Providers Alan Iwahashi to Thomas Iwashita, DC
300 individual NPIs in the federal registry, part 10,242 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 |
|---|---|---|---|---|
| Alan Iwahashi | 1356845044 | Anesthesiology Physician | Mountain View, CA | 2018 |
| Gordon Iwahashi, NCMMT | 1316163009 | Specialist | Fresno, CA | 2007 |
| Kayla Iwahashi, PA-C | 1629525415 | Physician Assistant | Tucson, AZ | 2016 |
| Marc-Alan Iwahashi, M.D., | 1235123985 | Family Medicine Physician | Cupertino, CA | 2005 |
| Masayuki Iwahashi, CCC-SLP | 1821261520 | Speech-Language Pathologist | Smyrna, GA | 2008 |
| Paul Iwahashi, RN | 1184146425 | Psychiatric/Mental Health Registered Nurse | Pasadena, CA | 2017 |
| Kristy Iwahashi-Marquez, DPM | 1225534159 | Primary Podiatric Medicine Podiatrist | Aiea, HI | 2018 |
| Marc Iwahiro, DMD | 1629103437 | General Practice Dentistry | Keizer, OR | 2007 |
| Marsha Iwahiro-Tanabe, DDS | 1689672701 | General Practice Dentistry | Honolulu, HI | 2005 |
| Aya Iwai, D.V.M. | 1093001810 | Veterinarian | Lynnwood, WA | 2011 |
| Benjamin Iwai, O.D. | 1417399890 | Optometrist | Burlington, IA | 2013 |
| Betty Iwai | 1346357183 | Pharmacist | Honolulu, HI | 2006 |
| Casey Iwai, PSY.D. | 1952760894 | Clinical Psychologist | Eloy, AZ | 2016 |
| Dina Iwai, M.D. | 1164516944 | Pediatric Critical Care Medicine Physician | Orange, CA | 2006 |
| Elsa Chiyo Iwai | 1457215667 | Certified Registered Nurse Anesthetist | Chicago, IL | 2025 |
| Joelle Iwai, PHARM.D. | 1720172257 | Pharmacist | San Diego, CA | 2006 |
| Kaela Iwai | 1700729118 | Student in an Organized Health Care Education/Training Program | Burlington, MA | 2026 |
| Kent Iwai | 1972992287 | Occupational Therapy Assistant | Alhambra, CA | 2015 |
| Kristina Iwai | 1760235980 | Perfusionist | Plymouth, MI | 2024 |
| Mayuko Iwai | 1457815177 | Athletic Trainer | Allston, MA | 2019 |
| Michael Iwai, RPH | 1295973949 | Pharmacist | Moreno Valley, CA | 2009 |
| Paul Iwai, MD | 1578671145 | Emergency Medicine Physician | Los Banos, CA | 2006 |
| Rick Iwai, O.D. | 1023069424 | Optometrist | San Pedro, CA | 2006 |
| Sei Iwai, MD | 1033206115 | Clinical Cardiac Electrophysiology Physician | Hawthorne, NY | 2006 |
| Suzanne Iwai, M.A., SLP | 1992029078 | Speech-Language Pathologist | Mission Viejo, CA | 2010 |
| Takuma Iwai, MD | 1073372116 | Student in an Organized Health Care Education/Training Program | Aventura, FL | 2024 |
| Yoshiko Iwai, MD | 1396597878 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2024 |
| Yuika Iwai | 1457182529 | Psychologist | Athens, OH | 2024 |
| Yumi Iwai | 1184904120 | Mental Health Counselor | Oakland, CA | 2011 |
| Aya Laurel Iwai-Folk | 1174205553 | Doula | Washington, DC | 2023 |
| Khattab Iwainat, DPT | 1255982146 | Physical Therapist | Chicago, IL | 2019 |
| Dunya Iwais, RBT | 1699411918 | Behavior Technician | Westlake, OH | 2022 |
| Mousa Iwais | 1770473985 | Personal Care Attendant | Las Vegas, NV | 2025 |
| Brandon Iwaishi, PHARMD | 1538762836 | Pharmacist | Waipahu, HI | 2020 |
| Louise Iwaishi, M.D. | 1437228004 | Pediatrics Physician | Honolulu, HI | 2006 |
| Sachie Iwaishi | 1821128687 | Registered Nurse | Denver, CO | 2007 |
| Funbi Iwajomo | 1083244438 | Home Health Aide | Upper Darby, PA | 2020 |
