Providers David Irwin, D.M.D. to Lisa Irwin, MPT
300 individual NPIs in the federal registry, part 10,202 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. 72 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| David Irwin, D.M.D. | 1346307402 | General Practice Dentistry | San Diego, CA | 2007 |
| David Irwin | 1467987081 | Internal Medicine Physician | Bethlehem, PA | 2017 |
| David Irwin, PT | 1740379130 | Physical Therapist | Abilene, TX | 2006 |
| David Irwin, DDS | 1750586608 | Dentist | Bloomer, WI | 2007 |
| David Irwin, M.D. | 1780672048 | Hematology & Oncology Physician | Berkeley, CA | 2005 |
| David Irwin, MD | 1821108077 | Cardiovascular Disease Physician | Tupelo, MS | 2006 |
| David Irwin, LSCSW, LCSW | 1851400790 | Clinical Social Worker | Kansas City, MO | 2006 |
| Dawn Irwin | 1508305475 | Rehabilitation Practitioner | Union City, MI | 2017 |
| Dean Irwin, DDS | 1497973010 | Dentist | Seattle, WA | 2007 |
| Debra Irwin, MD | 1659386712 | Family Medicine Physician | Bastrop, TX | 2006 |
| Delaney Irwin | 1053188995 | Behavior Technician | Frederick, MD | 2023 |
| Delano Irwin, LCSW | 1326202672 | Mental Health Counselor | New Town, ND | 2008 |
| Delynn Irwin | 1477785970 | Speech-Language Pathologist | Plymouth Meeting, PA | 2009 |
| Dennis Irwin, DC | 1760585608 | Chiropractor | Irwin, PA | 2006 |
| Dennis Irwin | 1902774417 | Peer Specialist | Mobile, AL | 2025 |
| Derek Irwin, MD | 1184603300 | Anatomic Pathology & Clinical Pathology Physician | Oklahoma City, OK | 2006 |
| Destiny Irwin | 1174461370 | Student in an Organized Health Care Education/Training Program | Gatesville, TX | 2026 |
| Diamond Irwin, BCBA | 1043067077 | Behavior Analyst | Indianapolis, IN | 2024 |
| Diana Irwin, RBT | 1497596597 | Behavior Technician | San Antonio, TX | 2024 |
| Diana Irwin | 1669954780 | Speech-Language Pathologist | Batavia, IL | 2018 |
| Diana Irwin, RPH | 1730612300 | Pharmacist | Parsons, KS | 2017 |
| Diane Irwin, CRSS | 1013885524 | Peer Specialist | Mobile, AL | 2025 |
| Diane Irwin | 1184165029 | Medical Art Specialist/Technologist | Houston, TX | 2017 |
| Diane Irwin, LCSW | 1669889143 | Clinical Social Worker | The Dalles, OR | 2014 |
| Dianna Irwin | 1659785285 | Occupational Therapist | Rock Island, IL | 2014 |
| Dina Irwin, PMHNP | 1033890918 | Psychiatric/Mental Health Nurse Practitioner | Sioux City, IA | 2023 |
| Dixie Irwin, M.O.T., O.T.R./L | 1437560471 | Pediatric Occupational Therapist | Lewisville, TX | 2014 |
| Dominic Irwin, P.T, DPT | 1487864955 | Physical Therapist | Shelby, OH | 2007 |
| Donna Irwin, LM544 | 1144851510 | Midwife | Vista, CA | 2020 |
| Donna Irwin, ARNP | 1275523326 | Women's Health Nurse Practitioner | Callahan, FL | 2005 |
| Dorothy Irwin | 1790635571 | Registered Dietitian | Birmingham, AL | 2026 |
| Douglas Irwin, M.D. | 1538115621 | Family Medicine Physician | Manchester, KY | 2006 |
| Durk Irwin, DMD | 1083031264 | Orthodontics and Dentofacial Orthopedics Dentistry | Pendleton, OR | 2014 |
| E. Irwin, OD | 1215906730 | Optometrist | Hoover, AL | 2006 |
| Eagle Scout Irwin | 1689453615 | Peer Specialist | Bismarck, ND | 2023 |
| Earle Irwin, CNS | 1306812862 | Adult Psychiatric/Mental Health Clinical Nurse Specialist | Christiansburg, VA | 2006 |
