Providers Aubrey Nielsen, PHARMACY TECHNICIAN to Esther Nielsen, MS, CCC-SLP
300 individual NPIs in the federal registry, part 15,820 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. 92 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Aubrey Nielsen, PHARMACY TECHNICIAN | 1730660622 | Pharmacy Technician | Salt Lake City, UT | 2018 |
| Austin Nielsen, MD | 1639631831 | Family Medicine Physician | Bloomington, IN | 2019 |
| Austin Nielsen, DPT | 1851940670 | Orthopedic Physical Therapist | South Jordan, UT | 2019 |
| Austin Nielsen | 1962276436 | Independent Duty Corpsman | San Diego, CA | 2023 |
| Avery Nielsen | 1821682501 | Student in an Organized Health Care Education/Training Program | Fleming Island, FL | 2021 |
| Ayla Nielsen, PTA | 1093682395 | Physical Therapist | Spokane Valley, WA | 2025 |
| Barbara Nielsen, QMHA | 1386869824 | Counselor | Pendleton, OR | 2007 |
| Barbara Nielsen, LPN | 1649505660 | Licensed Practical Nurse | Dix Hills, NY | 2009 |
| Barbara Nielsen, LCMHC | 1891805800 | Mental Health Counselor | Montpelier, VT | 2006 |
| Ben Nielsen | 1700459906 | Behavior Technician | Northridge, CA | 2021 |
| Benjamin Nielsen, DMD | 1538183348 | Endodontics | Portland, OR | 2006 |
| Benjamin Nielsen | 1588961734 | Case Manager/Care Coordinator | Salt Lake City, UT | 2011 |
| Berkley Nielsen, RN | 1881050235 | Ambulatory Women's Health Care Registered Nurse | Aurora, CO | 2016 |
| Bernt Nielsen, RPH | 1922133982 | Pharmacist | Orem, UT | 2007 |
| Beth Nielsen, D.D.S. | 1568584340 | Pediatric Dentistry | Parker, CO | 2007 |
| Beth Nielsen, BSHA | 1598204455 | Registered Nurse | Montgomery, NY | 2017 |
| Beth Nielsen, RN | 1760049233 | Psychiatric/Mental Health Registered Nurse | San Francisco, CA | 2019 |
| Beth Nielsen, D.D.S. | 1821430836 | General Practice Dentistry | Windsor, ME | 2013 |
| Bethaney Nielsen, DPT | 1922417690 | Pediatric Physical Therapist | Mt Pleasant, SC | 2014 |
| Bethany Nielsen, DDS | 1265514681 | General Practice Dentistry | North Sioux City, SD | 2006 |
| Betty Nielsen, RN | 1245425602 | Maternal Newborn Registered Nurse | White Plains, KY | 2007 |
| Bill Nielsen, D.C. | 1548214919 | Chiropractor | Murray, UT | 2006 |
| Birk Nielsen, MD | 1093574550 | Student in an Organized Health Care Education/Training Program | Thousand Oaks, CA | 2024 |
| Blake Nielsen, PHARMD | 1801359179 | Pharmacist | Twin Falls, ID | 2019 |
| Bobbi Nielsen | 1972103224 | Behavior Technician | Sargeant, MN | 2020 |
| Bobbie Jo Nielsen | 1043133523 | Health & Wellness Coach | Plain City, UT | 2026 |
| Bonnie Nielsen | 1437933652 | Speech-Language Pathologist | Ridge, NY | 2023 |
| Bonnie Nielsen, LCSW | 1912473562 | Clinical Social Worker | Palm Harbor, FL | 2018 |
| Bradley Nielsen, PA-C | 1346661436 | Physician Assistant | Omaha, NE | 2013 |
| Bradley Nielsen | 1457359317 | Anesthesiology Physician | Salt Lake City, UT | 2005 |
| Brady Nielsen, DDS | 1437688694 | General Practice Dentistry | Layton, UT | 2017 |
| Brady Nielsen, D.D.S. | 1881971422 | Dentist | Los Angeles, CA | 2011 |
| Brandon Nielsen, O.D. | 1033559026 | Optometrist | Twin Falls, ID | 2013 |
| Brandon Nielsen, MD | 1255125886 | Student in an Organized Health Care Education/Training Program | Eureka, CA | 2025 |
