Providers Mark Niemiera, MD to Susan Nierenberg, NP
300 individual NPIs in the federal registry, part 15,827 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. 105 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Mark Niemiera, MD | 1780788109 | Cardiovascular Disease Physician | Perth Amboy, NJ | 2006 |
| Matthew Niemiera, D.M.D. | 1447341656 | General Practice Dentistry | Perth Amboy, NJ | 2006 |
| Matthew Niemiera | 1720023336 | Physical Therapist | Denton, TX | 2006 |
| Ewa Niemierko, M.D. | 1447233549 | Hematology & Oncology Physician | Concord, MA | 2005 |
| Todd Niemietz, RD | 1679316145 | Registered Dietitian | Saint Louis, MO | 2024 |
| Brandy Niemiller, LISW-S | 1588140420 | Clinical Social Worker | Mason, OH | 2018 |
| Megan Niemiller | 1295450716 | Student in an Organized Health Care Education/Training Program | Rock Island, IL | 2022 |
| Amy Nieminen, RN | 1629847975 | Home Health Registered Nurse | Reno, NV | 2023 |
| Sarah Nieminen | 1417216532 | Social Worker | Fort Pierce, FL | 2012 |
| Sonia Nieminen, LPC | 1578759551 | Mental Health Counselor | Danielson, CT | 2007 |
| Steven Nieminen | 1518663236 | Clinical Social Worker | Palm Coast, FL | 2023 |
| Tilda Nieminen | 1679267389 | Student in an Organized Health Care Education/Training Program | Dallas, TX | 2023 |
| Torsten Nieminen | 1508696410 | Physician Assistant | Milwaukee, WI | 2024 |
| William Nieminen | 1417579228 | Counselor | Murray, UT | 2020 |
| Saara Nieminen-Cisneros, DMD | 1881716793 | General Practice Dentistry | Keansburg, NJ | 2007 |
| David Nieminski | 1215891627 | Behavior Analyst | Wildomar, CA | 2025 |
| Karen Nieminski, FNP | 1396764114 | Family Nurse Practitioner | Montrose, NY | 2006 |
| Meghan Nieminski | 1285449017 | Community Health Registered Nurse | Clifton Park, NY | 2025 |
| Gretchen Niemioja, M.D. | 1376707836 | Physical Medicine & Rehabilitation Physician | Saint Paul, MN | 2008 |
| Denise Niemira, M.D. | 1871688499 | Family Medicine Physician | Newport, VT | 2006 |
| Eva Niemira | 1306793666 | Social Worker | Branchburg, NJ | 2026 |
| Jan Niemira, LCSW | 1346337425 | Clinical Social Worker | New York, NY | 2006 |
| Michelle Niemira, M.S. CF-SLP, TSSLD | 1568354702 | Specialist | Seaford, NY | 2025 |
| Rachael Niemira, M.A. CF-SLP | 1265877393 | Speech-Language Pathologist | Erie, PA | 2013 |
| George Niemirowski, MD | 1992824890 | Occupational Medicine Physician | Arlington, TX | 2007 |
| Michelle Niemiste | 1003359779 | Social Worker | Fargo, ND | 2016 |
| Dana Niemisto | 1871057315 | Addiction (Substance Use Disorder) Counselor | Negaunee, MI | 2019 |
| Heather Niemisto | 1760904189 | Addiction (Substance Use Disorder) Counselor | Negaunee, MI | 2017 |
| Jeanette Niemisto, MD | 1366463713 | Psychiatry Physician | Canton, MI | 2006 |
| Lisa Niemisto, LMSW | 1467873323 | Clinical Social Worker | Marquette, MI | 2013 |
| Mary Niemisto, MSW | 1295078384 | Clinical Social Worker | Maple City, MI | 2013 |
| Grace Niemitalo, MSW, LCSW | 1083206429 | Clinical Social Worker | Casper, WY | 2021 |
| Kerri Niemitalo, MS, SLP | 1003795972 | Speech-Language Pathologist | Alamosa, CO | 2025 |
| Trisha Niemitalo, FNP | 1831520204 | Family Nurse Practitioner | New York, NY | 2013 |
| Bruno Niemitz, LCSW, LMFT | 1992882351 | Clinical Social Worker | Raleigh, NC | 2006 |