| Tony Iwakawa, D.P.T. | 1225133903 | Physical Therapist | Henderson, NV | 2006 |
| Hirotaka Iwaki | 1427681238 | Psychoanalysis Psychologist | Detroit, MI | 2020 |
| Jose Iwaki | 1285427005 | Student in an Organized Health Care Education/Training Program | Los Angeles, CA | 2025 |
| Ken Iwaki, D.C. | 1023075397 | Chiropractor | Artesia, CA | 2006 |
| Kimberly Iwaki | 1427476266 | Emergency Medicine Physician | Monterey Park, CA | 2014 |
| Kosuke Iwaki, M.D. | 1386091585 | Internal Medicine Physician | Fresno, CA | 2016 |
| Michelle Iwaki | 1700176229 | Emergency Medicine Physician | Pomona, CA | 2011 |
| Ryuma Iwaki, MD | 1326610023 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Phoenix, AZ | 2021 |
| Sherylle Lynne Iwaki, PHARM.D | 1649648486 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Portland, OR | 2015 |
| Yoko Iwaki, PH.D., MHC-LP | 1558727461 | Mental Health Counselor | New York, NY | 2016 |
| James Iwakiri, MD | 1972689057 | Urology Physician | Eau Claire, WI | 2006 |
| Lauren Iwakiri | 1639062524 | Student in an Organized Health Care Education/Training Program | Edwardsville, IL | 2025 |
| Miya Iwakiri, O.D. | 1427391093 | Optometrist | Monterey Park, CA | 2013 |
| Yuto Iwakuma, MD | 1164225777 | Student in an Organized Health Care Education/Training Program | San Francisco, CA | 2025 |
| London Iwalokun | 1285488924 | Behavior Technician | Towson, MD | 2024 |
| Femi Iwaloye, M.D. | 1801037973 | Obstetrics & Gynecology Physician | El Paso, TX | 2009 |
| Celia Iwama, D.D.S. | 1922376821 | Dentist | San Francisco, CA | 2011 |
| Joanne Iwama, LSW | 1699134379 | Psychoanalyst | Freehold, NJ | 2016 |
| Dawn Iwamasa, MA, CCLS, MT-BC | 1245587815 | Music Therapist | Portland, OR | 2012 |
| Gayle Iwamasa, PH.D., HSPP | 1861589327 | Clinical Psychologist | Lafayette, IN | 2006 |
| Julia Iwamasa, MD | 1114168820 | Anesthesiology Physician | New York, NY | 2009 |
| Lori Iwamasa | 1043841034 | Pharmacist | Mililani, HI | 2020 |
| Shannon Iwamasa | 1487289435 | Behavior Technician | Mililani, HI | 2020 |
| Tai Iwamasa | 1700388113 | Behavior Technician | San Bruno, CA | 2018 |
| Amy Iwamaye, MD | 1255575130 | Endocrinology, Diabetes & Metabolism Physician | Philadelphia, PA | 2009 |
| Jeffrey Iwami, O.D. | 1831249515 | Optometrist | San Rafael, CA | 2007 |
| Stefani Iwami, LMFT | 1578005377 | Marriage & Family Therapist | Lihue, HI | 2016 |
| Cami Iwamiya | 1619683943 | Speech-Language Pathologist | San Diego, CA | 2023 |
| Natalie Iwamiya | 1144852211 | Pharmacist | Downey, CA | 2020 |
| Ted Iwamizu | 1083662399 | Physical Therapist | Grants Pass, OR | 2006 |
| Alexander Iwamoto, MD | 1417416611 | Pediatrics Physician | Atlanta, GA | 2019 |
| Allison Iwamoto, FNP-C, RN | 1386232395 | Family Medicine Physician | Sacramento, CA | 2021 |
| Amelia Iwamoto | 1144768664 | Pharmacist | Los Angeles, CA | 2017 |
| Aya Iwamoto, MS, MD | 1720601263 | Obstetrics & Gynecology Physician | Iowa City, IA | 2020 |
| Bailey Iwamoto, LCSW | 1396671582 | Clinical Social Worker | San Diego, CA | 2026 |
| Brooke Iwamoto | 1134806144 | Psychologist | Los Angeles, CA | 2023 |
| Carlos Iwamoto, M.D. | 1699788125 | Anatomic Pathology & Clinical Pathology Physician | Minneapolis, MN | 2006 |
| Claudio Iwamoto, D.D.S., M.S. | 1689892242 | Periodontics | Centreville, VA | 2007 |