| Brandon Nielsen, DO | 1477131563 | Emergency Medicine Physician | Orange Park, FL | 2021 |
| Brandon Nielsen | 1477835817 | Clinical Social Worker | Layton, UT | 2011 |
| Brandon Nielsen | 1811469315 | Counselor | Eugene, OR | 2018 |
| Brandon Nielsen | 1871106765 | Pharmacist | Springville, UT | 2020 |
| Brandy Nielsen | 1619204211 | Case Manager/Care Coordinator | Sheridan, WY | 2009 |
| Brayden Nielsen, PA-S | 1376306621 | Physician Assistant | Charleston, SC | 2024 |
| Breanna Nielsen | 1922927813 | Personal Care Attendant | Barboursville, WV | 2026 |
| Brennen Nielsen | 1528723988 | Community Health Worker | St George, UT | 2021 |
| Brent Nielsen, MD | 1154448892 | Family Medicine Physician | Saint Cloud, MN | 2007 |
| Brent Nielsen, O.D. | 1518078989 | Optometrist | Moline, IL | 2006 |
| Brent Nielsen, DMD | 1568625879 | General Practice Dentistry | Colorado Springs, CO | 2008 |
| Brett Nielsen, DPM | 1285216853 | Podiatrist | Tampa, FL | 2021 |
| Brett Nielsen, D.D.S. | 1467532580 | Dentist | Denton, TX | 2006 |
| Brett Nielsen, DC | 1982970059 | Chiropractor | Le Claire, IA | 2012 |
| Brian Nielsen, M.D. | 1316948060 | Pediatric Orthopaedic Surgery Physician | Tucson, AZ | 2005 |
| Brian Nielsen, DO | 1710143573 | Internal Medicine Physician | Colton, CA | 2008 |
| Brian Nielsen | 1720826811 | Counselor | Reading, PA | 2024 |
| Brian Nielsen, M.D. | 1851342349 | Obstetrics & Gynecology Physician | Kalamazoo, MI | 2006 |
| Brian Nielsen | 1992650576 | Speech-Language Pathologist | Minneapolis, MN | 2026 |
| Brianna Nielsen, PT | 1013897891 | Physical Therapist | Lisbon, ND | 2025 |
| Brianna Nielsen | 1144885757 | Mental Health Counselor | Pottstown, PA | 2019 |
| Brianna Nielsen, MSOT, OTR/L | 1750926622 | Pediatric Occupational Therapist | New York, NY | 2019 |
| Brianna Nielsen | 1912829722 | Family Nurse Practitioner | Winter Park, FL | 2026 |
| Brigette Nielsen | 1104688746 | Lactation Consultant (Registered Nurse) | Fort Worth, TX | 2024 |
| Briklin Nielsen, DDS, MS | 1538581301 | Pediatric Dentistry | Colorado Springs, CO | 2014 |
| Britt Nielsen, PSY.D. | 1225053747 | Psychologist | Cleveland, OH | 2006 |
| Britta Nielsen, MHC | 1861388548 | Mental Health Counselor | Quincy, MA | 2025 |
| Brittany Nielsen, MSN, CPNPPC, PMHNPBC | 1093299679 | Psychiatric/Mental Health Nurse Practitioner | Parker, CO | 2018 |
| Brittany Nielsen | 1174094817 | Community Health Worker | San Leandro, CA | 2018 |
| Brittany Nielsen, PA-C | 1801525043 | Surgical Physician Assistant | Spartanburg, SC | 2022 |
| Brittany Nielsen | 1922873322 | Family Nurse Practitioner | Sacramento, CA | 2023 |
| Brooke Nielsen, DPT | 1033460779 | Physical Therapist | Garden City, NY | 2012 |
| Brooke Nielsen, OTR/L | 1154647618 | Occupational Therapist | Cherokee, IA | 2010 |
| Brooke Nielsen, MFT INTERN | 1396023982 | Marriage & Family Therapist | Solana Beach, CA | 2011 |
| Brooke Nielsen | 1619767282 | Behavior Technician | Walnut Creek, CA | 2025 |
| Brooke Nielsen | 1811882178 | Behavior Technician | Vestavia Hills, AL | 2025 |
| Brooke Nielsen, LMFT | 1851497606 | Marriage & Family Therapist | Stillwater, MN | 2006 |
| Brooks Nielsen | 1114523636 | Certified Registered Nurse Anesthetist | Lynchburg, VA | 2020 |
| Bruce Nielsen, CRNA | 1225077969 | Certified Registered Nurse Anesthetist | Duluth, MN | 2006 |
