Providers Krysten Nielsen, M.S. to Ronald Nielsen
300 individual NPIs in the federal registry, part 15,822 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. 95 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Krysten Nielsen, M.S. | 1619636289 | Psychologist | Melville, NY | 2021 |
| Kurt Nielsen, MD | 1235275314 | Emergency Medicine Physician | Tyler, TX | 2007 |
| Kurt Nielsen, D.D.S. | 1295933059 | General Practice Dentistry | Centennial, CO | 2007 |
| Kurt Nielsen, PSYD | 1346777406 | Clinical Psychologist | Poulsbo, WA | 2017 |
| Kyle Nielsen, DO | 1205490372 | Emergency Medicine Physician | Port St Lucie, FL | 2019 |
| Kyle Nielsen, RPH | 1306269253 | Pharmacist | Hillsboro, OR | 2014 |
| Kyle Nielsen, D.O. | 1912384637 | Emergency Medicine Physician | Provo, UT | 2015 |
| Kyra Nielsen, COTA/L | 1821629791 | Occupational Therapy Assistant | Springdale, AR | 2020 |
| Kyrian Nielsen, CSW | 1538768817 | Clinical Social Worker | Vineyard, UT | 2020 |
| Landon Nielsen, OTR/L | 1396420501 | Occupational Therapist | Nephi, UT | 2023 |
| Lanesha Nielsen | 1750224911 | Behavior Technician | South Jordan, UT | 2026 |
| Lani Nielsen, CNM | 1538133897 | Advanced Practice Midwife | Fort Collins, CO | 2006 |
| Larissa Nielsen | 1487453841 | Home Health Aide | North Platte, NE | 2025 |
| Lars Nielsen, MSW | 1437364544 | Mental Health Counselor | Lemon Grove, CA | 2007 |
| Lars Nielsen, L.AC. | 1992950646 | Acupuncturist | Carlsbad, CA | 2008 |
| Laura Nielsen, MS, LMHC | 1023349370 | Mental Health Counselor | Allentown, PA | 2010 |
| Laura Nielsen | 1235408360 | Counselor | Sacramento, CA | 2011 |
| Laura Nielsen, M.D. | 1497851026 | Pediatrics Physician | Omaha, NE | 2006 |
| Laura Nielsen, FNP | 1598301889 | Family Nurse Practitioner | Roseville, MI | 2019 |
| Laura Nielsen | 1750914404 | Behavior Technician | San Francisco, CA | 2020 |
| Laura Nielsen, PSY.D., LP | 1841497864 | Clinical Psychologist | Saint Paul, MN | 2007 |
| Laura Nielsen, D.O. | 1922447234 | Family Medicine Physician | Norwalk, IA | 2013 |
| Laura Nielsen | 1942696968 | Pharmacist | Coon Rapids, MN | 2015 |
| Laurel Nielsen | 1255219085 | Peer Specialist | Clarkston, WA | 2025 |
| Lauren Nielsen, DPT | 1326609330 | Physical Therapist | Prattville, AL | 2019 |
| Lauren Nielsen, PT, DPT, DSC | 1649693375 | Physical Therapist | Orlando, FL | 2014 |
| Lauren Nielsen, CRNA | 1891069092 | Certified Registered Nurse Anesthetist | Grand Blanc, MI | 2012 |
| Lauren Nielsen | 1942030309 | Mental Health Counselor | Laveen, AZ | 2024 |
| Laurie Nielsen, P.M.H.N.P | 1528198736 | Psychiatric/Mental Health Nurse Practitioner | Medford, OR | 2007 |
| Lawrence Nielsen, D.C. | 1447332051 | Chiropractor | Mesa, AZ | 2006 |
| Lawrence Nielsen | 1891559415 | Marriage & Family Therapist | Pasadena, CA | 2024 |
| Leah Nielsen | 1457470718 | Marriage & Family Therapist | Oceanside, CA | 2007 |
| Lee Nielsen | 1659560134 | Physical Therapist | Price, UT | 2007 |
| Leif Nielsen, CABI | 1104264696 | Behavior Technician | Sparks, NV | 2013 |
| Leila Nielsen | 1093479693 | Behavior Technician | Columbia, MD | 2021 |
| Leon Nielsen, CRNA | 1902974991 | Certified Registered Nurse Anesthetist | Goodland, KS | 2006 |