| Susan Niemitz, LCSW | 1912122367 | Clinical Social Worker | Hartford, CT | 2007 |
| Jocelyn Niemkiewicz, PA-C | 1487038865 | Medical Physician Assistant | Westminster, MD | 2015 |
| Nicole Niemkiewicz, L.AC. | 1669820809 | Acupuncturist | Cliffside Park, NJ | 2016 |
| Cheryliene Niemo | 1942416540 | Clinical Social Worker | McHenry, IL | 2007 |
| Heather Niemoeller | 1295695054 | Student in an Organized Health Care Education/Training Program | New York, NY | 2025 |
| Jordan Niemoeller | 1699135202 | Mental Health Counselor | Santa Cruz, CA | 2016 |
| Kim Niemoeller, DMD | 1699816991 | Dentist | Oxford, PA | 2007 |
| Paul Niemoeller, LPC | 1164557468 | Professional Counselor | Saint Louis, MO | 2007 |
| Stephen Niemoeller, DMD | 1396874350 | Dentist | Newark, DE | 2007 |
| Ulrich Niemoller, M.D. | 1730297003 | Internal Medicine Physician | Abington, PA | 2006 |
| Yolanda Niemoller-Vanderburg, PT | 1720533896 | Physical Therapist | Fairlawn, OH | 2016 |
| Melody Niemoth, MT-BC | 1487399150 | Music Therapist | Fort Wayne, IN | 2022 |
| Mikayla Niemoth | 1275216582 | Speech-Language Pathologist | Rapid City, SD | 2023 |
| Tammy Niemoth | 1780565853 | Family Nurse Practitioner | North Platte, NE | 2025 |
| Jane Niemtschk | 1932753894 | Pharmacist | Irving, TX | 2019 |
| Jill Niemtschk, LPC | 1598477101 | Addiction (Substance Use Disorder) Counselor | Manchaca, TX | 2022 |
| Claudia Niemtzoff, LPC | 1831297993 | Professional Counselor | Falls Church, VA | 2006 |
| Mariana Niemtzoff, MD | 1285608190 | Psychiatry Physician | Arlington, VA | 2006 |
| Patricia Niemtzow, M.S. CCC-SLP | 1427172931 | Speech-Language Pathologist | Merion Station, PA | 2007 |
| Adam Niemuth, D.O. | 1992192066 | Pediatrics Physician | Brooklyn, NY | 2015 |
| Anna Niemuth, LAT | 1801465109 | Athletic Trainer | Milwaukee, WI | 2021 |
| Carole Niemuth, MSN-RN | 1659122935 | Psychiatric/Mental Health Registered Nurse | Tacoma, WA | 2024 |
| Elizabeth Niemuth, PT | 1588979082 | Physical Therapist | Burnsville, MN | 2010 |
| Hunter Niemuth | 1134040470 | Behavior Technician | San Antonio, TX | 2026 |
| Joanne Niemuth, COTA | 1316191877 | Occupational Therapy Assistant | Clintonville, WI | 2008 |
| Jon Niemuth | 1801578000 | Mental Health Counselor | Kansas City, MO | 2023 |
| Karin Niemuth, LCSW, SAC | 1659160992 | Clinical Social Worker | Kenosha, WI | 2025 |
| Kendra Niemuth, RN BSN | 1407384241 | Nurse Practitioner | Seymour, WI | 2017 |
| Maria Niemuth, DO | 1538546668 | Family Medicine Physician | Salem, OR | 2015 |
| Molly Niemuth, BSN, RN, CCRN | 1518699537 | Registered Nurse | Oakland, CA | 2022 |
| Patricia Niemuth, PT | 1063598878 | Physical Therapist | Stillwater, MN | 2006 |
| Paul Niemuth, PT,DSC,OCS,SCS,ATC | 1083681407 | Physical Therapist | Spooner, WI | 2006 |
| Alexandra Niemyer | 1063395259 | Behavior Technician | Colorado Springs, CO | 2025 |
| Carissa Niemyer, CD(DONA) | 1629308929 | Doula | Colorado Springs, CO | 2010 |
| Eric Niemyer, DPT | 1699341354 | Physical Therapist | Vadnais Heights, MN | 2021 |
| Heather Niemyer | 1588532519 | Registered Nurse | Phoenix, AZ | 2025 |
| Joselin Niemyer, MD | 1295091924 | Pediatric Emergency Medicine (Pediatrics) Physician | Little Rock, AR | 2012 |
| Judith Niemyer, M.D. | 1215259049 | Internal Medicine Physician | Arlington, VA | 2010 |