| Craig Iwamoto, M.D. | 1588656144 | Surgery Physician | Las Vegas, NV | 2005 |
| Darren Iwamoto, ED.D., LMHC | 1396111209 | Mental Health Counselor | Honolulu, HI | 2015 |
| Deanna Iwamoto, RN | 1336314772 | Registered Nurse | Honolulu, HI | 2008 |
| Denis Iwamoto, OD | 1194869131 | Optometrist | San Diego, CA | 2007 |
| Dennis Iwamoto, PHARM.D. | 1174699672 | Pharmacist | Baldwin Park, CA | 2006 |
| Emily Iwamoto, LMSW | 1831856178 | Clinical Social Worker | Brooklyn, NY | 2021 |
| Erin Iwamoto, PSYD | 1912134156 | Clinical Psychologist | Anchorage, AK | 2009 |
| Fabio Iwamoto, MD | 1053623934 | Neurology Physician | Stanford, CA | 2010 |
| Gary Iwamoto, D.C. | 1952529208 | Chiropractor | Santa Monica, CA | 2007 |
| Jamie Iwamoto, L.M.T. | 1134415730 | Massage Therapist | Kailua, HI | 2011 |
| Jaryn Iwamoto, APRN | 1679210470 | Wound Care Registered Nurse | Aiea, HI | 2022 |
| Joy Iwamoto | 1194657106 | Speech-Language Pathologist | Chula Vista, CA | 2026 |
| Kate Iwamoto, M.D. | 1508251067 | Pediatrics Physician | Baltimore, MD | 2015 |
| Linda Iwamoto, L.M.T. | 1740404326 | Massage Therapist | Honolulu, HI | 2007 |
| Lynn Iwamoto, M.D. | 1053429530 | Neonatal-Perinatal Medicine Physician | Honolulu, HI | 2006 |
| Mami Iwamoto | 1942281696 | Ophthalmic Plastic and Reconstructive Surgery Physician | Boston, MA | 2005 |
| Marian Iwamoto, MD, PHD | 1215101910 | Internal Medicine Physician | Rahway, NJ | 2008 |
| Marianne Iwamoto, ARNP, C-FNP | 1689654758 | Family Nurse Practitioner | Renton, WA | 2006 |
| Martha Iwamoto, M.D. | 1588845895 | Pediatrics Physician | Bethel, AK | 2007 |
| Matthew Iwamoto, MD | 1073547014 | Diagnostic Radiology Physician | Bismarck, ND | 2006 |
| Mieko Iwamoto, PT | 1952593238 | Physical Therapist | Aiea, HI | 2007 |
| Mizue Iwamoto, MS, ATC, CSCS | 1891110425 | Athletic Trainer | Troy, NY | 2014 |
| Patti Iwamoto, M.S., CCC-A | 1700907557 | Audiologist | West Jordan, UT | 2007 |
| Ryan Iwamoto, PHARM.D. | 1023529880 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Harbor City, CA | 2017 |
| Ryan Iwamoto, ARNP | 1407994486 | Nurse Practitioner | Seattle, WA | 2007 |
| Sally Iwamoto, M.D. | 1285193300 | Student in an Organized Health Care Education/Training Program | Atlanta, GA | 2019 |
| Samantha Iwamoto, M.S., CCC-SLP | 1932611126 | Speech-Language Pathologist | Marina Del Rey, CA | 2017 |
| Satori Iwamoto, M.D. | 1609820604 | Dermatology Physician | Providence, RI | 2006 |
| Satori Iwamoto | 1922945757 | Student in an Organized Health Care Education/Training Program | Sacramento, CA | 2026 |
| Sean Iwamoto, MD | 1700185097 | Endocrinology, Diabetes & Metabolism Physician | Aurora, CO | 2011 |
| Stacy Iwamoto | 1427477389 | Behavior Analyst | Los Angeles, CA | 2014 |
| Susan Iwamoto | 1760933717 | Pharmacist | Sacramento, CA | 2016 |
| Taro Iwamoto, MS, ATC, CSCS | 1386773117 | Athletic Trainer | Mercer Island, WA | 2007 |
| Taryn Iwamoto | 1801444336 | Speech-Language Assistant | Pacoima, CA | 2019 |
| Thomas Iwamoto | 1982375697 | Pharmacist | Bishop, CA | 2021 |
| Traci Iwamoto, M.D. | 1841566767 | Obstetrics & Gynecology Physician | San Francisco, CA | 2012 |
| Yutaka Iwamoto | 1235655648 | Physical Therapy Assistant | Everett, WA | 2017 |
| Yukiko Iwamoto Pegler, RN | 1477140762 | General Practice Registered Nurse | West Palm Beach, FL | 2020 |
