional Counselor | Lakeville, MN | 2024 |
| Charles Halloran, LPC | 1376996181 | Professional Counselor | Richmond, VA | 2016 |
| Christian Halloran, MD | 1528171014 | Emergency Medicine Physician | Brentwood, TN | 2006 |
| Christine Halloran, MA CCC-SLP | 1629433487 | Speech-Language Pathologist | Virginia Beach, VA | 2015 |
| Christopher Halloran, DPT | 1801279690 | Physical Therapist | Cedar Knolls, NJ | 2015 |
| Chrystal Halloran, PHARM.D. | 1811037138 | Pharmacist | Lexington, KY | 2007 |
| Cindy Halloran, OTR | 1730248725 | Occupational Therapist | North Little Rock, AR | 2006 |
| Claire Halloran, MA, CCC-SLP | 1285766279 | Speech-Language Pathologist | Chicago, IL | 2007 |
| Clare Halloran, MD | 1144913955 | Speech-Language Pathologist | Golden, CO | 2023 |
| Colleen Halloran | 1396950317 | Family Psychologist | Red Bank, NJ | 2007 |
| Colleen Halloran, MD | 1518017490 | Pediatrics Physician | Daly City, CA | 2007 |
| Colleen Halloran | 1578296737 | Mental Health Counselor | Louisville, KY | 2022 |
| Connor Halloran, PA-C | 1386423911 | Physician Assistant | Farmington, CT | 2023 |
| Courtney Halloran, NP | 1871040584 | Pediatric Nurse Practitioner | Boston, MA | 2016 |
| Cristin Halloran | 1902633704 | Community Health Worker | Sunderland, MA | 2024 |
| Daniel Halloran, MD | 1255081113 | Family Medicine Physician | Berwyn, IL | 2022 |
| Daniel Halloran, LCSW | 1396129326 | Addiction (Substance Use Disorder) Counselor | Boston, MA | 2015 |
| Daniel Halloran, MD | 1558393702 | Internal Medicine Physician | Menomonee Falls, WI | 2006 |
| Daniel Halloran, DPM | 1831304104 | Foot & Ankle Surgery Podiatrist | Cedar Park, TX | 2007 |
| Danielle Halloran, CDE | 1902128424 | Diabetes Educator Registered Nurse | Monticello, NY | 2010 |
| David Halloran | 1588280010 | Clinical Social Worker | Saginaw, MI | 2020 |
| Diana Halloran, MD | 1548897325 | Hospice and Palliative Medicine (Internal Medicine) Physician | Indianapolis, IN | 2020 |
| Diane Halloran, O.T. | 1295885358 | Occupational Therapist | Wauwatosa, WI | 2007 |
| Douglas Halloran, D.D.S. | 1578770723 | General Practice Dentistry | Fresno, CA | 2007 |
| Edward Halloran, RN, MPH, PHD | 1447998893 | Registered Nurse | Chapel Hill, NC | 2022 |
| Eileen Halloran, LAC | 1730884081 | Acupuncturist | Nashua, NH | 2023 |
| Eiliana Halloran, COTA | 1336687243 | Occupational Therapy Assistant | Tucson, AZ | 2017 |
| Elcin Halloran, MD | 1770270373 | Psychiatry Physician | Bakersfield, CA | 2023 |
| Elizabeth Halloran, M.D. | 1275501900 | Internal Medicine Physician | Baltimore, MD | 2006 |
| Elizabeth Halloran, SLP | 1447595400 | Speech-Language Pathologist | Denver, CO | 2012 |
| Elizabeth Halloran | 1487830477 | Clinical Social Worker | Derry, NH | 2008 |
| Elizabeth Halloran, PHD | 1568543304 | Clinical Psychologist | Toledo, OH | 2006 |
| Emily Halloran | 1255149787 | Behavior Technician | Omaha, NE | 2024 |
| Emily Halloran, DPT | 1326642307 | Physical Therapist | Fort Carson, CO | 2020 |
| Emma Halloran | 1922976273 | Mental Health Counselor | Springfield, MA | 2025 |
| Fiona Halloran, PA-C | 1578150322 | Dermatology Physician | Philadelphia, PA | 2020 |
| Fred Halloran, MD | 1568434942 | Internal Medicine Physician | Huntley, IL | 2006 |
| Geneva Halloran, BSN, RN, PMH-BC | 1689306748 | Registered Nurse | Belmont, MA | 2022 |