| Kristin Niemyer, NP | 1457947640 | Acute Care Nurse Practitioner | Laurinburg, NC | 2020 |
| Lainie Niemyer, DPT | 1801636295 | Physical Therapist | Minneapolis, MN | 2024 |
| Nicholas Niemyer, RN | 1013354489 | Critical Care Neonatal Nurse Practitioner | Queen Creek, AZ | 2013 |
| Jillian Niemyjski, LPC | 1538650031 | Professional Counselor | La Crosse, WI | 2018 |
| Shallin Niemyjski, PTA | 1053054692 | Physical Therapy Assistant | Lake Geneva, WI | 2022 |
| Stephanie Niemyjski, RN | 1881220218 | Home Health Registered Nurse | Scottsdale, AZ | 2020 |
| David Niemynski, MS, CGC | 1891506895 | Genetic Counselor (M.S.) | Hawthorne, NY | 2025 |
| Kristina Niemynski, DC | 1295721025 | Chiropractor | Mattituck, NY | 2005 |
| Tori Niemynski, MD | 1417223322 | Pediatrics Physician | Aurora, CO | 2012 |
| Katherine Niemyski | 1124982038 | Family Nurse Practitioner | Norridge, IL | 2025 |
| Michael Niemzak, D.M.D. | 1073725412 | Dentist | Gadsden, AL | 2007 |
| Haiyun Niemzyk | 1649841750 | Certified Registered Nurse Anesthetist | Raleigh, NC | 2021 |
| Joelle Niemzyk | 1760173231 | Speech-Language Assistant | Merrillville, IN | 2023 |
| Hannah Nien, M.D. | 1417183203 | Diagnostic Radiology Physician | Torrance, CA | 2009 |
| Jessica Nien, D.D.S. | 1659375988 | General Practice Dentistry | Milpitas, CA | 2005 |
| Yih-Dar Nien, MD | 1164636262 | Surgery Physician | Encino, CA | 2007 |
| Yih-Lin Nien, M.D. | 1821204314 | Neurology Physician | Torrance, CA | 2007 |
| Abdelhameed Nienaa, MD | 1770386476 | Student in an Organized Health Care Education/Training Program | Derby, CT | 2025 |
| Ammy Nienaber, LPCC | 1255878195 | Mental Health Counselor | Centerville, OH | 2017 |
| Brent Nienaber, CNIM | 1053585174 | Electroneurodiagnostic Specialist/Technologist | Denver, CO | 2008 |
| Brett Nienaber, MD | 1710961776 | Family Medicine Physician | Pequot Lakes, MN | 2005 |
| Brianna Nienaber, NP-C | 1811544596 | Family Nurse Practitioner | Brooklyn Park, MN | 2019 |
| Cameron Nienaber, M.D. | 1366763609 | Family Medicine Physician | Jamaica, NY | 2010 |
| Carole Nienaber | 1598701492 | Psychologist | Minneapolis, MN | 2006 |
| Dana Nienaber | 1174952386 | Physical Therapy Assistant | Saint Louis Park, MN | 2013 |
| Elijah Nienaber | 1639867542 | Student in an Organized Health Care Education/Training Program | Torrance, CA | 2023 |
| Emma Nienaber | 1295285948 | Physical Therapist | West Fargo, ND | 2016 |
| Emma Nienaber | 1932611563 | Case Manager/Care Coordinator | Cincinnati, OH | 2017 |
| Jacqueline Nienaber, LMHC | 1255986626 | Counselor | Redmond, WA | 2019 |
| Jeanette Nienaber, PA | 1134558984 | Physician Assistant | Seward, AK | 2013 |
| Jeffrey Nienaber, M.D. | 1891994323 | Vascular Surgery Physician | Asheville, NC | 2007 |
| Jenna Nienaber, PT | 1023406345 | Physical Therapist | Tallahassee, FL | 2015 |
| Jennifer Nienaber, D.C. | 1184709131 | Chiropractor | Sherwood, OR | 2006 |
| Joan Nienaber, OTR/L | 1316503881 | Occupational Therapist | Parsippany, NJ | 2019 |
| Ju Hsien Nienaber, M.D. | 1073780987 | Infectious Disease Physician | Asheville, NC | 2008 |
| Kendra Nienaber, FNP-BC | 1104777465 | Family Nurse Practitioner | Newburgh, IN | 2026 |
| Kirk Nienaber, M.D. | 1932172103 | Hospitalist Physician | Florence, KY | 2006 |