| Paula Iwamoto-Schaap | 1083381248 | Rehabilitation Practitioner | Camarillo, CA | 2021 |
| Hanh Iwamura, DDS | 1376547752 | Dentist | Galt, CA | 2005 |
| Tai Iwamura, M.D. | 1437514239 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Dunwoody, GA | 2015 |
| Tiffany Iwamura, PHARM.D. | 1992354161 | Pharmacist | Gainesville, FL | 2019 |
| Alexa Iwan | 1407495427 | Speech-Language Pathologist | Dearborn, MI | 2019 |
| Benjamin Iwan, CMT | 1164142477 | Massage Therapist | Ladera Ranch, CA | 2022 |
| Edith Iwan, NP | 1285667600 | Family Nurse Practitioner | Thoreau, NM | 2006 |
| Emma Iwan | 1396353256 | Technician/Technologist | Marlborough, MA | 2020 |
| Gabriella Iwan, RN | 1457200362 | Registered Nurse | Scotia, NY | 2026 |
| Hannah Iwan, FNP | 1568877041 | Family Nurse Practitioner | Los Altos, CA | 2014 |
| Katarzyna Iwan, M.D. | 1467718908 | Pain Medicine Physician | Beaverton, OR | 2012 |
| Riley Iwan, RBT | 1053903369 | Behavior Technician | Phoenix, AZ | 2021 |
| Kanako Iwanaga | 1912446121 | Mental Health Counselor | Madison, WI | 2017 |
| Karen Iwanaga, DPT | 1265681688 | Orthopedic Physical Therapist | Los Angeles, CA | 2008 |
| Karen Iwanaga | 1558095869 | Registered Dietitian | Honolulu, HI | 2022 |
| Kensho Iwanaga, MD, MS | 1710146543 | Pediatrics Physician | San Francisco, CA | 2008 |
| Musumi Iwanaga, PHARM.D.,RPH | 1053308957 | Pharmacist | Sylmar, CA | 2005 |
| Yuko Iwanaga, DO | 1235534314 | Hospice and Palliative Medicine (Family Medicine) Physician | Salem, OR | 2014 |
| Stephanie Iwanciow, BCBA - 1-13-14784 | 1770273963 | Behavior Analyst | Santa Cruz, CA | 2023 |
| Stefanie Iwanciw, PSYD | 1003484635 | Clinical Psychologist | Glen Oaks, NY | 2021 |
| Jamie Iwanczewski, PT | 1477883411 | Physical Therapist | Cherry Hill, NJ | 2010 |
| Nikie Iwanczuk | 1679055768 | Social Worker | Fall River, MA | 2018 |
| Aleksandra Iwanczyk, PT | 1003082108 | Physical Therapist | Somerset, NJ | 2008 |
| Lukasz Iwanczyk, M.D. | 1114953262 | Geriatric Medicine (Internal Medicine) Physician | Ventura, CA | 2006 |
| Rebecca Iwanczyk, M.A. | 1881880177 | Speech-Language Pathologist | Hixson, TN | 2007 |
| Hannah Iwand, M.S. | 1346850104 | Mental Health Counselor | Lincoln, NE | 2020 |
| Marne Iwand, PT | 1184701831 | Physical Therapist | Omaha, NE | 2006 |
| Ian Iwane, DDS | 1467867374 | Dentist | El Cerrito, CA | 2014 |
| Marcus Iwane, M.D. | 1114246188 | Internal Medicine Physician | Kapolei, HI | 2010 |
| Tony Iwane | 1316073018 | Counselor | San Leandro, CA | 2007 |
| Oluwakemi Iwanefun, WHNP | 1730643347 | Women's Health Nurse Practitioner | Granbury, TX | 2019 |
| Magdalena Iwanek | 1619216298 | Physical Therapist | Lakeland, FL | 2013 |
| Mary Iwanenko, MS, OTR/L, ATP, SI/C | 1811173990 | Specialist | Lackawanna, NY | 2008 |
| Bohdan Iwanetz, MD | 1013916089 | Surgery Physician | Dolton, IL | 2005 |
| Joanna Iwanicka | 1710451497 | Occupational Therapist | Cheverly, MD | 2019 |
| Anielle Iwanicki, MSW | 1548075427 | Social Worker | Pittsfield, MA | 2025 |
| Beverly Iwanicki, MSCASOTR/L | 1043401649 | Occupational Therapist | Danvers, MA | 2007 |
| Brian Iwanicki | 1538677117 | Behavior Analyst | Portage, MI | 2018 |
| Brigitte Iwanicki, MSED | 1366161432 | Specialist | Rockaway Park, NY | 2022 |