| Bryan Nielsen | 1447492301 | Professional Counselor | Layton, UT | 2009 |
| Bryce Nielsen | 1821988577 | Student in an Organized Health Care Education/Training Program | Omaha, NE | 2025 |
| Buddy Nielsen, M.D. | 1114007051 | Anesthesiology Physician | Victoria, TX | 2006 |
| Byron Nielsen, M.D. | 1316157928 | Nephrology Physician | Yankton, SD | 2007 |
| Cai Nielsen, CRNA | 1932178175 | Certified Registered Nurse Anesthetist | Weatherford, TX | 2006 |
| Callie Nielsen | 1346089570 | Physician Assistant | Provo, UT | 2024 |
| Callie Nielsen | 1497381966 | Student in an Organized Health Care Education/Training Program | Provo, UT | 2020 |
| Callie Nielsen | 1700368438 | School Registered Nurse | Bakersfield, CA | 2018 |
| Camilla Nielsen | 1942003843 | Behavior Technician | Provo, UT | 2025 |
| Canon Nielsen, DDS | 1568706497 | General Practice Dentistry | Ventura, CA | 2012 |
| Cara Nielsen, LCSW | 1336884915 | Clinical Social Worker | New York, NY | 2022 |
| Cara Nielsen, OTR | 1780338095 | Occupational Therapist | Nantucket, MA | 2022 |
| Carin Nielsen, M.D. | 1184682924 | Family Medicine Physician | Boyne City, MI | 2006 |
| Carl Nielsen | 1396346466 | Pharmacist | Chantilly, VA | 2020 |
| Carl Nielsen, MD | 1619994142 | Anesthesiology Physician | Saint Louis, MO | 2006 |
| Carla Nielsen | 1740249788 | Clinical Psychologist | Raleigh, NC | 2006 |
| Carli Nielsen | 1205695558 | Behavior Technician | Orange, CA | 2024 |
| Carly Nielsen | 1376141820 | Mental Health Counselor | Littleton, NH | 2020 |
| Carly Nielsen, CCC-SLP | 1427543040 | Speech-Language Pathologist | Eau Claire, WI | 2018 |
| Carly Nielsen | 1831627470 | Clinical Social Worker | West Haven, UT | 2017 |
| Carol Nielsen, MSW | 1528096443 | Clinical Social Worker | Muskegon, MI | 2006 |
| Carol Nielsen, ARNP | 1881633956 | Nurse Practitioner | Clarinda, IA | 2006 |
| Carolina Nielsen | 1699441139 | Developmental Therapist | Wellington, FL | 2021 |
| Carolyn Nielsen, PT, DPT | 1356096317 | Physical Therapist | Chesterton, IN | 2022 |
| Carrie Nielsen, RD | 1104263417 | Registered Dietitian | Omaha, NE | 2013 |
| Carrie Nielsen, CPT, PT ASCP | 1376405365 | Phlebotomy Technician | Vacaville, CA | 2025 |
| Casee Nielsen | 1346733201 | Behavior Technician | South Jordan, UT | 2018 |
| Casey Nielsen | 1376181727 | Mental Health Counselor | Saint Paul, MN | 2019 |
| Cassidy Nielsen | 1841924339 | Behavior Technician | Randolph, MA | 2022 |
| Cathalee Nielsen | 1710239827 | Physical Therapist | Delta, CO | 2012 |
| Catherine Nielsen, APN | 1245916782 | Family Nurse Practitioner | Belleville, NJ | 2023 |
| Catherine Nielsen, MD | 1588654743 | Family Medicine Physician | Oakland, ME | 2005 |
| Celestia Nielsen, FNP | 1093349391 | Family Nurse Practitioner | Libertyville, IL | 2020 |
| Chad Nielsen, LAC | 1316366255 | Addiction (Substance Use Disorder) Counselor | Sioux Falls, SD | 2014 |
| Chandler Nielsen | 1609555952 | Behavior Technician | Fleming Island, FL | 2023 |
| Charis Nielsen, RN | 1508006099 | Registered Nurse | Fergus Falls, MN | 2009 |
| Charissa Nielsen, MT-BC | 1427514173 | Music Therapist | Los Angeles, CA | 2019 |
| Charlene Nielsen | 1437974524 | Case Manager/Care Coordinator | Fargo, ND | 2024 |
| Charles Nielsen | 1457615643 | Case Manager/Care Coordinator | Sacramento, CA | 2012 |