| Kristie Nienaber, PLPC | 1659881191 | Mental Health Counselor | Saint Charles, MO | 2017 |
| Marcia Nienaber, MSW | 1649226861 | Social Worker | Fort Thomas, KY | 2006 |
| Margarethe Nienaber, OTR | 1447373774 | Occupational Therapist | Snellville, GA | 2007 |
| Mark Nienaber, LCSW | 1033410899 | Clinical Social Worker | Baton Rouge, LA | 2010 |
| Matthew Nienaber, D.O. | 1033535182 | Internal Medicine Physician | Santa Monica, CA | 2014 |
| Maverick Nienaber | 1578355657 | Behavior Technician | Bellingham, WA | 2025 |
| Melannie Nienaber, LCSW | 1447492566 | Clinical Social Worker | Billings, MT | 2009 |
| Paul Nienaber, OD | 1790715787 | Optometrist | Rural Hall, NC | 2006 |
| Rachel Nienaber, PSYD | 1437701125 | Clinical Psychologist | Fort Thomas, KY | 2019 |
| Rachel Nienaber | 1538981113 | Student in an Organized Health Care Education/Training Program | Cincinnati, OH | 2024 |
| Rachel Nienaber, PA | 1982000949 | Physician Assistant | Summerville, SC | 2014 |
| Ryan Nienaber, DC | 1467523811 | Chiropractor | Wilsonville, OR | 2006 |
| Sandra Nienaber | 1104015742 | Family Nurse Practitioner | Rockford, IL | 2007 |
| Susan Nienaber, LMFT | 1639946296 | Marriage & Family Therapist | New Brighton, MN | 2023 |
| Thomas Nienaber, MBBS | 1164885125 | Neonatal-Perinatal Medicine Physician | Cincinnati, OH | 2016 |
| William Nienaber, MD | 1720296940 | Cardiovascular Disease Physician | Cape Girardeau, MO | 2007 |
| Marvin Nienaltow, M.D. | 1164629143 | Psychiatry Physician | New York, NY | 2007 |
| Tess Nienaltow, MD | 1821882291 | Student in an Organized Health Care Education/Training Program | Bronx, NY | 2025 |
| Julianne Nienas, OT | 1386996346 | Occupational Therapist | Yorba Linda, CA | 2012 |
| Erika Nienberg | 1528740792 | Home Health Aide | Ottoville, OH | 2023 |
| Matthew Nienberg, PA | 1063661189 | Physician Assistant | Fremont, OH | 2008 |
| Megan Nienberg, PT | 1982834560 | Physical Therapist | Tiffin, OH | 2009 |
| Robyn Nienberg, OTR/L | 1952633968 | Occupational Therapist | Chicago, IL | 2010 |
| Samantha Nienberg, APRN-CNP | 1912503541 | Family Nurse Practitioner | Findlay, OH | 2020 |
| Rhonda Nienburg | 1306092416 | Optician | Portland, OR | 2008 |
| Sarah Nienburg, PA | 1194080572 | Physician Assistant | Buffalo, NY | 2012 |
| Sophie Nienburg | 1407130586 | Behavior Analyst | New York, NY | 2011 |
| Tara Niendam, PHD | 1215180427 | Clinical Psychologist | Sacramento, CA | 2008 |
| Brantley Niendick, OTRL | 1194230136 | Occupational Therapist | Independence, MO | 2017 |
| Caitlin Niendick | 1417796772 | Marriage & Family Therapist | Westwood, KS | 2024 |
| Christopher Niendorf, PHARMD | 1740001130 | Pharmacist | Cass Lake, MN | 2024 |
| Dana Niendorf, MD | 1588674147 | Urology Physician | Petaluma, CA | 2006 |
| Eric Niendorf, MD | 1780685404 | Diagnostic Radiology Physician | Eau Claire, WI | 2005 |
| Kristin Niendorf, MS, CGC | 1629093471 | Genetic Counselor (M.S.) | Robbinsdale, MN | 2006 |
| Michele Niendorf, RDN | 1124829841 | Registered Dietitian | Gainesville, FL | 2025 |
| Cynthia Niendorff, MD | 1154374049 | Anesthesiology Physician | Cleveland, TN | 2006 |
| Daniel Niendorff, M.D. | 1700968732 | Critical Care Medicine (Internal Medicine) Physician | Oak Ridge, TN | 2006 |
| Amanda Nienhaus, PA | 1699217273 | Physician Assistant | Grand Rapids, MI | 2016 |