| Letraya Nielsen, FNP-C | 1477313914 | Family Nurse Practitioner | Lees Summit, MO | 2024 |
| Leyla Nielsen | 1902420060 | Genetic Counselor (M.S.) | Mountain View, CA | 2020 |
| Linda Nielsen, LICSW | 1326137969 | Clinical Social Worker | Bloomington, MN | 2006 |
| Linda Nielsen, RN, MSN, FNP-C, GNP | 1912970138 | Family Nurse Practitioner | Indianapolis, IN | 2006 |
| Lindsay Nielsen, LICSW | 1346450921 | Clinical Social Worker | Minneapolis, MN | 2007 |
| Lindsey Nielsen | 1376224691 | Counselor | Vernon Hills, IL | 2023 |
| Lindsey Nielsen, PMHNP-BC | 1639865967 | Psychiatric/Mental Health Nurse Practitioner | Modesto, CA | 2023 |
| Lindsey Nielsen, RN | 1770119570 | Registered Nurse | Saint Cloud, WI | 2020 |
| Lindsey Nielsen | 1891354890 | Marriage & Family Therapist | Denver, CO | 2019 |
| Lindsey Nielsen | 1932990298 | Behavior Technician | Nampa, ID | 2025 |
| Lisa Nielsen | 1245047240 | Homemaker | Omaha, NE | 2024 |
| Lisa Nielsen | 1265199871 | Social Worker | Provo, UT | 2021 |
| Lisa Nielsen, CCC SLP | 1295100469 | Speech-Language Pathologist | Fremont, NE | 2015 |
| Lisa Nielsen, MA., CCC-SLP | 1295863793 | Speech-Language Pathologist | Las Cruces, NM | 2007 |
| Lisa Nielsen | 1508133703 | Pharmacist | Centennial, CO | 2011 |
| Lisa Nielsen, M.D. | 1598706970 | Family Medicine Physician | Island Falls, ME | 2006 |
| Lisa Nielsen, PA-C | 1982688669 | Physician Assistant | Peoria, IL | 2005 |
| Liza Nielsen, PTA | 1700318359 | Physical Therapy Assistant | San Antonio, TX | 2017 |
| Logan Nielsen | 1477431997 | Behavior Technician | Tracy, CA | 2025 |
| Lois Nielsen, MD | 1073539839 | Internal Medicine Physician | Towson, MD | 2006 |
| Lori Nielsen | 1174988968 | Social Worker | Stuart, FL | 2015 |
| Lorri Nielsen, APRN | 1881754208 | Critical Care Pediatric Nurse Practitioner | Reno, NV | 2006 |
| Louise Nielsen, NCC, LMHC, RPT-S | 1184909848 | Mental Health Counselor | Beacon, NY | 2011 |
| Lucas Nielsen, MD | 1730930868 | Student in an Organized Health Care Education/Training Program | Charlotte, NC | 2024 |
| Lydia Nielsen | 1558085092 | Mental Health Counselor | Lincoln, NE | 2022 |
| Macie Nielsen | 1134840317 | Student in an Organized Health Care Education/Training Program | Layton, UT | 2022 |
| Madeleine Nielsen | 1942093513 | Behavior Technician | Minneapolis, MN | 2025 |
| Madelene Nielsen, RN | 1801599147 | Registered Nurse | Oceanside, CA | 2023 |
| Madeline Nielsen | 1043023971 | Behavior Technician | Arden Hills, MN | 2025 |
| Madeline Nielsen | 1518688514 | Behavior Technician | Monrovia, CA | 2022 |
| Madeline Nielsen, PT | 1942773551 | Physical Therapist | Lexington, SC | 2019 |
| Madelynn Nielsen | 1538802392 | Behavior Technician | Taylorsville, UT | 2022 |
| Madison Nielsen | 1487453478 | Personal Care Attendant | Omaha, NE | 2025 |
| Magan Nielsen, ANP-BC | 1255692992 | Adult Health Nurse Practitioner | Maywood, IL | 2012 |
| Mahayla Nielsen | 1841051000 | Behavior Technician | Farmington Hills, MI | 2024 |
| Maija Nielsen, PHARMACIST | 1326192089 | Pharmacist | Omaha, NE | 2007 |
| Mandy Nielsen, CMHC | 1134418379 | Mental Health Counselor | Salt Lake City, UT | 2011 |