| Charles Nielsen, DO | 1497247837 | Family Medicine Physician | Colorado Springs, CO | 2018 |
| Charles Nielsen, LPC, CPSS | 1831617760 | Professional Counselor | Boise, ID | 2017 |
| Charlotte Nielsen, O.D. | 1962492975 | Optometrist | Grayslake, IL | 2005 |
| Chase Nielsen | 1891666574 | Behavior Technician | Santa Cruz, CA | 2025 |
| Chaseton Nielsen, DO | 1760985600 | Family Medicine Physician | Sanford, NC | 2018 |
| Chelsea Nielsen, MAC, LPC CANDIDATE | 1588890792 | Professional Counselor | Woodward, OK | 2009 |
| Chelsea Nielsen | 1760981435 | Behavior Analyst | Salt Lake City, UT | 2018 |
| Chelsea Nielsen, FNP | 1831818194 | Family Nurse Practitioner | New York, NY | 2022 |
| Chelsey Nielsen | 1164107397 | Community Health Worker | Salt Lake City, UT | 2023 |
| Chersti Nielsen | 1871398388 | Adult Companion | Fremont, NE | 2025 |
| Cheyenne Nielsen | 1609478833 | Community Health Worker | Laramie, WY | 2020 |
| Chloe Nielsen, M.D. | 1962820886 | Maternal & Fetal Medicine Physician | Aurora, CO | 2014 |
| Christian Nielsen, D.D.S. | 1114014784 | Periodontics | Salt Lake City, UT | 2006 |
| Christian Nielsen, MT-BC | 1497965156 | Music Therapist | Watertown, MN | 2007 |
| Christian Nielsen, D.O. | 1932227691 | Occupational Medicine Physician | Tulsa, OK | 2007 |
| Christina Nielsen | 1073098992 | Registered Nurse | Conway, AR | 2018 |
| Christina Nielsen, DO | 1245033547 | Student in an Organized Health Care Education/Training Program | Roanoke, VA | 2025 |
| Christina Nielsen, OTR | 1487695128 | Occupational Therapist | Brookfield, WI | 2006 |
| Christine Nielsen, CSW | 1154068518 | School Social Worker | South Salt Lake, UT | 2022 |
| Christine Nielsen, LMT, MMP | 1972962314 | Massage Therapist | Woodridge, IL | 2016 |
| Christopher Nielsen, M.D. | 1043280811 | Emergency Medicine Physician | Rockford, IL | 2006 |
| Christopher Nielsen, LAC | 1396280061 | Mental Health Counselor | Conway, AR | 2017 |
| Christopher Nielsen, D.M.D | 1437248986 | General Practice Dentistry | Sumner, WA | 2006 |
| Christopher Nielsen, MD | 1477661429 | Interventional Cardiology Physician | Myrtle Beach, SC | 2006 |
| Christopher Nielsen, RADT1 | 1689404576 | Addiction (Substance Use Disorder) Counselor | King City, CA | 2024 |
| Christy Nielsen, PHARMD | 1023496601 | Pharmacist | Chelan, WA | 2015 |
| Christy Nielsen, PT | 1821593070 | Physical Therapist | Omaha, NE | 2018 |
| Cienna Nielsen, P.A. | 1508301946 | Physician Assistant | Las Vegas, NV | 2016 |
| Ciera Nielsen, PHARMD | 1396218426 | Pharmacist | Twin Falls, ID | 2019 |
| Cindy Nielsen | 1306227624 | Massage Therapist | Anchorage, AK | 2015 |
| Cindy Nielsen, LPCC, LIC, PROF CMHC | 1740482876 | Mental Health Counselor | Las Cruces, NM | 2007 |
| Cindy Nielsen, DO | 1891825311 | Family Medicine Physician | Tama, IA | 2007 |
| Claire Nielsen | 1760203954 | Behavior Technician | El Dorado Hills, CA | 2024 |
| Clara Nielsen, MS, CGC | 1477473023 | Genetic Counselor (M.S.) | Madera, CA | 2026 |
| Claudia Nielsen, PHARMD | 1265032684 | Pharmacist | American Fork, UT | 2020 |
| Claus Nielsen, PHARMD | 1902110133 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Olathe, KS | 2010 |
| Clifford Nielsen, CRNA | 1275567380 | Certified Registered Nurse Anesthetist | New Bern, NC | 2006 |