| Edward Irwin, PTA | 1508112327 | Physical Therapy Assistant | Waltham, MA | 2012 |
| Elaine Irwin | 1609357094 | Physical Rehabilitation Occupational Therapist | Plano, TX | 2018 |
| Elaine Irwin, RN | 1750585519 | Adult Psychiatric/Mental Health Registered Nurse | Tonawanda, NY | 2007 |
| Eleanor Irwin, PH.D. | 1043424948 | Psychologist | Pittsburgh, PA | 2007 |
| Elizabeth Irwin, LMSW | 1134892011 | Social Worker | New York, NY | 2021 |
| Elizabeth Irwin, LPC | 1225572654 | Professional Counselor | Ballwin, MO | 2016 |
| Elizabeth Irwin, M.D. | 1346439288 | Gynecology Physician | Rolling Hills Estates, CA | 2007 |
| Elizabeth Irwin, O.D. | 1699005165 | Optometrist | Lincoln Park, MI | 2010 |
| Elizabeth Irwin, PHD | 1821260159 | Clinical Psychologist | Issaquah, WA | 2008 |
| Elliott Irwin, DO | 1275283525 | Student in an Organized Health Care Education/Training Program | Danville, PA | 2022 |
| Emily Irwin, LMT | 1215681671 | Massage Therapist | Bend, OR | 2022 |
| Emily Irwin | 1831053172 | Behavior Technician | Marquette, MI | 2025 |
| Emily Irwin, SLP | 1881083202 | Speech-Language Pathologist | Memphis, TN | 2015 |
| Emily Irwin | 1962901447 | Mental Health Counselor | Seattle, WA | 2018 |
| Emily Irwin | 1982943882 | Mental Health Counselor | Corvallis, OR | 2013 |
| Emma Irwin, BT | 1003552613 | Behavior Technician | Carlsbad, CA | 2022 |
| Emma Irwin, L.M.S.W. | 1750621306 | Social Worker | Whitney Point, NY | 2013 |
| Eric Irwin, MD | 1184731226 | Surgery Physician | Minneapolis, MN | 2006 |
| Eric Irwin, MD | 1578687919 | Diagnostic Radiology Physician | Wheeling, WV | 2007 |
| Erica Irwin, LIMHP | 1811683659 | Counselor | Omaha, NE | 2023 |
| Erika Irwin, ATC | 1508229170 | Athletic Trainer | Canby, OR | 2016 |
| Erika Irwin, LPCC | 1649825399 | Mental Health Counselor | Tallmadge, OH | 2019 |
| Erin Irwin, CNM | 1154483758 | Advanced Practice Midwife | Grand Rapids, MI | 2006 |
| Erin Irwin, DO | 1568256634 | Emergency Medicine Physician | Kansas City, KS | 2025 |
| Erin Irwin | 1821635855 | Behavior Technician | Highland, CA | 2019 |
| Erin Irwin, MSW, LSW | 1831736628 | Social Worker | Akron, OH | 2019 |
| Erin Irwin, RN | 1912882879 | Emergency Registered Nurse | Lancaster, PA | 2025 |
| Ethan Irwin | 1396573358 | Behavior Analyst | Irvine, CA | 2024 |
| Eytan Irwin, M.D. | 1801897319 | Colon & Rectal Surgery Physician | Voorhees, NJ | 2005 |
| F Michael Irwin, MD | 1215006457 | Psychiatry Physician | Reno, NV | 2006 |
| Faith Irwin, RBT | 1053158485 | Behavior Technician | Kokomo, IN | 2024 |
| Frank Irwin, MD | 1104158245 | Internal Medicine Physician | Savage, MN | 2010 |
| Frankie Irwin, LPN | 1104336684 | Licensed Practical Nurse | Alcoa, TN | 2017 |
| Franklin Irwin, M.D. | 1477563369 | Pain Medicine (Physical Medicine & Rehabilitation) Physician | Jacksonville, FL | 2006 |
| Gail Irwin, LMFT | 1114303849 | Marriage & Family Therapist | Thousand Oaks, CA | 2015 |
| Gary Irwin, FNP-C | 1083557169 | Family Nurse Practitioner | Henderson, TN | 2026 |
| Gayle Irwin | 1982083002 | Speech-Language Pathologist | Tipp City, OH | 2015 |
| George Irwin, M.D. | 1629085089 | Orthopaedic Surgery Physician | Bloomington, IL | 2006 |