| Christian Iwanicki | 1902440829 | Acupuncturist | Vacaville, CA | 2019 |
| Courtney Iwanicki, MS, RD, CSP | 1891454815 | Pediatric Nutrition Registered Dietitian | Clinton, MI | 2021 |
| Cynthia Iwanicki, OTR | 1477942233 | Occupational Therapist | Costa Mesa, CA | 2015 |
| Ian Iwanicki | 1053135087 | Mental Health Counselor | Boston, MA | 2024 |
| Isabella Iwanicki | 1609552546 | Student in an Organized Health Care Education/Training Program | Atlanta, GA | 2023 |
| Janetta Iwanicki, M.D. | 1649437393 | Emergency Medicine Physician | Denver, CO | 2008 |
| Joseph Iwanicki, M.D. | 1225105513 | Obstetrics & Gynecology Physician | Brooklyn, NY | 2006 |
| Joyann Iwanicki, LMHC | 1992185516 | Mental Health Counselor | Springfield, MA | 2015 |
| Julie Iwanicki, MA | 1982954723 | Marriage & Family Therapist | Bethlehem, PA | 2012 |
| Katarzyna Iwanicki, P.A. | 1760532790 | Physician Assistant | Mount Prospect, IL | 2007 |
| Krista Iwanicki | 1184261018 | Pediatric Occupational Therapist | South Windsor, CT | 2019 |
| Mark Iwanicki, ND | 1780136192 | Naturopath | Mill Valley, CA | 2016 |
| Melissa Iwanicki, PT | 1124593959 | Pediatric Physical Therapist | North Aurora, IL | 2018 |
| Michael Iwanicki, D.O. | 1003845561 | Surgery Physician | Downers Grove, IL | 2006 |
| Todd Iwanicki, MD | 1235297599 | Psychiatry Physician | Atlanta, GA | 2006 |
| Walter Iwanicki, MSW | 1326107780 | Clinical Social Worker | Waterford, CT | 2006 |
| Diane Iwaniec, DC | 1730265463 | Chiropractor | Rensselaer, NY | 2006 |
| James Iwaniec, MD | 1356427215 | Internal Medicine Physician | Hillsboro, OR | 2006 |
| John Iwaniec, DO | 1962204214 | Student in an Organized Health Care Education/Training Program | Lakeland, FL | 2025 |
| Julia Iwaniec, PT, DPT | 1376333492 | Physical Therapist | Attleboro, MA | 2025 |
| Lynn Iwaniec | 1235190661 | Internal Medicine Physician | Denver, CO | 2006 |
| Mark Iwaniec, RPH | 1912172909 | Pharmacist | Livonia, MI | 2008 |
| Matthew Iwaniec, M.A. | 1164893384 | Clinical Psychologist | Pittsburgh, PA | 2015 |
| Robert Iwaniec, DC | 1053497511 | Chiropractor | Rensselaer, NY | 2006 |
| Sharyn Iwaniec, PT | 1154481471 | Physical Therapist | Portland, OR | 2006 |
| Stacey Iwaniec | 1831427012 | Surgical Technologist | Seattle, WA | 2009 |
| Judy Iwanier, MSW, LCSW | 1053560581 | Clinical Social Worker | Petaluma, CA | 2008 |
| Kayla Iwanier, SLP | 1356028955 | Speech-Language Pathologist | Tempe, AZ | 2023 |
| Diana Iwanik, MD | 1902824915 | Diagnostic Radiology Physician | Chicago, IL | 2006 |
| Anne Iwanin | 1255770012 | Physical Therapy Assistant | Richfield, MN | 2013 |
| Dov Iwaniski, DPT | 1164726394 | Physical Therapist | Lakewood, NJ | 2011 |
| Alexa Iwaniuk, COTA/L | 1174957260 | Specialist | Tucson, AZ | 2013 |
| Darlene Iwaniw | 1669417234 | Certified Registered Nurse Anesthetist | Pontiac, MI | 2006 |
| Emma Iwaniw, COTA/L | 1356149108 | Occupational Therapy Assistant | St Petersburg, FL | 2025 |
| I. Alex Iwaniw, M.D. | 1265578967 | Internal Medicine Physician | Peekskill, NY | 2007 |
| Eileen Iwankiw | 1205488749 | Phlebotomy Technician | Burien, WA | 2019 |
| Leilani Iwankiw | 1366309593 | Behavior Technician | Covina, CA | 2026 |
| Elizabeth Iwankovitsch | 1972958981 | Other Technician | Saint Clair Shores, MI | 2016 |