| Amy Nienhaus | 1013270107 | Specialist | Amherst, NY | 2012 |
| Jennifer Nienhaus, PHARMD | 1780955807 | Pharmacist | Muscatine, IA | 2012 |
| Kaitlyn Nienhaus | 1265278725 | Professional Counselor | Saint Louis, MO | 2024 |
| Kathryn Nienhaus, D.C. | 1053856146 | Chiropractor | Saint Louis, MO | 2016 |
| Natalie Nienhaus | 1710697792 | Pharmacist | San Antonio, TX | 2022 |
| Shauna Nienhaus, OTR | 1780735399 | Occupational Therapist | Newport News, VA | 2007 |
| Sheryl Nienhaus, LPC | 1376687566 | Professional Counselor | Bloomfield Hills, MI | 2007 |
| Tom Nienhaus, PHARMD | 1255612420 | Pharmacist | Festus, MO | 2011 |
| Jonathan Nienhouse, FNP | 1841388402 | Family Nurse Practitioner | Boulder, CO | 2006 |
| Vanessa Nienhouse, M.D. | 1225561335 | Obstetrics & Gynecology Physician | Rockford, IL | 2017 |
| Hayley Nienhueser, PHARMD | 1881373272 | Pharmacist | Omaha, NE | 2023 |
| Timothy Nienhueser, RN | 1326969627 | Critical Care Medicine Registered Nurse | Anchorage, AK | 2026 |
| Alexandra Nienhuis, ARNP | 1194156117 | Pediatric Nurse Practitioner | Seattle, WA | 2013 |
| Amy Nienhuis, LISW-CP, MSW | 1154554012 | Clinical Social Worker | West Columbia, SC | 2009 |
| Andrew Nienhuis, MD | 1588415830 | Pediatrics Physician | Columbia, SC | 2024 |
| Ann Nienhuis, FNP-BC | 1093144123 | Family Nurse Practitioner | Shelby, MI | 2013 |
| Bethany Nienhuis, PT | 1790934180 | Physical Therapist | Golden Valley, MN | 2008 |
| Cierra Nienhuis | 1902613896 | Mental Health Counselor | Lancaster, PA | 2024 |
| David Nienhuis, M.D. | 1396719787 | Otolaryngology Physician | Waukesha, WI | 2006 |
| Elizabeth Nienhuis | 1780185496 | Health Educator | Detroit, MI | 2018 |
| Gale Nienhuis, LCSW | 1104043181 | Clinical Social Worker | Crete, IL | 2007 |
| Heidi Nienhuis | 1134543325 | Clinical Social Worker | Holland, MI | 2014 |
| Jacob Nienhuis, PH.D. | 1982193256 | Counseling Psychologist | Ann Arbor, MI | 2018 |
| Jenna Nienhuis | 1245502301 | Social Worker | Ann Arbor, MI | 2012 |
| Joyce Nienhuis | 1871723999 | Occupational Therapist | Harper Woods, MI | 2009 |
| Kate Nienhuis, MSCCC-SLP | 1982884417 | Speech-Language Pathologist | Sheboygan, WI | 2007 |
| Leonard Nienhuis, DC | 1437133865 | Chiropractor | Jenison, MI | 2005 |
| Mark Nienhuis, P.A. | 1417987868 | Physician Assistant | Cuba, NM | 2006 |
| Megan Nienhuis, LMSW | 1891240925 | Social Worker | Port Huron, MI | 2016 |
| Melissa Nienhuis, LAT, ATC | 1093335416 | Athletic Trainer | Cole Camp, MO | 2020 |
| Michael Nienhuis, M.D. | 1659302537 | Family Medicine Physician | Asheville, NC | 2006 |
| Molly Nienhuis, PT | 1932692225 | Physical Therapist | Salem, OR | 2018 |
| Phillip Nienhuis, LMSW | 1205976784 | Clinical Social Worker | Hudsonville, MI | 2007 |
| Shari Nienhuis | 1184349011 | Registered Nurse | Wyoming, MI | 2022 |
| Angelyn Nienhuser, PLMHP | 1043654866 | Mental Health Counselor | Sidney, NE | 2013 |
| Jaclyn Nienhuser | 1275229254 | Student in an Organized Health Care Education/Training Program | Waco, TX | 2023 |
| Kendall Nienhuser, LPN | 1720461569 | Licensed Practical Nurse | Trenton, MO | 2015 |
| Michelle Nienkamp, ATR | 1477649291 | Art Therapist | Newton, KS | 2006 |
| Erin Nienke, APRN | 1497485908 | Family Nurse Practitioner | Saint Petersburg, FL | 2022 |