| Colby Nielsen, MD | 1093418170 | Orthopaedic Surgery Physician | Phoenix, AZ | 2023 |
| Cole Nielsen, DMD | 1215629175 | Dentist | Seaside, CA | 2023 |
| Cole Nielsen, PA | 1851867287 | Physician Assistant | Denver, CO | 2018 |
| Colleen Nielsen, OTR/L | 1063732527 | Occupational Therapist | Clinton, IA | 2010 |
| Colleen Nielsen | 1497984272 | Registered Nurse | Leadville, CO | 2009 |
| Conner Nielsen, DDS | 1730815309 | Oral and Maxillofacial Surgery (Dentist) | Fresno, CA | 2022 |
| Connie Nielsen | 1588149033 | Physical Therapist | Great Neck, NY | 2018 |
| Connie Nielsen, LCSW | 1750451266 | Clinical Social Worker | Fairfax, VA | 2006 |
| Corey Nielsen | 1013445717 | Mental Health Counselor | Greeley, CO | 2017 |
| Cory Nielsen | 1083279178 | Psychiatry Physician | Phoenix, AZ | 2019 |
| Cosette Nielsen | 1649832049 | Student in an Organized Health Care Education/Training Program | King Cove, AK | 2019 |
| Courtney Nielsen, APSW | 1093526329 | Social Worker | Kenosha, WI | 2025 |
| Courtney Nielsen | 1790188704 | Case Manager/Care Coordinator | Logan, UT | 2014 |
| Courtney Nielsen, SLP | 1932789344 | Speech-Language Pathologist | Murray, UT | 2021 |
| Craig Nielsen, MD | 1205861531 | Anesthesiology Physician | Alameda, CA | 2006 |
| Craig Nielsen, NP | 1205926888 | Adult Health Nurse Practitioner | Aurora, CO | 2006 |
| Craig Nielsen, LCSW | 1245495225 | Clinical Social Worker | Milwaukie, OR | 2008 |
| Craig Nielsen, O.D. | 1558349738 | Optometrist | Meriden, CT | 2006 |
| Craig Nielsen | 1659222040 | Primary Care Nurse Practitioner | Vernal, UT | 2026 |
| Craig Nielsen, MD | 1740247501 | Internal Medicine Physician | Cleveland, OH | 2006 |
| Crystal Nielsen, ED.S., M.A., PPS | 1225821713 | School Psychologist | Yermo, CA | 2025 |
| Crystal Nielsen, MSW | 1609554765 | Clinical Social Worker | Crescent City, CA | 2023 |
| Curtis Nielsen, D.O. | 1013237502 | Sports Medicine (Family Medicine) Physician | Lehi, UT | 2010 |
| Curtis Nielsen, CRNA, DNP | 1164888087 | Certified Registered Nurse Anesthetist | Fort Worth, TX | 2016 |
| Cutter Nielsen | 1841074051 | Student in an Organized Health Care Education/Training Program | Dallas, TX | 2023 |
| Cynthia Nielsen, MSN ANP-BC | 1104248392 | Nurse Practitioner | Albuquerque, NM | 2014 |
| Cynthia Nielsen, OTR | 1487870218 | Occupational Therapist | Minneapolis, MN | 2007 |
| Cynthia Nielsen, LPC | 1558034041 | Counseling Psychologist | Chicago, IL | 2021 |
| Cynthia Nielsen, MSW | 1790729507 | Clinical Social Worker | New Haven, CT | 2006 |
| Cynthia Nielsen | 1851074900 | Student in an Organized Health Care Education/Training Program | Colville, WA | 2023 |
| Cyra Nielsen | 1447134374 | Behavior Technician | Redmond, OR | 2025 |
| Dahlie Nielsen | 1932407392 | Marriage & Family Therapist | Solana Beach, CA | 2011 |
| Dalton Nielsen, DPT | 1801468129 | Physical Therapist | Torrance, CA | 2021 |
| Dana Nielsen, CCC-SLP | 1407318306 | Speech-Language Pathologist | El Paso, TX | 2019 |
| Dana Nielsen, MA, LMFT | 1912535634 | Marriage & Family Therapist | San Francisco, CA | 2020 |
| Dana Nielsen, MD | 1922595685 | Student in an Organized Health Care Education/Training Program | Fargo, ND | 2018 |
| Dane Nielsen, DDS | 1003036476 | General Practice Dentistry | Ventura, CA | 2007 |