| Gerald Irwin | 1184561458 | Gastroenterology Physician | Phoenix, AZ | 2026 |
| Gerard Irwin, LPCC | 1063953263 | Professional Counselor | Cincinnati, OH | 2017 |
| Gilbert Irwin, M.D.P.C. | 1588649990 | Internal Medicine Physician | Manassas, VA | 2005 |
| Ginna Irwin | 1689383960 | Physical Therapist | Fitchburg, WI | 2022 |
| Giovanna Irwin | 1295590123 | Behavior Technician | Savannah, GA | 2024 |
| Glenn Irwin, MD | 1093793598 | Adult Medicine Physician | Bradford, PA | 2006 |
| Grace Irwin, M.S., CCC-SLP | 1578044137 | Speech-Language Pathologist | Bellefonte, PA | 2018 |
| Grant Irwin, DDS | 1639228802 | General Practice Dentistry | Sacramento, CA | 2007 |
| Gregory Irwin | 1851959662 | Professional Counselor | Springfield, IL | 2019 |
| Greta Irwin, OT | 1588721427 | Occupational Therapist | Tucson, AZ | 2007 |
| Gretchen Irwin, MD | 1992732903 | Family Medicine Physician | Wichita, KS | 2006 |
| Hannah Irwin, MS | 1043109309 | Professional Counselor | Philadelphia, PA | 2025 |
| Hannah Irwin, DO | 1134814932 | Internal Medicine Physician | Minneapolis, MN | 2023 |
| Hannah Irwin | 1174228167 | Social Worker | McHenry, IL | 2023 |
| Hannah Irwin, CF-SLP | 1891416772 | Speech-Language Pathologist | Meridian, ID | 2022 |
| Hannah Irwin | 1932979481 | Behavior Technician | Omaha, NE | 2024 |
| Heather Irwin | 1124659909 | Behavior Technician | San Diego, CA | 2020 |
| Heather Irwin, OTR | 1235414640 | Occupational Therapist | Bellevue, WA | 2011 |
| Heather Irwin, BIRTH DOULA | 1457877136 | Doula | Foristell, MO | 2017 |
| Heather Irwin, MS,RD,LDN | 1649729674 | Registered Dietitian | Limerick, PA | 2016 |
| Heather Irwin, MA, MA | 1770086183 | Mental Health Counselor | Colorado Springs, CO | 2018 |
| Heidi Irwin, MSN | 1386864445 | Registered Nurse | La Jolla, CA | 2007 |
| Heidi Irwin, LCSW | 1477613230 | Clinical Social Worker | Cut Off, LA | 2006 |
| Heidi Irwin, DPT | 1497798326 | Physical Therapist | Metamora, MI | 2006 |
| Heidi Irwin | 1679784821 | Acupuncturist | Chicago, IL | 2007 |
| Heidi Irwin | 1801272596 | Acute Care Nurse Practitioner | Woodland Hills, CA | 2015 |
| Hillary Irwin, RD | 1427496314 | Registered Dietitian | Westfield, NJ | 2013 |
| Hogan Irwin, MD | 1851145775 | Student in an Organized Health Care Education/Training Program | Temecula, CA | 2024 |
| Holly Irwin, M.D. | 1689028474 | Emergency Medicine Physician | Indianapolis, IN | 2016 |
| Holly Irwin, LMT | 1760938690 | Massage Therapist | Haines, AK | 2016 |
| Hope Irwin, PA | 1467037614 | Physician Assistant | Lorton, VA | 2021 |
| Howard Irwin | 1922480458 | Pastoral Counselor | Aliquippa, PA | 2015 |
| Hugh Irwin, RPH | 1811292550 | Pharmacist | La Quinta, CA | 2011 |
| Hugh Irwin, PA-C | 1932157864 | Physician Assistant | Harrisburg, PA | 2006 |
| Hunter Irwin, DMD | 1447949557 | General Practice Dentistry | Kansas City, MO | 2023 |
| Iain Irwin, LFMT | 1902399223 | Marriage & Family Therapist | Raleigh, NC | 2018 |
| Jack Irwin, DDS | 1154326957 | General Practice Dentistry | Brooklyn, NY | 2005 |
| Jackson Irwin | 1477342582 | Behavior Technician | Grand Rapids, MI | 2025 |
| Jaclyn Irwin, M.D. | 1346629763 | Pediatric Anesthesiology Physician | Phoenix, AZ | 2015 |