| Samantha Nienke | 1831986876 | Personal Care Attendant | Charleston, WV | 2025 |
| Thomas Nienke, DO | 1194976860 | Orthopaedic Surgery of the Spine Physician | St Petersburg, FL | 2008 |
| Emily Nienkerk | 1831707637 | Addiction (Substance Use Disorder) Counselor | Mankato, MN | 2020 |
| Alexcee Nienow | 1619719259 | Nurse Practitioner | Roseville, MN | 2024 |
| Caitlyn Nienow, RD, LD | 1083142244 | Registered Dietitian | Rochester, MN | 2017 |
| Cherie Nienow, RN, CNP | 1003012667 | Nurse Practitioner | Roseville, MN | 2007 |
| Jacob Nienow, DPT | 1073054995 | Physical Therapist | Mankato, MN | 2017 |
| James Nienow, P.T. | 1659547420 | Physical Therapist | Circle Pines, MN | 2008 |
| John Nienow, MD | 1861472649 | Infectious Disease Physician | San Francisco, CA | 2006 |
| Matthew Nienow | 1255118899 | Mental Health Counselor | Port Angeles, WA | 2023 |
| Michael Nienow, DPT, PT | 1730848433 | Physical Therapist | Wasilla, AK | 2021 |
| Shalon Nienow, MD | 1255592465 | Child Abuse Pediatrics Physician | San Diego, CA | 2008 |
| Stephanie Nienow | 1306637954 | Behavior Technician | Warren, MI | 2025 |
| Tasha Nienow, PH.D. | 1518095843 | Clinical Psychologist | Minneapolis, MN | 2007 |
| Anne Nienstedt, M.D. | 1225365950 | Family Medicine Physician | Wading River, NY | 2009 |
| Christian Nienstedt | 1205793379 | Student in an Organized Health Care Education/Training Program | Fresno, CA | 2026 |
| Ciera Nienstedt | 1942067095 | Behavior Technician | Fresno, CA | 2024 |
| Donna Nienstedt, OTR | 1235386368 | Occupational Therapist | Raleigh, NC | 2008 |
| Ivette Nienstedt | 1427225697 | Occupational Therapist | Shavano Park, TX | 2008 |
| Joseph Nienstedt, LCSWA | 1972388478 | Clinical Social Worker | Winston Salem, NC | 2023 |
| Thomas Nienstedt, DC | 1568668788 | Chiropractor | Surprise, AZ | 2007 |
| Aimee Nienstedt Dickson, LCSW, LCSW, PMH-C | 1679099618 | Clinical Social Worker | Jefferson City, MO | 2017 |
| Almoustapha Nientao | 1760860092 | Physician Assistant | New York, NY | 2015 |
| Erin Nientimp, LCSW | 1639204118 | Clinical Social Worker | Fall River, MA | 2007 |
| Luke Nientimp, DO | 1154959237 | Internal Medicine Physician | Erie, PA | 2020 |
| Brittany Nienu | 1497257992 | Behavior Technician | Emeryville, CA | 2018 |
| Joseph Nienu | 1831800382 | Case Manager/Care Coordinator | Washington, DC | 2022 |
| Laurel Niep, MSW, SWP | 1184008336 | Clinical Social Worker | Aurora, CO | 2015 |
| Maria Niepagen, FNP | 1447718978 | Family Nurse Practitioner | Bishop, CA | 2019 |
| Mindy Niepielko, PAC | 1821277625 | Physician Assistant | Fort Pierce, FL | 2007 |
| Paige Niepoetter, FNP | 1235015603 | Family Nurse Practitioner | Mount Vernon, IL | 2025 |
| Stephanie Niepokoj- Dunn, MSN, FNP-C | 1447629902 | Family Nurse Practitioner | Phoenix, AZ | 2015 |
| Tiffany Niepokuj, LLPC | 1134590268 | Counselor | Farmington Hills, MI | 2015 |
| Mary Katherine Nieponski, MA, LPC, NCC | 1720242993 | Professional Counselor | Frankfort, IL | 2008 |
| Cosette Nieporent, M.D. | 1306902309 | Diagnostic Radiology Physician | Kensington, MD | 2006 |
| Cristina Nieport | 1447721899 | Mental Health Counselor | Dayton, OH | 2018 |
| Amy Nieporte | 1225437874 | Speech-Language Pathologist | Canton, OH | 2014 |
| Kurt Niepraschk, DDS | 1669676144 | Orthodontics and Dentofacial Orthopedics Dentistry | Littleton, CO | 2007 |