| Marc Nielsen, DO | 1265601207 | Family Medicine Physician | Susanville, CA | 2008 |
| Marcia Nielsen | 1316117047 | Adult Psychiatric/Mental Health Registered Nurse | Portland, OR | 2008 |
| Marcus Nielsen, PA | 1821311853 | Physician Assistant | Saint Paul, NE | 2010 |
| Maren Nielsen | 1710555065 | Behavior Technician | Taylorsville, UT | 2021 |
| Marena Nielsen | 1639880123 | Personal Care Attendant | Las Vegas, NV | 2022 |
| Margaret Nielsen, OTR/L, CLT | 1861951469 | Physical Rehabilitation Occupational Therapist | Norton, KS | 2019 |
| Margie Nielsen, DNP, FNP-BC | 1124557715 | Family Nurse Practitioner | Beaverton, OR | 2017 |
| Maria Nielsen, BA | 1194040881 | Mental Health Counselor | Vista, CA | 2010 |
| Maria Nielsen, MSW, LIMHP | 1407028160 | Mental Health Counselor | Omaha, NE | 2008 |
| Mariann Nielsen, WHNP-C | 1447580212 | Women's Health Nurse Practitioner | Austin, TX | 2009 |
| Marianne Nielsen, DC | 1437350949 | Chiropractor | Los Gatos, CA | 2007 |
| Marie Nielsen, MS, PA-C | 1396016093 | Physician Assistant | Redlands, CA | 2012 |
| Marie Nielsen | 1497459010 | Behavior Technician | Novi, MI | 2023 |
| Marie Nielsen | 1720600976 | Behavior Analyst | Taylorsville, UT | 2020 |
| Marija Nielsen, FNP | 1184090821 | Family Nurse Practitioner | San Antonio, TX | 2015 |
| Marilyn Nielsen, FNP | 1932645199 | Family Nurse Practitioner | Texarkana, TX | 2017 |
| Marisa Nielsen | 1568091650 | Behavior Technician | Silverdale, WA | 2020 |
| Mark Nielsen, DDS | 1013135581 | Dentist | Pierre, SD | 2007 |
| Mark Nielsen, APRN | 1093273328 | Family Nurse Practitioner | Pinellas Park, FL | 2019 |
| Mark Nielsen, PHARMD, RPH | 1245726496 | Pharmacist | Windham, ME | 2018 |
| Mark Nielsen, MD | 1609830843 | Internal Medicine Physician | Bloomington, MN | 2006 |
| Mark Nielsen, M.D. | 1730152984 | Internal Medicine Physician | North Platte, NE | 2006 |
| Mark Nielsen, MD | 1790873164 | Urology Physician | Jacksonville Beach, FL | 2006 |
| Mark Nielsen, M.D. | 1922056894 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Sioux City, IA | 2006 |
| Mark Nielsen, D.D.S. | 1932290822 | General Practice Dentistry | Elkhorn, NE | 2006 |
| Marni Nielsen | 1154565422 | Counselor | Bremerton, WA | 2009 |
| Marta Nielsen, MSW | 1720138530 | Social Worker | Templeton, CA | 2007 |
| Martha Nielsen | 1700959681 | Registered Nurse | Oregon City, OR | 2006 |
| Martin Nielsen, M.D. | 1760400550 | Pulmonary Disease Physician | Oceanside, CA | 2006 |
| Marvin Nielsen, M.D. | 1386613008 | Aerospace Medicine Physician | Salisbury, MD | 2006 |
| Mary Nielsen, M.D. | 1083761472 | Anatomic Pathology Physician | Wichita, KS | 2007 |
| Mary Nielsen, MSSA, LISW | 1366598542 | Social Worker | Dayton, OH | 2007 |
| Mary Nielsen, DO | 1528325495 | Psychiatry Physician | St Louis Park, MN | 2012 |
| Mary Nielsen, M.D. | 1972645240 | Psychiatry Physician | Clayton, MO | 2007 |
| Masami Nielsen, LMT | 1134637689 | Massage Therapist | Eugene, OR | 2018 |
| Mashhood Nielsen, AUD | 1952017915 | Audiologist | Temple, TX | 2023 |
| Matthew Nielsen, PHARMD. | 1053868471 | Pharmacist | Seward, AK | 2016 |
| Matthew Nielsen, PHARMD | 1144697848 | Pharmacist | Traverse City, MI | 2015 |