| Dane Nielsen, L.P.C. | 1548231970 | Professional Counselor | Hot Springs, AR | 2006 |
| Dane Nielsen, MA, LMHC, LPC, CADC | 1952773137 | Mental Health Counselor | Olympia, WA | 2015 |
| Dane Nielsen | 1992013163 | Counselor | San Francisco, CA | 2010 |
| Daniel Nielsen, OD | 1205980778 | Optometrist | Urbana, IL | 2007 |
| Danielle Nielsen, NP-C | 1023772506 | Family Nurse Practitioner | Conroe, TX | 2021 |
| Dannah Nielsen | 1457238867 | School Social Worker | West Sacramento, CA | 2025 |
| Darian Nielsen | 1548063753 | Behavior Technician | Colorado Springs, CO | 2025 |
| Darin Nielsen, MDIV, LMFT-TN | 1093436578 | Marriage & Family Therapist | Clarksville, TN | 2022 |
| Darrin Nielsen, LSW | 1326168527 | Social Worker | Sentinel Butte, ND | 2007 |
| Daryl Nielsen, LPN | 1073776217 | Licensed Practical Nurse | Longmont, CO | 2008 |
| David Nielsen | 1134210867 | Physical Therapist | Nashua, NH | 2006 |
| David Nielsen, O.D. | 1285659367 | Optometrist | Rockford, IL | 2006 |
| David Nielsen, LCSW | 1386129963 | Mental Health Counselor | Baton Rouge, LA | 2018 |
| David Nielsen | 1386816635 | Other Technician | St George, UT | 2008 |
| David Nielsen, M.D. | 1639513773 | Anesthesiology Physician | Mesa, AZ | 2013 |
| David Nielsen, M.D. | 1649383027 | Diagnostic Radiology Physician | Provo, UT | 2006 |
| David Nielsen, PH D | 1669544771 | Psychologist | Colville, WA | 2006 |
| David Nielsen, MD | 1821048364 | Internal Medicine Physician | Boise, ID | 2006 |
| David Nielsen, M.D. | 1851410716 | Emergency Medicine Physician | Amherst, MA | 2007 |
| David Nielsen, D.O. | 1922080498 | Orthopaedic Surgery Physician | Charlottesville, VA | 2005 |
| David Nielsen, LICSW, SUDP-T | 1922576842 | Clinical Social Worker | Seattle, WA | 2018 |
| Dawn Nielsen | 1417091232 | Occupational Therapist | Selbyville, DE | 2007 |
| Debbra Nielsen, PTA | 1497730089 | Physical Therapy Assistant | Arlington Heights, IL | 2005 |
| Deborah Nielsen, R.N. A.P.N | 1124276811 | Acute Care Nurse Practitioner | Pontiac, IL | 2008 |
| Deborah Nielsen, MFT | 1497818355 | Mental Health Counselor | Seattle, WA | 2006 |
| Deborah Nielsen | 1609583079 | Personal Care Attendant | Las Vegas, NV | 2022 |
| Debra Nielsen, PT | 1356825673 | Physical Therapist | Saint Louis, MO | 2018 |
| Deirdre Nielsen | 1356927073 | Ambulatory Care Pharmacist | Falmouth, ME | 2021 |
| Derek Nielsen, PT, DPT | 1376033647 | Physical Therapist | Durham, NC | 2018 |
| Destanie Nielsen | 1013343169 | Counselor | Eugene, OR | 2013 |
| Diana Nielsen, MD | 1114787496 | Student in an Organized Health Care Education/Training Program | Los Angeles, CA | 2024 |
| Diana Nielsen, PTA | 1386832558 | Physical Therapy Assistant | Southampton, NY | 2007 |
| Diane Nielsen, M.D. | 1134126949 | Pediatrics Physician | Geneva, IL | 2005 |
| Diane Nielsen, PA C | 1205940962 | Pediatrics Physician | Idaho Falls, ID | 2006 |
| Dianna Nielsen | 1427516798 | Respiratory/Developmental/Rehabilitative Specialist/Technologist | Scottsdale, AZ | 2019 |
| Dianne Nielsen, PHD | 1346888716 | Clinical Psychologist | Orem, UT | 2019 |
| Dianne Nielsen, MS, NCC, LPC-S | 1487542049 | Mental Health Counselor | Beresford, SD | 2025 |
| Donald Nielsen, ATC | 1265564835 | Athletic Trainer | St Charles, IL | 2007 |