| Markus Niepraschk, DDS, MS | 1568638773 | Orthodontics and Dentofacial Orthopedics Dentistry | Charlottesville, VA | 2008 |
| Olivia Niepsuj, PA-C | 1245887256 | Physician Assistant | Lake Forest, IL | 2019 |
| Dan Niequist, D.C. | 1366444077 | Thermography Chiropractor | Algonquin, IL | 2005 |
| Dennis Niequist, DC | 1255449930 | Chiropractor | Algonquin, IL | 2006 |
| Angela Nier, OTR/L | 1366977332 | Occupational Therapist | Johnson City, TN | 2017 |
| Chase Nier, D-PT | 1306463716 | Physical Therapist | Green Bay, WI | 2020 |
| Christopher Nier | 1609552884 | Clinical Social Worker | Belleville, IL | 2023 |
| Danielle Nier | 1760025316 | Licensed Practical Nurse | Carthage, NY | 2019 |
| Heath Nier, DPT | 1407352461 | Physical Therapist | Marion, VA | 2018 |
| Katherine Nier, OT | 1760012876 | Occupational Therapist | Green Bay, WI | 2020 |
| Kelian Nier, MA, LADC | 1518887280 | Addiction (Substance Use Disorder) Counselor | Saint Cloud, MN | 2026 |
| Leandra Nier, ACNP-BC | 1861795171 | Nurse Practitioner | Roswell, NM | 2010 |
| Matthew Nier, DO | 1376003376 | Surgery Physician | Lakeland, FL | 2019 |
| Melissa Nier | 1265835706 | Physical Therapist | Langhorne, PA | 2014 |
| Scott Nier, PT | 1639115017 | Physical Therapist | Doylestown, PA | 2006 |
| Shelley Nier, LCSW | 1235487232 | Clinical Social Worker | Castleton, VA | 2012 |
| Taylor Nier, PT | 1184460826 | Physical Therapist | Green Bay, WI | 2024 |
| Torie Nier, LPC | 1053974535 | Mental Health Counselor | Dayton, OH | 2019 |
| Gail Nierad, R.N. | 1043439888 | School Registered Nurse | Scottsdale, AZ | 2007 |
| Debbie Nieradka | 1407518111 | Peer Specialist | Bend, OR | 2021 |
| Justyna Nieradka, PA-C | 1487205001 | Physician Assistant | Garfield, NJ | 2019 |
| Karen Nieradka, P.A.-C | 1366505786 | Physician Assistant | Inverness, FL | 2006 |
| Lisa Nieradka, SPEECH PATHOLOGIST | 1467734798 | Speech-Language Pathologist | Clifton Park, NY | 2011 |
| Susan Nieradka | 1932478260 | Pharmacist | Westfield, NJ | 2011 |
| Thomas Nieradka, D.C. | 1568560183 | Chiropractor | Wallington, NJ | 2006 |
| Mary Nieraeth, RD | 1881045870 | Registered Dietitian | Downey, CA | 2016 |
| Michael Nieraeth, PT | 1295166882 | Physical Therapist | Baldwin Park, CA | 2013 |
| Michael Nieraeth, PA | 1487904280 | Surgical Physician Assistant | Boise, ID | 2012 |
| Luc Nierat, MS, LAC. | 1598988487 | Acupuncturist | Denver, CO | 2007 |
| Gn Niere, NP-C | 1326841453 | Family Nurse Practitioner | Napa, CA | 2025 |
| Jose Mario Niere | 1588093421 | Physical Therapist | Surprise, AZ | 2013 |
| Katrina Niere, LMFT | 1336689017 | Marriage & Family Therapist | Temecula, CA | 2017 |
| Kayla Niere | 1639991706 | Pediatric Occupational Therapist | Redlands, CA | 2024 |
| Shannon Niere, O.D. | 1538510094 | Optometrist | Saint Louis, MO | 2016 |
| Genalin Niere-Metcalf, R.N., M.A., PSY.D | 1639451057 | Clinical Psychologist | Naperville, IL | 2011 |
| Joanne Niere-Ramos, M.D. | 1851702229 | Geriatric Medicine (Family Medicine) Physician | Crown Point, IN | 2014 |
| Andrew Nierenberg, RN | 1053153676 | Registered Nurse | Pflugerville, TX | 2024 |
| Andrew Nierenberg, MD | 1336113661 | Psychiatry Physician | Boston, MA | 2006 |
| Anna Nierenberg, B.S. | 1649617010 | Occupational Therapist | Branchburg, NJ | 2013 |