| Matthew Nielsen, M.D. | 1205987500 | Urology Physician | Chapel Hill, NC | 2007 |
| Matthew Nielsen, D.D.S. | 1215184528 | Dentist | Hillsboro, OR | 2008 |
| Matthew Nielsen, M.D. | 1235442575 | Surgery Physician | Bemidji, MN | 2010 |
| Matthew Nielsen | 1346317740 | Clinical Psychologist | Nellis Afb, NV | 2006 |
| Matthew Nielsen, D.D.S. | 1356622401 | General Practice Dentistry | Cannon Afb, NM | 2011 |
| Matthew Nielsen, DPM | 1396075743 | Foot & Ankle Surgery Podiatrist | Liberty, MO | 2010 |
| Matthew Nielsen, M.D. | 1598147845 | Family Medicine Physician | Mc Cook, NE | 2015 |
| Matthew Nielsen, MD | 1700129707 | Urology Physician | Kenner, LA | 2013 |
| Maude Nielsen, MD | 1679572283 | Family Medicine Physician | Fort Defiance, AZ | 2005 |
| Maxine Nielsen | 1114726262 | Personal Care Attendant | Norfolk, NE | 2025 |
| McKayla Nielsen | 1245797877 | Behavior Technician | Salt Lake City, UT | 2019 |
| McKel Nielsen | 1063056562 | Occupational Therapist | Ogden, UT | 2019 |
| McKenna Nielsen | 1669253035 | Behavior Technician | Grandville, MI | 2023 |
| McKian Nielsen | 1992477525 | Rehabilitation Practitioner | Camarillo, CA | 2021 |
| Meagan Nielsen, RBT | 1649011321 | Behavior Technician | Slc, UT | 2024 |
| Meg Nielsen, OTD | 1689509325 | Student in an Organized Health Care Education/Training Program | Scottsdale, AZ | 2026 |
| Megan Nielsen, ARNP | 1063836294 | Nurse Practitioner | Rochester, MN | 2014 |
| Megan Nielsen, L.AC. | 1184922866 | Acupuncturist | Berkeley, CA | 2011 |
| Meghan Nielsen, PA-C | 1194569129 | Physician Assistant | Poughkeepsie, NY | 2024 |
| Melanie Nielsen, MSN, RN, PMHNP-BC | 1427570118 | Psychiatric/Mental Health Nurse Practitioner | Kaysville, UT | 2017 |
| Melanie Nielsen | 1497628275 | Behavior Technician | Eagle Mountain, UT | 2025 |
| Melanie Nielsen, OD | 1760008619 | Optometrist | Muskego, WI | 2020 |
| Melanie Nielsen, LMT | 1770350100 | Massage Therapist | Gilbert, AZ | 2023 |
| Melinda Nielsen, PH.D. | 1619127073 | Clinical Psychologist | Redding, CA | 2008 |
| Melissa Nielsen | 1093338493 | Social Worker | Denver, CO | 2020 |
| Melissa Nielsen | 1184588014 | School Psychologist | Medford, OR | 2025 |
| Melissa Nielsen | 1255403424 | Pediatric Physical Therapist | Crystal Lake, IL | 2006 |
| Melissa Nielsen, MD | 1437111291 | Emergency Medicine Physician | Chardon, OH | 2006 |
| Melissa Nielsen | 1588954093 | Clinical Child & Adolescent Psychologist | Draper, UT | 2011 |
| Melissa Nielsen, LMP | 1740556778 | Massage Therapist | Arlington, WA | 2012 |
| Melissa Nielsen | 1740986108 | Clinical Social Worker | Poughkeepsie, NY | 2023 |
| Melodie Nielsen | 1669906400 | Registered Nurse | Norfolk, NE | 2017 |
| Melonie Nielsen, LMP | 1710367172 | Massage Therapist | Vancouver, WA | 2015 |
| Melynda Nielsen | 1588432579 | Community Health Worker | Saint George, UT | 2023 |
| Mia Nielsen, MSW | 1033064084 | Clinical Social Worker | Midvale, UT | 2026 |
| Micah Nielsen, M.D. | 1629234323 | Diagnostic Radiology Physician | Las Vegas, NV | 2008 |
| Michael Nielsen | 1013517366 | Recreational Therapist Assistant | Cleveland, OH | 2020 |
| Michael Nielsen, M.D. | 1104921246 | Orthopaedic Surgery Physician | Sacramento, CA | 2006 |