| Donald Nielsen | 1457697559 | Hearing Instrument Specialist | Chandler, AZ | 2012 |
| Donald Nielsen, MD | 1992686075 | Internal Medicine Physician | Alamo, CA | 2025 |
| Donna Nielsen, M.D | 1821007345 | Family Medicine Physician | Chicago, IL | 2006 |
| Doug Nielsen, MSW, LCSW | 1003034240 | Clinical Social Worker | Farmington, UT | 2007 |
| Douglas Nielsen, MD | 1366481806 | Pediatrics Physician | Bountiful, UT | 2006 |
| Douglas Nielsen, PHD | 1548323025 | Psychologist | American Fork, UT | 2006 |
| Douglas Nielsen, D.C. | 1740282920 | Chiropractor | Rock Valley, IA | 2005 |
| Drew Nielsen, MD | 1396430120 | Student in an Organized Health Care Education/Training Program | Greenville, NC | 2023 |
| Drew Nielsen | 1700451820 | Home Health Aide | Shenandoah, IA | 2021 |
| Duane Nielsen, ARRT, CRT | 1073684809 | Radiologic Technologist | Santa Ana, CA | 2006 |
| Dustin Nielsen, CRNA | 1598241069 | Certified Registered Nurse Anesthetist | Lubbock, TX | 2018 |
| Dusty Nielsen, D.C. | 1184801623 | Chiropractor | Woodward, OK | 2008 |
| E Nielsen, BS, MSW, LCSW, CRADC | 1780880393 | Clinical Social Worker | Westmont, IL | 2007 |
| Ea Nielsen, DC | 1396939872 | Chiropractor | San Jose, CA | 2007 |
| Earl Nielsen, PH.D. | 1043338593 | Clinical Psychologist | Reno, NV | 2007 |
| Earl Nielsen, MD | 1770550030 | Nephrology Physician | Morristown, NJ | 2006 |
| Ebony Nielsen | 1184264962 | Social Worker | Staten Island, NY | 2020 |
| Edward Nielsen | 1285236919 | Pharmacist | Herndon, VA | 2020 |
| Edward Nielsen, L.M.H.C. | 1306000203 | Mental Health Counselor | Saint Cloud, FL | 2008 |
| Elana Nielsen | 1043880560 | Behavior Technician | West Springfield, MA | 2021 |
| Elisa Nielsen, RN | 1912300104 | Diabetes Educator Registered Nurse | Saint Cloud, MN | 2014 |
| Elisabeth Nielsen, RN | 1942083340 | Registered Nurse | Germantown, WI | 2023 |
| Elizabeth Nielsen, M.A., MFT | 1023291655 | Marriage & Family Therapist | San Carlos, CA | 2007 |
| Elizabeth Nielsen | 1154918274 | Student in an Organized Health Care Education/Training Program | Spokane, WA | 2020 |
| Elizabeth Nielsen, NNP | 1245437615 | Critical Care Neonatal Nurse Practitioner | Greenville, NC | 2007 |
| Elizabeth Nielsen, PT | 1245553767 | Physical Therapist | Reno, NV | 2010 |
| Elizabeth Nielsen, PA-C | 1265685754 | Medical Physician Assistant | Madison, WI | 2008 |
| Elizabeth Nielsen, SLP | 1487916029 | Speech-Language Pathologist | Waterman, IL | 2012 |
| Elizabeth Nielsen | 1649126673 | Behavior Technician | St George, UT | 2026 |
| Elizabeth Nielsen, MD | 1861842007 | Pulmonary Disease Physician | Wauwatosa, WI | 2016 |
| Elizabeth Nielsen | 1972388197 | Student in an Organized Health Care Education/Training Program | Fairfax, VA | 2023 |
| Elizabeth Nielsen, LMSW | 1982256087 | Clinical Social Worker | Grand Rapids, MI | 2019 |
| Ella Nielsen, AA, RBT | 1326663956 | Behavior Technician | Salida, CA | 2020 |
| Ellice Nielsen, OTR/L | 1174933873 | Occupational Therapist | North Canton, OH | 2014 |
| Emilia Nielsen, BA | 1518845767 | Behavior Technician | Bellevue, WA | 2025 |
| Emily Nielsen | 1154773562 | School Social Worker | American Fork, UT | 2016 |
| Emily Nielsen, FNP | 1508241761 | Family Nurse Practitioner | Springfield, IL | 2015 |
| Emily Nielsen, OTD, OTR/L | 1528324506 | Pediatric Occupational Therapist | Omaha, NE | 2012 |