| Gregory Halloran, BCBA | 1083456933 | Behavior Analyst | Palatine, IL | 2024 |
| Hanna Halloran, PT | 1467486332 | Physical Therapist | Northville, NY | 2006 |
| Hannah Halloran | 1114797099 | Social Worker | East Haven, CT | 2024 |
| Isaac Halloran, DPT | 1326824038 | Physical Therapist | Fort Campbell, KY | 2023 |
| James Halloran, PA-C | 1164587424 | Physician Assistant | Paris, TX | 2006 |
| James Halloran, MD | 1841561750 | Sports Medicine (Orthopaedic Surgery) Physician | Leawood, KS | 2012 |
| James Halloran, RN MSN CNS | 1871512632 | Clinical Nurse Specialist | San Antonio, TX | 2006 |
| Jamie Halloran, OTR/L | 1336996859 | Occupational Therapist | Louisville, KY | 2024 |
| Jane Halloran | 1407561087 | Personal Care Attendant | Las Vegas, NV | 2023 |
| Janine Halloran, LMHC | 1083818215 | Mental Health Counselor | Norwell, MA | 2007 |
| Jasmine Halloran, PAC | 1124090162 | Physician Assistant | Castro Valley, CA | 2006 |
| Jeanne Halloran, DPT | 1992899025 | Physical Therapist | Rye Brook, NY | 2006 |
| Jenna Halloran, LICSW | 1285103051 | Clinical Social Worker | Boston, MA | 2018 |
| Jennifer Halloran, MD | 1255334652 | Internal Medicine Physician | Nags Head, NC | 2005 |
| Jennifer Halloran, P.T. | 1437537503 | Physical Therapist | Saint Cloud, MN | 2015 |
| Jennifer Halloran, LCSW | 1992184691 | Clinical Social Worker | Bloomington, IN | 2015 |
| Jessica Halloran, CRNP | 1851833263 | Nurse Practitioner | York, PA | 2016 |
| Jessica Halloran, PA-C | 1922585488 | Physician Assistant | Saint Louis, MO | 2018 |
| Joanne Halloran, N.D. | 1306125927 | Naturopath | Saratoga Springs, NY | 2011 |
| John Halloran, M.S., CCC - SLP | 1104166842 | Speech-Language Pathologist | Maumelle, AR | 2013 |
| John Halloran, PSY.D. | 1336628056 | Clinical Psychologist | Brattleboro, VT | 2018 |
| John Halloran, MD | 1821044587 | Diagnostic Radiology Physician | Edina, MN | 2006 |
| John Halloran, DO | 1851888697 | Internal Medicine Physician | Sacramento, CA | 2018 |
| Joleen Halloran | 1144861923 | Professional Counselor | Kansas City, MO | 2019 |
| Jordan Halloran, LCSW | 1528667185 | Clinical Social Worker | Dallas, TX | 2020 |
| Joseph Halloran, NP | 1780534719 | Psychiatric/Mental Health Nurse Practitioner | Scottsdale, AZ | 2026 |
| Judith Halloran, LPC | 1710036132 | Mental Health Counselor | Boulder, CO | 2007 |
| Julia Halloran | 1487140455 | Assistant Behavior Analyst | Stockton, CA | 2018 |
| Justin Halloran, MD | 1386384535 | Student in an Organized Health Care Education/Training Program | Cambridge, MA | 2022 |
| Kari Halloran, MED, RD, LDN | 1073750857 | Registered Dietitian | Carnegie, PA | 2009 |
| Katherine Halloran, OTR | 1740755156 | Occupational Therapist | Saint Peters, MO | 2018 |
| Kathleen Halloran, ND | 1447372891 | Naturopath | North Bend, WA | 2007 |
| Katrina Halloran, MD | 1598102584 | Pediatrics Physician | Sacramento, CA | 2013 |
| Kelly Halloran, OTR/L | 1679134738 | Occupational Therapist | Media, PA | 2019 |
| Kelly Halloran, MN,RNC,FNP,DNC | 1851418206 | Family Nurse Practitioner | San Marcos, CA | 2007 |
| Kelly Halloran, OTR/L | 1912282195 | Occupational Therapist | Westhampton Beach, NY | 2011 |
| Kelsey Halloran | 1023995669 | Physical Therapist | New Albany, OH | 2025 |