| Michael Nielsen, LCSW | 1114054467 | Clinical Social Worker | Richmond, VA | 2007 |
| Michael Nielsen, MD | 1255301370 | Emergency Medicine Physician | San Diego, CA | 2006 |
| Michael Nielsen, SLP | 1295189215 | Speech-Language Pathologist | Sun City West, AZ | 2016 |
| Michael Nielsen, M.D. | 1326061920 | Family Medicine Physician | Layton, UT | 2006 |
| Michael Nielsen, M.D. | 1467410548 | Obstetrics & Gynecology Physician | Oregon City, OR | 2006 |
| Michael Nielsen, MHS, PAC | 1578794897 | Physician Assistant | Madison, WI | 2009 |
| Michael Nielsen, PHARM.D | 1659653020 | Pharmacist | Steubenville, OH | 2011 |
| Michael Nielsen, D.C. | 1902882996 | Chiropractor | Cheyenne, WY | 2005 |
| Michael Nielsen, M.S., L.M.F.T. | 1922122969 | Marriage & Family Therapist | Auburn, WA | 2007 |
| Michael Nielsen, D.C. | 1932134715 | Chiropractor | Mc Cook, NE | 2006 |
| Michael Nielsen, DPT | 1942806682 | Orthopedic Physical Therapist | Asheville, NC | 2020 |
| Michael Nielsen, DPM | 1952608077 | Foot & Ankle Surgery Podiatrist | Antioch, CA | 2011 |
| Michele Nielsen, RN | 1083842892 | Registered Nurse | West Linn, OR | 2009 |
| Michele Nielsen, DPT | 1366537219 | Physical Therapist | Virginia Beach, VA | 2006 |
| Michele Nielsen, MA, LLP, LLPC | 1457527020 | Clinical Psychologist | Grand Rapids, MI | 2008 |
| Michele Nielsen, RN | 1598279077 | Psychiatric/Mental Health Registered Nurse | Ceres, CA | 2017 |
| Michelle Nielsen | 1023289642 | Specialist | Dover, NJ | 2008 |
| Michelle Nielsen, MS, BCBA, LBA | 1578832838 | Behavior Analyst | Spokane, WA | 2011 |
| Michelle Nielsen | 1669733481 | Social Worker | Taylorsville, UT | 2012 |
| Mignon Nielsen, CRNA | 1104346360 | Certified Registered Nurse Anesthetist | Orlando, FL | 2017 |
| Mikaela Nielsen | 1437500600 | Rehabilitation Practitioner | Cedar Springs, MI | 2016 |
| Mike Nielsen, RPA | 1992967814 | Radiology Practitioner Assistant | Billings, MT | 2008 |
| Mindy Nielsen | 1033299946 | Advanced Practice Midwife | Carthage, MS | 2006 |
| Mitchell Nielsen, PTA | 1265055420 | Physical Therapy Assistant | Woodbridge, NJ | 2020 |
| Mitchell Nielsen, DC | 1982049516 | Chiropractor | Humboldt, IA | 2013 |
| Molly Nielsen | 1336979434 | Counselor | Warren, OH | 2024 |
| Monty Nielsen, D.C. | 1306025952 | Chiropractor | Atascadero, CA | 2007 |
| Morgan Nielsen | 1649093584 | Registered Nurse | San Antonio, TX | 2024 |
| Morgan Nielsen | 1669246997 | Behavior Technician | Sacramento, CA | 2023 |
| Nadine Nielsen, A.R.N.P. | 1164447934 | Pediatric Nurse Practitioner | Seattle, WA | 2006 |
| Nancy Nielsen | 1043810385 | Registered Nurse | Frisco, TX | 2020 |
| Nancy Nielsen, M.S. CCC-SLP | 1205361631 | Speech-Language Pathologist | Elkhorn, NE | 2017 |
| Nancy Nielsen | 1265859797 | Professional Counselor | Grand Rapids, MI | 2014 |
| Nancy Nielsen, P.T. | 1518996537 | Physical Therapist | Rockville, MD | 2006 |
| Nancy Nielsen, M.D, | 1598975443 | Internal Medicine Physician | Orchard Park, NY | 2007 |
| Naomi Nielsen, NP-C | 1407237217 | Nurse Practitioner | Provo, UT | 2015 |
| Natalia Nielsen | 1508294992 | Behavior Analyst | Bronx, NY | 2013 |