| Jacob Irwin, PT | 1003985797 | Physical Therapist | Marietta, GA | 2006 |
| Jacob Irwin, DPT | 1306458401 | Physical Therapist | Gainesville, FL | 2020 |
| Jacqueline Irwin, LCSW | 1053413963 | Clinical Social Worker | Atlanta, GA | 2006 |
| James Irwin, M.D. | 1023007465 | Family Medicine Physician | Jerome, ID | 2005 |
| James Irwin | 1134935240 | Personal Care Attendant | Las Vegas, NV | 2024 |
| James Irwin, FNP-C | 1184269565 | Family Nurse Practitioner | Knoxville, TN | 2019 |
| James Irwin | 1205460821 | Pharmacist | Marshalltown, IA | 2020 |
| James Irwin | 1336797059 | Physical Therapy Assistant | Canton, GA | 2019 |
| James Irwin, DO | 1356362040 | Surgery Physician | Rogers, AR | 2006 |
| James Irwin, R.PH. | 1427281021 | Pharmacist | Longview, TX | 2009 |
| James Irwin, D.C. | 1447330121 | Chiropractor | Stockton, CA | 2006 |
| James Irwin, MD | 1669418901 | Clinical Cardiac Electrophysiology Physician | Lutz, FL | 2006 |
| Jamie Irwin, DO | 1043413909 | Pediatrics Physician | Hot Springs, AR | 2007 |
| Jamie Irwin, LMSW | 1619542578 | Social Worker | Wilmington, DE | 2021 |
| Jane Irwin, MD | 1134705726 | Pediatrics Physician | Boston, MA | 2021 |
| Jane Irwin, RPH | 1336983519 | Pharmacist | San Antonio, TX | 2024 |
| Jasmine Irwin, PHARMD | 1982102299 | Pharmacist | Alexandria, LA | 2018 |
| Jean Irwin, D.D.S. | 1396814810 | Dentist | Primghar, IA | 2006 |
| Jeffrey Irwin, DDS | 1083633440 | Dentist | Meyersdale, PA | 2006 |
| Jeffrey Irwin, MS, CSCS | 1720644784 | Clinical Exercise Physiologist | Charleston, SC | 2019 |
| Jeffrey Irwin, MD | 1881156362 | Family Medicine Physician | Carrollton, VA | 2019 |
| Jenae Irwin | 1760071757 | Physical Therapist | Aberdeen, WA | 2021 |
| Jenna Irwin | 1689404816 | Personal Care Attendant | Princeton, WV | 2024 |
| Jennifer Irwin, PA-C MPAS | 1043309461 | Medical Physician Assistant | Indianapolis, IN | 2006 |
| Jennifer Irwin, BS | 1144875899 | Mental Health Counselor | Lakewood, WA | 2019 |
| Jennifer Irwin, PT, DPT | 1306207832 | Physical Therapist | Orange, CA | 2016 |
| Jennifer Irwin | 1326475591 | Speech/Language/Hearing Specialist/Technologist | Macon, GA | 2013 |
| Jennifer Irwin, M.D. | 1356505283 | Psychiatry Physician | Tacoma, WA | 2008 |
| Jennifer Irwin, BS, DC | 1366773392 | Chiropractor | Slidell, LA | 2010 |
| Jennifer Irwin, LCSW | 1649648916 | Clinical Social Worker | San Fernando, CA | 2015 |
| Jennifer Irwin | 1780827139 | Community Health Worker | Oakland, CA | 2009 |
| Jennifer Irwin | 1780915025 | Counselor | Elizabethtown, KY | 2010 |
| Jenny Irwin, FNP | 1588963144 | Family Nurse Practitioner | Kansas City, MO | 2011 |
| Jeremy Irwin | 1962366054 | Addiction (Substance Use Disorder) Counselor | Bellingham, WA | 2025 |
| Jeri Irwin, MD | 1639131774 | Diagnostic Radiology Physician | Louisville, KY | 2006 |
| Jesse Irwin, M.D. | 1225033863 | General Practice Physician | Washington, DC | 2005 |
| Jesse Irwin, ATC | 1619910742 | Athletic Trainer | Rolla, MO | 2006 |
| Jessica Irwin | 1295570315 | Behavior Technician | Farmington Hills, MI | 2024 |
| Jessica Irwin, BCBA | 1306141478 | Behavior Analyst | Mesa, AZ | 2011 |