| Emily Nielsen, LMFT | 1568839017 | Marriage & Family Therapist | Alta Loma, CA | 2015 |
| Emily Nielsen, PMHNP | 1619789757 | Psychiatric/Mental Health Nurse Practitioner | Phoenix, AZ | 2025 |
| Emily Nielsen, MS, CN | 1659881407 | Nutrition Education Nutritionist | Pasco, WA | 2017 |
| Emily Nielsen | 1790575454 | Clinical Social Worker | Logan, UT | 2025 |
| Emily Nielsen | 1922571991 | Behavior Technician | Draper, UT | 2019 |
| Emma Nielsen, LAT, ATC | 1790236826 | Athletic Trainer | Oak Brook, IL | 2016 |
| Ena Nielsen, MD | 1942761101 | Orthopaedic Surgery Physician | San Diego, CA | 2019 |
| Enid Nielsen, MA, LPC, NCC | 1841576550 | Professional Counselor | Tigard, OR | 2011 |
| Erhard Nielsen | 1437011806 | Counselor | Corvallis, OR | 2025 |
| Eric Nielsen, M.D. | 1093946618 | Anesthesiology Physician | New York, NY | 2009 |
| Eric Nielsen, PHARMD | 1154740876 | Pharmacist | Asheville, NC | 2014 |
| Eric Nielsen, O.D. | 1225020597 | Optometrist | Mountain Home Afb, ID | 2005 |
| Eric Nielsen | 1225830128 | Student in an Organized Health Care Education/Training Program | Omaha, NE | 2025 |
| Eric Nielsen, MD | 1275745317 | Emergency Medicine Physician | Fallon, NV | 2007 |
| Eric Nielsen, RN | 1588641203 | Home Health Registered Nurse | Racine, WI | 2005 |
| Eric Nielsen, D.D.S. | 1598882607 | Dentist | Spirit Lake, IA | 2007 |
| Eric Nielsen | 1629333588 | General Practice Dentistry | Carrollton, TX | 2012 |
| Eric Nielsen | 1629728589 | Counselor | Elgin, IL | 2022 |
| Eric Nielsen, MD | 1639258767 | Emergency Medicine Physician | Sacramento, CA | 2006 |
| Eric Nielsen | 1760257711 | Behavior Technician | Marysville, CA | 2023 |
| Eric Nielsen, M.D. | 1952336992 | Internal Medicine Physician | Hilton, NY | 2006 |
| Eric Nielsen, MD | 1952750556 | Internal Medicine Physician | Shrewsbury, MA | 2016 |
| Erica Nielsen | 1962013656 | Clinical Social Worker | Las Vegas, NV | 2020 |
| Erik Nielsen, PHARMD | 1003447285 | Pharmacist | Des Moines, IA | 2020 |
| Erik Nielsen, M.D. | 1003803834 | Otolaryngology Physician | Findlay, OH | 2005 |
| Erik Nielsen, OTR/L, CHT | 1376525774 | Hand Occupational Therapist | Seattle, WA | 2005 |
| Erik Nielsen, M.D. | 1588747448 | Anesthesiology Physician | Gresham, OR | 2006 |
| Erik Nielsen, P.T. | 1649540386 | Pediatric Physical Therapist | Sacramento, CA | 2012 |
| Erik Nielsen | 1669904942 | Pulmonary Disease Physician | Stamford, CT | 2017 |
| Erik Nielsen, D.D.S. | 1699118232 | Oral & Maxillofacial Surgery (D.M.D.) | Nashville, TN | 2013 |
| Erik Nielsen, LCPC | 1700592219 | Professional Counselor | Missoula, MT | 2023 |
| Erika Nielsen, DPT | 1013425420 | Orthopedic Physical Therapist | Eagan, MN | 2018 |
| Erika Nielsen, LPC, LMFT | 1235600099 | Mental Health Counselor | Rogers, AR | 2018 |
| Erin Nielsen, LCSW | 1629473111 | Clinical Social Worker | Denver, CO | 2014 |
| Erin Nielsen | 1760719942 | Physical Therapist | Madison, SD | 2009 |
| Erin Nielsen, PT | 1841230059 | Physical Therapist | Millsboro, DE | 2006 |
| Erin Nielsen, M.S. | 1861690273 | Genetic Counselor (M.S.) | Panorama City, CA | 2007 |
| Esther Nielsen, MS, CCC-SLP | 1497818645 | Speech-Language Pathologist | Palm Desert, CA | 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).