| Natalie Nielsen, PHARMD | 1356687834 | Pharmacist | Columbus, OH | 2013 |
| Natalie Nielsen | 1427356195 | Clinical Social Worker | Slc, UT | 2011 |
| Natalie Nielsen, M.D. | 1679884779 | Orthopaedic Surgery Physician | Watertown, NY | 2010 |
| Natalie Nielsen | 1699224071 | Counselor | St George, UT | 2016 |
| Natalie Nielsen | 1740893544 | Case Manager/Care Coordinator | Provo, UT | 2020 |
| Natalie Nielsen, LCSW | 1790337756 | Clinical Social Worker | Norwalk, CT | 2019 |
| Natasha Nielsen, MSW, MBA | 1518657758 | Counselor | Portland, OR | 2023 |
| Natasha Nielsen | 1861100471 | Registered Nurse | Philadelphia, PA | 2022 |
| Nathan Nielsen | 1013279355 | Counselor | San Francisco, CA | 2012 |
| Nathan Nielsen, DO | 1497041396 | Vascular & Interventional Radiology Physician | Fort Bliss, TX | 2011 |
| Nathan Nielsen, M.D. | 1780869743 | Critical Care Medicine (Internal Medicine) Physician | Albuquerque, NM | 2008 |
| Nathaniel Nielsen, DO | 1427540327 | Family Medicine Physician | Liberty, MO | 2018 |
| Nathaniel Nielsen, OD | 1972178523 | Optometrist | Peoria, AZ | 2021 |
| Newwella Nielsen, LPN | 1831480052 | Home Health Registered Nurse | Babylon, NY | 2011 |
| Nicholas Nielsen | 1023574316 | Physical Therapist | Dakota Dunes, SD | 2019 |
| Nicholas Nielsen, PA-C | 1487326898 | Surgical Physician Assistant | Aurora, CO | 2021 |
| Nicholas Nielsen | 1619574456 | Behavior Analyst | Orem, UT | 2020 |
| Nicole Nielsen | 1073213047 | Clinical Social Worker | Herriman, UT | 2023 |
| Nicole Nielsen | 1154284396 | Personal Care Attendant | Grafton, ND | 2025 |
| Nicole Nielsen, PA | 1174251524 | Physician Assistant | Clyde, NC | 2022 |
| Nicole Nielsen, MA | 1316326044 | School Psychologist | Phoenix, AZ | 2015 |
| Nicole Nielsen | 1346672466 | Social Worker | Houghton Lake, MI | 2013 |
| Nicole Nielsen, DPT | 1447027370 | Pediatric Physical Therapist | Black Diamond, WA | 2023 |
| Nicole Nielsen | 1477332625 | Physical Therapist | Mooresville, NC | 2023 |
| Nicole Nielsen, ARNP | 1588120232 | Nurse Practitioner | Cedar Falls, IA | 2019 |
| Nicole Nielsen | 1598300626 | Physical Therapist | Laurel, MS | 2019 |
| Nicole Nielsen, PHARM.D. | 1629477922 | Ambulatory Care Pharmacist | Omaha, NE | 2014 |
| Nicole Nielsen, RDH | 1770818585 | Dental Hygienist | Grand Junction, CO | 2009 |
| Nicole Nielsen, PA-C | 1831862309 | Physician Assistant | West Jordan, UT | 2021 |
| Niels Nielsen, LISW | 1013040963 | Social Worker | Willoughby, OH | 2007 |
| Niels Nielsen, MD | 1497969893 | Psychiatry Physician | Seattle, WA | 2007 |
| Nikolina Nielsen, DMD | 1992031512 | General Practice Dentistry | Sumner, WA | 2009 |
| Nina Nielsen | 1912566688 | Behavior Technician | Northbrook, IL | 2019 |
| Noah Nielsen | 1003771080 | Behavior Technician | Farmington Hills, MI | 2025 |
| Noelle Nielsen | 1790789352 | Obstetrics & Gynecology Physician | Glens Falls, NY | 2005 |
| Nolan Nielsen, MD | 1366079634 | Pediatrics Physician | Miami, FL | 2020 |
| Nora Nielsen, DDS | 1215058730 | General Practice Dentistry | Sonoma, CA | 2007 |
| Olga Nielsen, APRN | 1205460540 | Nurse Practitioner | Sarasota, FL | 2020 |
| Olivia Nielsen | 1962200980 | Behavior Technician | Orem, UT | 2025 |