| Jessica Irwin | 1396569463 | Behavior Technician | Layton, UT | 2024 |
| Jessica Irwin | 1518549542 | Registered Nurse | Columbiana, OH | 2021 |
| Jessica Irwin, DMD | 1730511148 | Pediatric Dentistry | Portland, OR | 2013 |
| Jessica Irwin, BCBA | 1790219038 | Behavior Analyst | Phoenix, AZ | 2017 |
| Jessica Irwin, MSW | 1811406572 | Clinical Social Worker | Bellingham, WA | 2017 |
| Jill Irwin, MS | 1790110351 | Case Manager/Care Coordinator | Corvallis, OR | 2013 |
| Jill Irwin | 1922825298 | School Psychologist | Indianapolis, IN | 2024 |
| Jillian Irwin, LMFT | 1679908685 | Marriage & Family Therapist | Scottsdale, AZ | 2013 |
| Jillian Irwin, DPM | 1801329073 | Foot & Ankle Surgery Podiatrist | Manhasset, NY | 2017 |
| Jillian Irwin, MD | 1942733027 | Internal Medicine Physician | Murphy, NC | 2017 |
| Jilliene Irwin, OTR/L | 1780930651 | Occupational Therapist | Washington, PA | 2012 |
| John Irwin, RRT | 1003916719 | Registered Respiratory Therapist | Lake City, FL | 2006 |
| John Irwin, DPT | 1104407758 | Physical Therapist | Oregon City, OR | 2021 |
| John Irwin, AGNP-BC | 1134781891 | Adult Health Nurse Practitioner | Las Vegas, NV | 2019 |
| John Irwin | 1154610640 | Emergency Medicine Physician | Conyers, GA | 2011 |
| John Irwin, M.D. | 1215982459 | Emergency Medicine Physician | Knoxville, TN | 2006 |
| John Irwin, D.P.M. | 1417330796 | Foot & Ankle Surgery Podiatrist | Philadelphia, PA | 2015 |
| John Irwin, M.D. | 1518960566 | Gynecology Physician | Houston, TX | 2005 |
| John Irwin, D.O. | 1528092491 | Internal Medicine Physician | Waterville, ME | 2006 |
| John Irwin, M.D. | 1568755239 | General Practice Physician | Chagrin Falls, OH | 2011 |
| John Irwin, D.C. | 1598856072 | Chiropractor | Clanton, AL | 2006 |
| John Irwin, CHID | 1649631102 | Hearing Instrument Specialist | Plymouth, MN | 2016 |
| John Irwin, MS, CCC-SLP | 1700493509 | Speech-Language Pathologist | Greensboro, NC | 2020 |
| John Irwin | 1710949219 | Pediatrics Physician | Baltimore, MD | 2006 |
| Joni Irwin, COTA/L | 1003256751 | Occupational Therapy Assistant | Merritt Island, FL | 2013 |
| Jordan Irwin | 1669317475 | Student in an Organized Health Care Education/Training Program | Winston Salem, NC | 2026 |
| Jordyn Irwin, MD | 1649920679 | Pediatrics Physician | San Francisco, CA | 2022 |
| Joseph Irwin, MD | 1063522050 | Family Medicine Physician | Ephrata, PA | 2006 |
| Joseph Irwin, DC, FACO | 1235243304 | Orthopedic Chiropractor | Claymont, DE | 2006 |
| Josephine Irwin, LPN | 1063889038 | Licensed Practical Nurse | Montrose, MI | 2015 |
| Julia Irwin, M.D. | 1306951124 | Psychiatry Physician | Norman, OK | 2006 |
| Julia Irwin | 1558964320 | Behavior Analyst | Costa Mesa, CA | 2020 |
| Julie Irwin | 1154873974 | Speech-Language Pathologist | Saint Louis, MO | 2016 |
| Julie Irwin, FNP-BC | 1215471594 | Family Nurse Practitioner | Troy, MO | 2016 |
| Julie Irwin, LCSW | 1396177028 | Clinical Social Worker | New York, NY | 2013 |
| Julie Irwin, CCC-SLP, ATP | 1780632810 | Speech-Language Pathologist | Laconia, NH | 2006 |
| June Irwin, RN | 1083559843 | Registered Nurse | Anchorage, AK | 2026 |
| Justine Irwin, SLP | 1508246810 | Speech-Language Pathologist | Monterey, CA | 2015 |