| Carrie Iwankovitsch-Ross | 1629676994 | Speech-Language Pathologist | Waterford, VT | 2020 |
| Mika Iwano, M.D. | 1043573017 | Pediatric Emergency Medicine (Emergency Medicine) Physician | Buffalo, NY | 2012 |
| Takao Iwano | 1497108401 | Athletic Trainer | Thomasville, GA | 2016 |
| Abigail Iwanoff | 1861356016 | Doula | Swedesboro, NJ | 2025 |
| Christopher Iwanoff, D.O. | 1174817118 | Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician | Eatontown, NJ | 2011 |
| James Iwanoff, D.C. | 1821101148 | Chiropractor | Agoura Hills, CA | 2006 |
| Isabel Iwanonkiw | 1922891571 | Speech-Language Pathologist | Morgantown, WV | 2025 |
| Loretta Iwanoski, LICSW | 1871168914 | Clinical Social Worker | Boston, MA | 2021 |
| Christine Iwanow | 1356065882 | Behavior Technician | Monrovia, CA | 2022 |
| Debra Iwanow, ATC, CSCS | 1184240889 | Athletic Trainer | Binghamton, NY | 2020 |
| Ingrid Iwanow, M.D. | 1689769416 | Otolaryngology Physician | Winchester, VA | 2006 |
| Barbara Iwanowicz | 1679414270 | Registered Nurse | Tomah, WI | 2026 |
| Michelle Iwanowicz, COTA/L | 1396576880 | Occupational Therapy Assistant | Osage Beach, MO | 2024 |
| Cheryl Iwanowski | 1376087049 | Speech-Language Pathologist | Cantonment, FL | 2016 |
| Kathleen Iwanowski, RN | 1598885691 | Community Health Registered Nurse | Fort Myers, FL | 2007 |
| Lisa Iwanowski, LCSW,MSW,BA | 1235394263 | Clinical Social Worker | Fairfield, CT | 2008 |
| Martin Iwanowski, DO | 1164837688 | Emergency Medicine Physician | Clearwater, FL | 2014 |
| Marylynn Iwanowski | 1659292829 | Speech-Language Pathologist | Elizabeth City, NC | 2026 |
| Muriel Iwanowski, DMD | 1992962583 | Orthodontics and Dentofacial Orthopedics Dentistry | Coral Gables, FL | 2008 |
| Nicole Iwanowski, OTR/L, CLT | 1295844603 | Occupational Therapist | Kenosha, WI | 2006 |
| Victoria Iwanowski | 1295380921 | Professional Counselor | Pottstown, PA | 2019 |
| Jennifer Iwans | 1124430632 | Specialist | West Springfield, MA | 2014 |
| Adam Iwanski, PA | 1023360716 | Physician Assistant | Springfield, MA | 2012 |
| Adam Iwanski, M.D. | 1548678527 | Internal Medicine Physician | Seattle, WA | 2014 |
| Bethany Iwanski, DEV. SPECIALIST | 1952586562 | Specialist | Southbridge, MA | 2008 |
| Brittany Iwanski, MOT, OTR/L | 1700342839 | Occupational Therapist | Evanston, IL | 2019 |
| Brooke Iwanski, D.C. | 1992063135 | Chiropractor | Fort Myers, FL | 2012 |
| Colette Iwanski | 1669987244 | Occupational Therapist | Seminole, FL | 2017 |
| Colin Iwanski, PHD | 1780330829 | Clinical Psychologist | Cary, NC | 2022 |
| Dorothy Iwanski, D.O. | 1184738957 | Hospitalist Physician | Honolulu, HI | 2006 |
| Elaine Iwanski, MFT | 1548280050 | Mental Health Counselor | Sacramento, CA | 2006 |
| Heidi Iwanski, MD | 1992890503 | Psychiatry Physician | Seattle, WA | 2006 |
| Jennifer Iwanski, CRNA | 1871640045 | Certified Registered Nurse Anesthetist | Stoughton, MA | 2007 |
| Jesse Iwanski, MD | 1659301356 | Emergency Medicine Physician | Alexandria, VA | 2006 |
| Jessika Iwanski, MD PHD | 1972357374 | Student in an Organized Health Care Education/Training Program | Dallas, TX | 2024 |
| Megan Iwanski, ATC, LMT | 1073782082 | Athletic Trainer | Cleveland, OH | 2008 |
| Rebecca Iwanski, CASE MANAGER CARE CO | 1386773323 | Case Manager/Care Coordinator | Russellville, AR | 2007 |