| Paige Nielsen, OD | 1497030548 | Optometrist | Mc Cook, NE | 2011 |
| Paige Nielsen | 1689196800 | School Psychologist | Salem, VA | 2017 |
| Pamela Nielsen, D.D.S | 1124118245 | Periodontics | Miami, FL | 2006 |
| Pamela Nielsen | 1265792667 | Case Manager/Care Coordinator | Wichita, KS | 2012 |
| Pamela Nielsen, PA-C | 1417384637 | Surgical Physician Assistant | Salt Lake City, UT | 2013 |
| Pamela Nielsen, R.D.H. | 1447657390 | Dental Hygienist | Wausau, WI | 2014 |
| Pamela Nielsen, LPC | 1689722050 | Mental Health Counselor | Glassboro, NJ | 2007 |
| Patricia Nielsen | 1235702556 | Behavior Technician | Cottonwood Heights, UT | 2021 |
| Patricia Nielsen | 1285964270 | Addiction (Substance Use Disorder) Counselor | Inglewood, CA | 2010 |
| Patricia Nielsen | 1508491416 | Technician | Sandusky, MI | 2020 |
| Patricia Nielsen, NP | 1588692255 | Nurse Practitioner | Wilmington, NC | 2006 |
| Patricia Nielsen, NP | 1649463811 | Family Nurse Practitioner | Olympia Fields, IL | 2007 |
| Patricia Nielsen, NP | 1811957103 | Nurse Practitioner | Winston Salem, NC | 2006 |
| Patrick Nielsen, DPT | 1386011807 | Physical Therapist | Chicago, IL | 2015 |
| Paul Nielsen, M.D. | 1023306289 | Orthopaedic Surgery Physician | Kearney, NE | 2011 |
| Paul Nielsen, D.D.S | 1275674004 | General Practice Dentistry | Provo, UT | 2007 |
| Paul Nielsen, DO | 1457313025 | Emergency Medicine Physician | Grafton, WV | 2006 |
| Paul Nielsen, DDS | 1588853212 | Dentist | Middletown, CA | 2007 |
| Paul Nielsen, PT | 1851302335 | Physical Therapist | Burnsville, MN | 2006 |
| Paul Nielsen, MD, MS | 1912187071 | Family Medicine Physician | Wooster, OH | 2007 |
| Paul Nielsen, D.D.S. | 1952304750 | General Practice Dentistry | Helena, MT | 2005 |
| Peter Nielsen, MD | 1073552519 | Gastroenterology Physician | Salt Lake City, UT | 2006 |
| Peter Nielsen | 1275462947 | Driver | Saint Paul, MN | 2026 |
| Philippa Nielsen, LMHC | 1639609563 | Mental Health Counselor | Beverly, MA | 2017 |
| Porshai Nielsen | 1750176962 | Social Worker | Salt Lake City, UT | 2025 |
| Preston Nielsen, RN | 1982561734 | General Practice Registered Nurse | Washington, UT | 2026 |
| R. Nielsen, D.M.D | 1619030095 | Endodontics | Salt Lake City, UT | 2006 |
| Rachael Nielsen, APRN | 1386043453 | Acute Care Nurse Practitioner | Fremont, NE | 2014 |
| Rachel Nielsen, PSYD | 1124263835 | Clinical Psychologist | Wheat Ridge, CO | 2008 |
| Rachel Nielsen, RN | 1316684772 | Home Health Registered Nurse | Grand Junction, CO | 2022 |
| Rachel Nielsen | 1437379203 | Mental Health Counselor | Ogden, UT | 2007 |
| Rachel Nielsen, LMSW | 1467852582 | Clinical Social Worker | Saint Clair Shores, MI | 2014 |
| Rachel Nielsen, PHARM D | 1588947824 | Pharmacist | San Angelo, TX | 2011 |
| Rachel Nielsen, PT, DPT | 1609290204 | Physical Therapist | Euless, TX | 2014 |
| Rachel Nielsen | 1700708724 | Marriage & Family Therapist | Oakland, CA | 2026 |
| Rachel Nielsen, DPT | 1790267391 | Physical Therapist | Salem, OR | 2018 |
| Rachel Nielsen, LCSW | 1821581000 | Clinical Social Worker | Cody, WY | 2018 |
| Rachel Nielsen | 1922615244 | Mental Health Counselor | San Jose, CA | 2020 |