| Kacy Irwin | 1902607583 | Behavior Technician | Champaign, IL | 2025 |
| Kaitlyn Irwin | 1013630235 | Occupational Therapist | Salem, NH | 2022 |
| Kalea Irwin, OTR, MOT | 1225406267 | Occupational Therapist | Amarillo, TX | 2015 |
| Kaleigh Irwin | 1720608979 | Mental Health Counselor | Streamwood, IL | 2020 |
| Kalie Irwin, MS, CF/SLP | 1114478096 | Speech-Language Pathologist | Clearwater, FL | 2016 |
| Kana Irwin, PT, DPT | 1629403597 | Physical Therapist | Decatur, AL | 2013 |
| Kara Irwin | 1386023240 | Mental Health Counselor | Langhorne, PA | 2015 |
| Kari Irwin | 1336490002 | Behavior Analyst | Wheaton, MD | 2012 |
| Karla Irwin | 1497889174 | Pediatric Occupational Therapist | Bradenton, FL | 2007 |
| Karli Irwin | 1588120182 | Behavior Technician | Torrance, CA | 2019 |
| Kassandra Irwin | 1184338790 | Behavior Technician | Rocklin, CA | 2023 |
| Kassidy Irwin, MD | 1811726839 | Student in an Organized Health Care Education/Training Program | North Little Rock, AR | 2024 |
| Katharine Irwin, CCC-SLP | 1447659214 | Speech-Language Pathologist | Columbus, OH | 2014 |
| Katharine Irwin, DO | 1568221984 | Student in an Organized Health Care Education/Training Program | Aurora, CO | 2024 |
| Katherine Irwin, M. ED.,BCBA | 1215391321 | Behavior Analyst | Hammonton, NJ | 2016 |
| Katherine Irwin | 1285226720 | Student in an Organized Health Care Education/Training Program | Baltimore, MD | 2021 |
| Katherine Irwin, MS, RD, LDN, CNSC | 1407362163 | Registered Dietitian | Oak Ridge, TN | 2017 |
| Katherine Irwin, LSW | 1871831180 | Social Worker | Champaign, IL | 2013 |
| Kathleen Irwin, PSY.D. | 1063635217 | Mental Health Counselor | Bemidji, MN | 2007 |
| Kathleen Irwin | 1255065645 | Behavior Technician | Van Buren, AR | 2022 |
| Kathryn Irwin, AGACNP-BC | 1013699354 | Adult Health Nurse Practitioner | Dallas, TX | 2023 |
| Kathryn Irwin, LPC | 1235758111 | Mental Health Counselor | Carlisle, PA | 2020 |
| Kathryn Irwin, PHARMD | 1336446400 | Pharmacist | North Charleston, SC | 2011 |
| Kathryn Irwin, MS OTR L | 1336669449 | Pediatric Occupational Therapist | Severna Park, MD | 2017 |
| Kathryn Irwin, N.P. | 1912322207 | Family Nurse Practitioner | Flagstaff, AZ | 2014 |
| Kathy Irwin, LPN | 1417403973 | Licensed Practical Nurse | Toledo, OH | 2016 |
| Katie Irwin, R.N. | 1265825673 | Registered Nurse | Waterville, ME | 2015 |
| Katie Irwin, RN | 1972143063 | Registered Nurse | Stryker, OH | 2020 |
| Katlyn Irwin, PTA | 1891464384 | Physical Therapy Assistant | Lititz, PA | 2021 |
| Katrina Irwin, RN | 1922590405 | Registered Nurse | Dallas, TX | 2018 |
| Kayla Irwin | 1427773803 | Physician Assistant | Saratoga Springs, NY | 2022 |
| Kayla Irwin | 1629857875 | Behavior Technician | Ypsilanti, MI | 2023 |
| Kayla Irwin, OT | 1780151308 | Occupational Therapist | Manahawkin, NJ | 2018 |
| Kaylee Irwin | 1740129386 | Physician Assistant | Dallas, TX | 2026 |
| Kayley Irwin, MD | 1164210449 | Student in an Organized Health Care Education/Training Program | Columbus, OH | 2025 |
| Kaylie Irwin | 1700569860 | Psychiatric/Mental Health Registered Nurse | Dover, OH | 2023 |
| Keith Irwin, MA, QMHP | 1932345139 | Counselor | Salem, OR | 2008 |