| Ruth Iwanski | 1942611819 | Mental Health Counselor | Prestonsburg, KY | 2014 |
| Susan Iwanski, AUD | 1265413314 | Audiologist | Oshkosh, WI | 2005 |
| Sydney Iwanski | 1629702535 | Counseling Psychologist | Harrisonburg, VA | 2022 |
| Corina Iwanski Drugsvold | 1417762345 | Personal Care Attendant | Lincoln, NE | 2025 |
| Gary Iwansky, CRNA | 1578677209 | Certified Registered Nurse Anesthetist | Omaha, NE | 2006 |
| Tad Iwanuma, M.D. | 1184600504 | Internal Medicine Physician | Honolulu, HI | 2005 |
| Heather Iwanus, OCCUPATIONAL THERAPI | 1972630218 | Occupational Therapist | Kankakee, IL | 2007 |
| Erin Iwanusa, LCSW | 1144570573 | Clinical Social Worker | Brooklyn, NY | 2012 |
| Mary Iwanyckyj, MA,CCC-SLP | 1588874226 | Speech-Language Pathologist | Shirley, NY | 2007 |
| Aaron Iwanyczko, P.A. | 1093781288 | Surgical Physician Assistant | Davis, CA | 2006 |
| Lisa Iwanyczko, LVN | 1790308799 | Licensed Vocational Nurse | Fair Oaks, CA | 2020 |
| Eugene Iwanyk, M.D. | 1861687626 | Ophthalmology Physician | Renton, WA | 2007 |
| Nadia Iwanyshyn | 1033760707 | Pharmacist | Jacksonville, FL | 2019 |
| Pearl Iwao | 1033530647 | Social Worker | Commerce, CA | 2013 |
| David Iwaoka | 1437217379 | Hearing Instrument Specialist | Kaneohe, HI | 2006 |
| Judy Iwaoka, MS PT | 1023327087 | Orthopedic Physical Therapist | New York, NY | 2010 |
| Ken Iwaoka, MD | 1346263670 | Family Medicine Physician | Vista, CA | 2006 |
| Michael Iwaoka, D.D.S. | 1629170220 | General Practice Dentistry | White Plains, NY | 2006 |
| Robert Iwaoka, MD | 1144220377 | Interventional Cardiology Physician | Charlotte, NC | 2005 |
| Shawn Iwaoka | 1790286870 | Behavior Technician | Woodland Hills, CA | 2018 |
| Allison Iwaoka-Scott, MD, AM | 1174834790 | Child & Adolescent Psychiatry Physician | San Francisco, CA | 2010 |
| Hasna Iwas | 1144787003 | Pharmacist | Grosse Pointe Park, MI | 2019 |
| Kennedy Iwas, PA-C | 1407629587 | Physician Assistant | Rochester Hills, MI | 2023 |
| Bailey Iwasa, DPT | 1609356187 | Sports Medicine (Physical Medicine & Rehabilitation) Physician | Folsom, CA | 2018 |
| Carly Iwasa, LAC. | 1760298137 | Acupuncturist | Pasadena, CA | 2024 |
| Daniel Iwasa, O.D. | 1750577219 | Optometrist | Payette, ID | 2007 |
| Douglas Iwasa, OT-C | 1427627082 | Technician/Technologist | Laguna Woods, CA | 2021 |
| Eugene Iwasa, LAC | 1437370699 | Acupuncturist | Santa Monica, CA | 2007 |
| Steven Iwasa, O.D. | 1003985466 | Optometrist | Weiser, ID | 2006 |
| Susan Iwasa, RN, CDE | 1487773156 | Diabetes Educator Registered Nurse | Boise, ID | 2007 |
| Tiffany Iwasa | 1548660681 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Keizer, OR | 2014 |
| Yvonne Iwasa, M.A., M.A., LPC | 1518630482 | Professional Counselor | Boise, ID | 2021 |
| Jade Iwasaka-Neder, MD, MPH | 1104613918 | Student in an Organized Health Care Education/Training Program | Framingham, MA | 2025 |
| Ashley Iwasaki, PA-C | 1356675797 | Physician Assistant | Salt Lake City, UT | 2009 |
| Debra Iwasaki, PT ATC CSCS | 1063617223 | Physical Therapist | Stanford, CA | 2007 |
| Donald Iwasaki, DDS | 1831354166 | Dentist | Los Angeles, CA | 2008 |
| Ellen Iwasaki, FNP | 1487669982 | Family Nurse Practitioner | Portland, OR | 2006 |
| Gordon Iwasaki, PA | 1619149929 | Medical Physician Assistant | Murrieta, CA | 2008 |