| Kendra Halloran | 1972370385 | Counselor | East Taunton, MA | 2023 |
| Kristina Halloran, APRN | 1063062834 | Family Nurse Practitioner | Aiea, HI | 2019 |
| Krysta Halloran, LCMHC | 1730686502 | Mental Health Counselor | Manchester, NH | 2018 |
| Kylene Halloran, M.D. | 1609010933 | Anesthesiology Physician | Lebanon, NH | 2009 |
| Laurel Halloran, A.P.R.N. | 1144312802 | Nurse Practitioner | Danbury, CT | 2006 |
| Lauren Halloran | 1477406544 | Physical Therapist | Sheffield Village, OH | 2026 |
| Leah Halloran, RN | 1881337384 | Certified Registered Nurse Anesthetist | Alpharetta, GA | 2022 |
| Lindara Halloran, MD | 1033106802 | Pediatrics Physician | Truckee, CA | 2005 |
| Lisa Halloran | 1073472973 | Health Educator | Davidson, NC | 2026 |
| Lisa Halloran, FNP | 1144920588 | Family Nurse Practitioner | Columbus, OH | 2023 |
| Margaret Halloran, NP | 1497220131 | Nurse Practitioner | Ann Arbor, MI | 2018 |
| Marian Halloran, LCMHC | 1619564432 | Mental Health Counselor | Berlin, VT | 2020 |
| Mark Halloran, PSS CRM QMHAR CADCR | 1710693544 | Case Manager/Care Coordinator | Portland, OR | 2023 |
| Martin Halloran, LSW | 1952762619 | Addiction (Substance Use Disorder) Counselor | Lorain, OH | 2016 |
| Mary Halloran, RBT | 1003326240 | Behavior Technician | Muskegon, MI | 2017 |
| Mary Halloran, MD | 1396989059 | Family Medicine Physician | Elizabethtown, NY | 2009 |
| Mary Brigid Halloran, DO | 1568873701 | Family Medicine Physician | Brooklyn, NY | 2014 |
| Mary Ellen Halloran, LMFT | 1871859207 | Marriage & Family Therapist | Mansfield Center, CT | 2012 |
| Maryellen Halloran, DPT | 1245669845 | Physical Therapist | Durham, NC | 2013 |
| Matthew Halloran, PLMHP | 1356466064 | Clinical Social Worker | Fremont, NE | 2007 |
| Matthew Halloran, FNP-C | 1528523834 | Family Nurse Practitioner | Burlington, NC | 2019 |
| Matthew Halloran, FNP-C | 1922648419 | Family Nurse Practitioner | Binghamton, NY | 2020 |
| Megan Halloran | 1336934850 | Obstetrics & Gynecology Physician | Boston, MA | 2025 |
| Megan Halloran, CAA | 1356180871 | Anesthesiologist Assistant | Cleveland, OH | 2024 |
| Melody Halloran, NP | 1316224728 | Family Nurse Practitioner | Chattanooga, TN | 2011 |
| Meredith Halloran, PA-C | 1013407261 | Physician Assistant | Dearborn, MI | 2018 |
| Michael Halloran, BS | 1861937526 | Specialist | Manchester, NH | 2017 |
| Michelle Halloran | 1558149039 | School Social Worker | North Smithfield, RI | 2023 |
| Micki Halloran, M.A., LPC | 1154445740 | Professional Counselor | Anchorage, AK | 2007 |
| Miranda Halloran, LCSW | 1972068922 | Clinical Social Worker | Madison, WI | 2019 |
| Molly Halloran | 1124482872 | Internal Medicine Physician | Philadelphia, PA | 2016 |
| Natalie Halloran, RBT | 1033995204 | Behavior Technician | Herrin, IL | 2023 |
| Nicholas Halloran | 1255082657 | Behavior Analyst | San Marcos, CA | 2022 |
| Nicole Halloran, ATC | 1265241863 | Athletic Trainer | Solvay, NY | 2025 |
| Nita Halloran, OTR/L | 1013167816 | Occupational Therapist | Southern Pines, NC | 2008 |
| Noah Halloran | 1316650427 | Chiropractor | Chanhassen, MN | 2023 |
| Olivia Halloran, RYT 200 | 1699565226 | Mental Health Counselor | Newport Beach, CA | 2025 |
| Owen Halloran, MD | 1538221015 | Anesthesiology Physician | Troy, NY | 2006 |