| Kelli Irwin, M.A., CCC-SLP | 1083897813 | Speech-Language Pathologist | Lexington, SC | 2007 |
| Kelli Irwin, DNP, APRN, CPNP-AC | 1992346878 | Nurse Practitioner | Houston, TX | 2019 |
| Kelly Irwin, M.D. | 1013176650 | Psychiatry Physician | Boston, MA | 2008 |
| Kelly Irwin, MS CCC-SLP | 1083998272 | Speech-Language Pathologist | Scotland Neck, NC | 2011 |
| Kelly Irwin | 1124550884 | Other Technician | Bingham Farms, MI | 2017 |
| Kelly Irwin, DO | 1407544133 | Student in an Organized Health Care Education/Training Program | Warrensville Heights, OH | 2023 |
| Kelly Irwin, DO | 1497250971 | Pediatrics Physician | Columbus, OH | 2018 |
| Kelly Irwin, DMD | 1598295354 | Dentist | Monroe, WA | 2017 |
| Kelly Irwin, PMHNP-BC | 1821713447 | Psychiatric/Mental Health Nurse Practitioner | Oro Valley, AZ | 2022 |
| Kelsea Irwin | 1811765613 | Addiction (Substance Use Disorder) Counselor | Wasilla, AK | 2023 |
| Kelsey Irwin | 1437641040 | Speech-Language Pathologist | Dearborn, MI | 2018 |
| Kendall Irwin | 1457113433 | Student in an Organized Health Care Education/Training Program | Hoover, AL | 2024 |
| Kenny Irwin | 1457295610 | Behavior Analyst | South San Francisco, CA | 2026 |
| Kent Irwin, P.T. | 1891914347 | Physical Therapist | Downers Grove, IL | 2007 |
| Kera Irwin, RN | 1114733557 | Registered Nurse | Sacramento, CA | 2024 |
| Kerri Irwin | 1265390132 | Personal Care Attendant | Harpster, OH | 2026 |
| Kerry Irwin, OTR/L | 1922121722 | Pediatric Occupational Therapist | Baldwinsville, NY | 2007 |
| Kevin Irwin | 1568079101 | Registered Nurse | Chula Vista, CA | 2020 |
| Kiara Irwin | 1891678215 | Home Health Aide | Oneill, NE | 2025 |
| Kijsa Irwin, RN AND CFCN | 1477912426 | Registered Nurse | Cloquet, MN | 2016 |
| Kimberly Irwin, PTA | 1245429620 | Physical Therapy Assistant | Port Sanilac, MI | 2007 |
| Kimberly Irwin, MD | 1376547042 | Pediatric Nephrology Physician | Philadelphia, PA | 2005 |
| Kimberly Irwin, APRN, FNP | 1609382597 | Family Nurse Practitioner | Lexington, SC | 2017 |
| Kimberly Irwin, RN, CNOR, SA-C | 1619224532 | Surgical Assistant | Bel Air, MD | 2012 |
| Kimberly Irwin, M.ED., BCABA | 1801186374 | Behavior Analyst | Richmond, VA | 2011 |
| Kimberly Irwin, ATR-P | 1861234155 | Art Therapist | Atlanta, GA | 2024 |
| Kimmeth Irwin | 1124889126 | Peer Specialist | Pasco, WA | 2024 |
| Klaire Irwin, DO | 1982447751 | Student in an Organized Health Care Education/Training Program | Tulsa, OK | 2024 |
| Krista Irwin, PA | 1720487705 | Physician Assistant | Westfield, IN | 2014 |
| Kristen Irwin, M.D. | 1225340987 | Internal Medicine Physician | Indianapolis, IN | 2010 |
| Kristen Irwin | 1851485817 | Addiction (Substance Use Disorder) Counselor | Flint, MI | 2006 |
| Kristin Irwin | 1831981703 | Psychologist | Portland, OR | 2025 |
| Kristina Irwin, LCSW | 1326761917 | Clinical Social Worker | Escondido, CA | 2022 |
| Kyah Irwin | 1912718172 | Behavior Technician | Farmington Hills, MI | 2025 |
| Kylee Irwin | 1023777919 | Behavior Technician | Stillwater, OK | 2021 |
| Lacy Irwin, M.D. | 1558781211 | Pediatrics Physician | Spokane, WA | 2014 |
| Larissa Irwin | 1497367445 | Behavior Technician | Cheyenne, WY | 2020 |