| Barry Nierenberg, PHD, ABPP | 1356476766 | Rehabilitation Psychologist | Miami, FL | 2007 |
| Bart Nierenberg, MSW, LICSW | 1598787962 | Clinical Social Worker | Longmeadow, MA | 2006 |
| Brendan Nierenberg, LMFT | 1295358364 | Marriage & Family Therapist | Beverly Hills, CA | 2020 |
| Catherine Nierenberg, MS CCC-SLP | 1023532389 | Speech-Language Pathologist | Lynn, MA | 2017 |
| Cindy Nierenberg | 1427411511 | Speech-Language Pathologist | Port Orange, FL | 2016 |
| Dani Nierenberg, PHD | 1760604631 | Clinical Psychologist | Vancouver, WA | 2007 |
| David Nierenberg, MD | 1275558645 | Internal Medicine Physician | Lebanon, NH | 2006 |
| David Nierenberg, ATC | 1558493387 | Athletic Trainer | Schaumburg, IL | 2007 |
| David Nierenberg, M.D. | 1851352512 | Internal Medicine Physician | Tulsa, OK | 2006 |
| Hilary Nierenberg, NP | 1417080862 | Registered Nurse | New York, NY | 2007 |
| Ira Nierenberg, M.D. | 1972517332 | Gastroenterology Physician | Middletown, NY | 2006 |
| Jamie Nierenberg, PSYD | 1063840031 | Clinical Psychologist | Los Angeles, CA | 2013 |
| Jay Nierenberg, M.D., PHD | 1962630319 | Psychiatry Physician | Orangeburg, NY | 2009 |
| Julia Nierenberg | 1134600406 | Clinical Social Worker | Saint Paul, MN | 2018 |
| Kathleen Nierenberg | 1174741813 | Adult Psychiatric/Mental Health Registered Nurse | Seattle, WA | 2007 |
| Kristin Nierenberg, M.D. | 1750673745 | Family Medicine Physician | Seattle, WA | 2011 |
| Larissa Nierenberg, MSED | 1770002248 | Health Educator | Sayville, NY | 2017 |
| Lark Nierenberg, LCSW | 1679024855 | Clinical Social Worker | San Francisco, CA | 2016 |
| Linnea Nierenberg | 1114506185 | Emergency Medicine Physician | Sacramento, CA | 2021 |
| Lisa Nierenberg | 1184779753 | Family Medicine Physician | Flemington, NJ | 2007 |
| Maribel Nierenberg | 1811439524 | Mental Health Counselor | South Salem, NY | 2016 |
| Marie Nierenberg, P.T. | 1316053200 | Physical Therapist | North Haven, CT | 2006 |
| Mark Nierenberg, D.C. | 1598815409 | Orthopedic Chiropractor | Branchburg, NJ | 2007 |
| Marvin Nierenberg, M.D. | 1780891655 | Psychiatry Physician | New York, NY | 2007 |
| Michael Nierenberg, MD | 1790834133 | Internal Medicine Physician | Palo Alto, CA | 2007 |
| Natalie Nierenberg, MD | 1386829422 | Infectious Disease Physician | Boston, MA | 2008 |
| Ona Nierenberg, PHD | 1083637607 | Psychologist | New York, NY | 2006 |
| Richard Nierenberg, MD | 1477591105 | Emergency Medicine Physician | Hackensack, NJ | 2006 |
| Richard Nierenberg, MD | 1598870628 | Hospitalist Physician | Phoenix, AZ | 2006 |
| Robert Nierenberg, M.D. | 1487794012 | Legal Medicine (M.D./D.O.) Physician | Honolulu, HI | 2007 |
| Rosemary Nierenberg, O.T.R. | 1487791125 | Occupational Therapist | West Islip, NY | 2007 |
| Shira Nierenberg, CCC SLP | 1801314752 | Speech-Language Pathologist | Lakewood, NJ | 2017 |
| Stephanie Nierenberg, PT | 1134556590 | Geriatric Physical Therapist | Jacksonville, FL | 2013 |
| Steven Nierenberg, MD | 1245215136 | Cardiovascular Disease Physician | Phila, PA | 2005 |
| Susan Nierenberg, LCSW | 1679719793 | Clinical Social Worker | Miami, FL | 2008 |
| Susan Nierenberg, NP | 1932175825 | Family Nurse Practitioner | Buffalo, NY | 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).