| Rachelle Nielsen | 1457016214 | Pediatric Occupational Therapist | Indianapolis, IN | 2021 |
| Raisa Nielsen | 1700700283 | Mental Health Counselor | San Jose, CA | 2026 |
| Randi Nielsen, APRN | 1437530656 | Nurse Practitioner | Hermiston, OR | 2015 |
| Raven Nielsen, LMT | 1609702968 | Massage Therapist | Dayton, OH | 2026 |
| Rebecca Nielsen | 1164566188 | Neonatal/Pediatric Registered Respiratory Therapist | Roseville, MN | 2007 |
| Rebecca Nielsen, M.S.ED. | 1497052138 | Professional Counselor | Virginia Beach, VA | 2011 |
| Rebecca Nielsen | 1528517703 | Driver | Orem, UT | 2016 |
| Rebecca Nielsen, PA-C | 1548595838 | Physician Assistant | Golden, CO | 2009 |
| Rebecca Nielsen, LCPC | 1609915396 | Professional Counselor | Great Falls, MT | 2007 |
| Rebecca Nielsen, MS CCC-SLP | 1700367430 | Speech-Language Pathologist | Cedar Rapids, IA | 2018 |
| Rebecca Nielsen, NP | 1912515586 | Nurse Practitioner | Grand Rapids, MI | 2020 |
| Rebecca Nielsen, OT | 1922163666 | Occupational Therapist | Seattle, WA | 2006 |
| Rebecca-Ann Nielsen, RN | 1073226197 | Registered Nurse | Queen Creek, AZ | 2023 |
| Rebekah Nielsen | 1841165735 | Clinical Social Worker | Normal, IL | 2025 |
| Reuben Nielsen, PHARMD | 1063661593 | Pharmacist | Murray, UT | 2008 |
| Rhonda Nielsen, D.D.S. | 1386672673 | General Practice Dentistry | Port Lavaca, TX | 2006 |
| Richard Nielsen, AU.D. | 1164071205 | Audiologist | Arlington, WA | 2019 |
| Richard Nielsen, PT, DHSC, ECS | 1376716787 | Physical Therapist | American Fork, UT | 2008 |
| Richard Nielsen | 1417955113 | Podiatrist | Susanville, CA | 2005 |
| Richard Nielsen | 1538106125 | Family Medicine Physician | Melbourne, FL | 2006 |
| Richard Nielsen, M.D. | 1619207941 | Nephrology Physician | Fort Wayne, IN | 2010 |
| Richard Nielsen | 1669770061 | Clinical Social Worker | Detroit, MI | 2011 |
| Richard Nielsen, M.D. | 1831113273 | Internal Medicine Physician | Benzonia, MI | 2006 |
| Riley Nielsen | 1184563900 | Behavior Technician | Portland, OR | 2026 |
| Risa Nielsen, MD | 1083621742 | Internal Medicine Physician | St Croix, VI | 2006 |
| Riza Nielsen, NP | 1174956064 | Nurse Practitioner | Torrance, CA | 2013 |
| Robert Nielsen, D.C. | 1316017965 | Chiropractor | Anchorage, AK | 2006 |
| Robert Nielsen, M.D. | 1326069832 | Gastroenterology Physician | Salt Lake City, UT | 2006 |
| Robert Nielsen, DO | 1407835085 | General Practice Physician | Osage Beach, MO | 2006 |
| Robert Nielsen, ED.D. - LPCC | 1437416609 | Professional Counselor | Fargo, ND | 2012 |
| Robert Nielsen, M.D. | 1770587396 | Family Medicine Physician | Annville, PA | 2005 |
| Robert Nielsen, MSW | 1902279334 | Behavior Technician | Farmington Hills, MI | 2015 |
| Robert Nielsen, MD | 1932307204 | Pediatrics Physician | Ogden, UT | 2007 |
| Robin Nielsen, CDP | 1033480579 | Addiction (Substance Use Disorder) Counselor | Suquamish, WA | 2012 |
| Robin Nielsen | 1568175842 | Pharmacy Technician | Everett, WA | 2023 |
| Robin Nielsen, APRN | 1750069209 | Family Nurse Practitioner | Eustis, FL | 2023 |
| Ronald Nielsen | 1760704563 | Mental Health Counselor | Santa Barbara, CA | 2010 |
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).