| Larry Irwin, PA-C | 1437297645 | Physician Assistant | Dallas, TX | 2007 |
| Larry Irwin, DDS | 1902938475 | General Practice Dentistry | Knoxville, TN | 2007 |
| Latoya Irwin, MSSW, LCSW | 1790792778 | Social Worker | Fort Cavazos, TX | 2006 |
| Laura Irwin, R.PH,PHARM.D, CPS | 1033181607 | Pharmacotherapy Pharmacist | Martinsburg, WV | 2006 |
| Laura Irwin, M.S., LPC | 1427279868 | Mental Health Counselor | Centralia, IL | 2007 |
| Laura Irwin | 1568012409 | Physical Therapist | Davenport, IA | 2019 |
| Laura Irwin, MD MPH | 1851401178 | Obstetrics & Gynecology Physician | Augusta, GA | 2006 |
| Lauren Irwin, PA-C | 1346892346 | Physician Assistant | Peoria, IL | 2019 |
| Lauren Irwin, RN, CRNA | 1538095757 | Certified Registered Nurse Anesthetist | Columbus, IN | 2026 |
| Lauren Irwin, CRNA | 1538557129 | Certified Registered Nurse Anesthetist | Chicago, IL | 2015 |
| Lauren Irwin, DPT | 1598437634 | Physical Therapist | Minneapolis, MN | 2021 |
| Leah Irwin, RDN, LD | 1316778319 | Registered Dietitian | Nolensville, TN | 2024 |
| Leah Irwin | 1366315095 | Doula | Ellensburg, WA | 2025 |
| Leah Irwin | 1568906360 | Student in an Organized Health Care Education/Training Program | Gainesville, FL | 2016 |
| Lee Irwin, CRNA | 1275529521 | Certified Registered Nurse Anesthetist | Pittsburgh, PA | 2005 |
| Leland Irwin, MD | 1558336396 | Emergency Medical Services (Emergency Medicine) Physician | Lexington, KY | 2006 |
| Lesley Irwin, RPH | 1639765845 | Pharmacist | Whitestown, IN | 2020 |
| Leslie Irwin, RN | 1144979030 | Registered Nurse | Westerlo, NY | 2022 |
| Leslie Irwin, APRN, FNP-C | 1265265433 | Family Nurse Practitioner | Englewood, CO | 2024 |
| Leslie Irwin | 1649192477 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Liberty Township, OH | 2026 |
| Liam Irwin, LMSW | 1124632641 | Clinical Social Worker | Hudson Falls, NY | 2020 |
| Libbie Irwin | 1265080618 | Attendant Care Provider | Etna Green, IN | 2019 |
| Lily Irwin | 1699578518 | School Psychologist | Rockville, MD | 2025 |
| Linda Irwin, ANP | 1336221597 | Nurse Practitioner | Bronx, NY | 2006 |
| Lindsay Irwin | 1063352920 | Student in an Organized Health Care Education/Training Program | New York, NY | 2026 |
| Lindsey Irwin, COTA/L | 1407458045 | Occupational Therapy Assistant | Eureka, MO | 2020 |
| Lindsey Irwin, PHARMD | 1811523772 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Stevens Point, WI | 2020 |
| Lindsey Irwin, PMHCNS-BC | 1851779581 | Adult Psychiatric/Mental Health Clinical Nurse Specialist | Cleveland, OH | 2015 |
| Lisa Irwin | 1033578299 | Peer Specialist | Fullerton, CA | 2016 |
| Lisa Irwin, CST, CSFA | 1104214956 | Surgical Assistant | Noblesville, IN | 2015 |
| Lisa Irwin | 1285832840 | Case Manager/Care Coordinator | Camden, TN | 2007 |
| Lisa Irwin, M.S., LPC | 1316265911 | Professional Counselor | Enid, OK | 2010 |
| Lisa Irwin, MD | 1598991333 | Anesthesiology Physician | Ann Arbor, MI | 2009 |
| Lisa Irwin | 1659622991 | Clinical Psychologist | Glendora, CA | 2012 |
| Lisa Irwin, PSY. D | 1740371442 | Clinical Psychologist | Shelby Township, MI | 2006 |
| Lisa Irwin, MPT | 1831439157 | Physical Therapist | Canonsburg, PA | 2013 |
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).