| Hajime Iwasaki, MD, PHD | 1134004690 | Anesthesiology Physician | Milwaukee, WI | 2025 |
| John Iwasaki, DDS | 1790843837 | Pediatric Dentistry | Danbury, CT | 2006 |
| Julie Iwasaki, M.D. | 1548416019 | Dermatology Physician | Torrance, CA | 2008 |
| Justin Iwasaki, MD | 1467745117 | Family Medicine Physician | La Conner, WA | 2011 |
| Kaiea Iwasaki, OD | 1982443743 | Optometrist | Lihue, HI | 2024 |
| Kathryn Iwasaki, PA-C | 1033738349 | Surgical Physician Assistant | Atlanta, GA | 2020 |
| Kathy Iwasaki | 1245642339 | Student in an Organized Health Care Education/Training Program | Culver City, CA | 2014 |
| Kevin Iwasaki, SOCIAL WORKER | 1720603715 | Social Worker | Hilo, HI | 2020 |
| Laura Iwasaki, DDS, PHD | 1780746669 | Orthodontics and Dentofacial Orthopedics Dentistry | Lincoln, NE | 2006 |
| Lica Iwasaki | 1164592051 | Nurse Practitioner | Everett, WA | 2006 |
| Lisa Iwasaki | 1588131254 | Physician Assistant | Torrance, CA | 2018 |
| Lydia Iwasaki, N.P. | 1861890576 | Adult Health Nurse Practitioner | Long Beach, CA | 2014 |
| Makoto Iwasaki, MPT | 1093897167 | Orthopedic Physical Therapist | Alexandria, VA | 2006 |
| Mari Iwasaki, MD | 1205777869 | Student in an Organized Health Care Education/Training Program | Ventura, CA | 2026 |
| Mark Iwasaki, PT | 1285688408 | Physical Therapist | Kailua, HI | 2006 |
| Mia Iwasaki | 1932846912 | Behavior Analyst | Orange, CA | 2022 |
| Michiko Iwasaki, PH.D. | 1467599928 | Adult Development & Aging Psychologist | Seattle, WA | 2007 |
| Nobuko Iwasaki, AUD | 1639312069 | Audiologist | Alexandria, VA | 2009 |
| Omi Iwasaki, PT, DPT, OCS, ATC | 1154483915 | Orthopedic Physical Therapist | Santa Monica, CA | 2006 |
| Pamela Iwasaki, M.D. | 1790761005 | Family Medicine Physician | Selma, CA | 2005 |
| Robert Iwasaki | 1063281970 | Orthopedic Physical Therapist | Baldwin Park, CA | 2023 |
| Sophia Iwasaki, DMD | 1083505358 | General Practice Dentistry | Aiea, HI | 2025 |
| Sumie Iwasaki, MD | 1790945541 | Student in an Organized Health Care Education/Training Program | New York, NY | 2008 |
| Takako Iwasaki, M.D. | 1639240237 | Dermatology Physician | Torrance, CA | 2006 |
| Theresa Iwasaki, PT | 1932151123 | Pediatric Physical Therapist | Santa Ana, CA | 2006 |
| Sandra Iwasawa, LPC, ATR-BC | 1265672661 | Professional Counselor | East Brunswick, NJ | 2009 |
| Noriko Iwase, LCSW | 1982849261 | Clinical Social Worker | Falls Church, VA | 2008 |
| Tatiana Iwaseczko, D.C. | 1952445173 | Chiropractor | Portsmouth, NH | 2007 |
| Chad Iwashita, M.D. | 1891908646 | Anesthesiology Physician | Honolulu, HI | 2007 |
| Heidi Iwashita, M.S. | 1902235484 | Speech-Language Pathologist | Aberdeen, WA | 2013 |
| Jeanne Iwashita, CCC-SLP | 1841763018 | Speech-Language Pathologist | Waipahu, HI | 2019 |
| Nicole Iwashita | 1780406744 | Behavior Technician | Laguna Niguel, CA | 2024 |
| Scott Iwashita, D.D.S. | 1205015443 | General Practice Dentistry | San Jose, CA | 2007 |
| Thomas Iwashita, D.C. | 1285746388 | Chiropractor | Kaneohe, HI | 2006 |
| Thomas Iwashita, DC | 1669529244 | Chiropractor | Garden Grove, CA | 2007 |
Source: CMS National Plan and Provider Enumeration System (NPPES) (download.cms.gov). A listing is not a recommendation: check a license with the state board (license lookups).