| Pamela Halloran, COTA | 1982413415 | Occupational Therapy Assistant | North Haven, CT | 2024 |
| Patricia Halloran | 1134257025 | Speech-Language Pathologist | Saddle Brook, NJ | 2007 |
| Patricia Halloran, DDS | 1366656670 | Orthodontics and Dentofacial Orthopedics Dentistry | Bronxville, NY | 2007 |
| Patricia Halloran, NP | 1851491211 | Pediatric Nurse Practitioner | Indianapolis, IN | 2006 |
| Patrick Halloran | 1346188067 | Student in an Organized Health Care Education/Training Program | Hershey, PA | 2026 |
| Peter Halloran, MD | 1902605231 | Anatomic Pathology & Clinical Pathology Physician | Indianapolis, IN | 2025 |
| Quinn Halloran | 1942015540 | Behavior Technician | Indianapolis, IN | 2025 |
| Rebecca Halloran | 1508181660 | Mental Health Counselor | Buzzards Bay, MA | 2010 |
| Robert Halloran | 1558900308 | Pharmacist | Mechanicville, NY | 2019 |
| Roberta Halloran, PH.D. | 1922415967 | School Psychologist | Needham, MA | 2014 |
| Robin Halloran, RN | 1215796610 | Registered Nurse | Carnation, WA | 2024 |
| Ryan Halloran | 1851917561 | Physician Assistant | Norwalk, CT | 2020 |
| Sally Halloran, RN | 1942296249 | Registered Nurse | New Haven, CT | 2005 |
| Sara Halloran, RN | 1952128217 | Registered Nurse | Colorado Springs, CO | 2024 |
| Sarah Halloran, PA-C | 1316183726 | Medical Physician Assistant | New Haven, CT | 2009 |
| Sarah Halloran, MD | 1629531363 | Family Medicine Physician | Eagan, MN | 2019 |
| Sarah Halloran, MA COUNSELING SERVIC | 1831364355 | Mental Health Counselor | Fairless Hills, PA | 2008 |
| Sean Halloran | 1194575241 | Internal Medicine Physician | Chicago, IL | 2024 |
| Sean Halloran | 1326893009 | Student in an Organized Health Care Education/Training Program | Pittsburgh, PA | 2024 |
| Shana Halloran | 1801080676 | Counselor | Cheektowaga, NY | 2007 |
| Shayna Halloran, PHARMD | 1558966374 | Pharmacist | Cambridge, MA | 2020 |
| Stephanie Halloran, LICSW | 1205352721 | Social Worker | Salem, MA | 2017 |
| Stephanie Halloran, DC | 1982179503 | Orthopedic Chiropractor | Boston, MA | 2018 |
| Susan Halloran, NP | 1093752230 | Obstetrics & Gynecology Nurse Practitioner | Saint Paul, MN | 2006 |
| Susan Halloran, RPH | 1316067531 | Pharmacist | Edina, MN | 2007 |
| Susan Halloran, DPT | 1770127219 | Physical Therapist | Denver, CO | 2019 |
| Susan Halloran, MS, CCC-SLP | 1871233379 | Speech-Language Pathologist | Richmond, VA | 2022 |
| Teresa Halloran, LADC | 1346593423 | Addiction (Substance Use Disorder) Counselor | Saint Cloud, MN | 2012 |
| Theresa Halloran | 1750830642 | Family Nurse Practitioner | New York, NY | 2016 |
| Thomas Halloran, LAT, ATC | 1083113120 | Athletic Trainer | Charlotte, NC | 2018 |
| Thomas Halloran, MD | 1588696785 | Internal Medicine Physician | Danville, IL | 2006 |
| Thomas Halloran | 1972352748 | Physician Assistant | Abington, PA | 2024 |
| Timothy Halloran, M.D. | 1831249481 | Family Medicine Physician | Le Sueur, MN | 2007 |
| Tracy Halloran, PT | 1902485105 | Physical Therapist | Roseville, CA | 2021 |
| Trina Halloran, LPN | 1184545006 | Licensed Practical Nurse | Indianapolis, IN | 2026 |
| Vivien Halloran, ARNP | 1417914615 | Psychiatric/Mental Health Nurse Practitioner | Bettendorf, IA | 2006 |
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).