Providers Jason Gagnon, M.D. to Isaac Gago, PMHNP
300 individual NPIs in the federal registry, part 7,297 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. 78 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Jason Gagnon, M.D. | 1285020545 | Dermatology Physician | North Attleboro, MA | 2015 |
| Jason Gagnon, OD | 1730268731 | Optometrist | Bremerton, WA | 2006 |
| Jason Gagnon, PT | 1881663680 | Physical Therapist | Albany, NY | 2006 |
| Jean-Phillippe Gagnon, MD | 1548780273 | Family Medicine Physician | Yuma, AZ | 2017 |
| Jeffrey Gagnon, PA | 1811137888 | Surgical Physician Assistant | Waterville, ME | 2009 |
| Jenna Gagnon | 1194196634 | Student in an Organized Health Care Education/Training Program | Pepperell, MA | 2015 |
| Jennifer Gagnon, M.ED., LPC | 1093252769 | Professional Counselor | Rockwall, TX | 2017 |
| Jennifer Gagnon, PT | 1205095577 | Physical Therapist | Jacksonville, FL | 2008 |
| Jennifer Gagnon | 1285095612 | Social Worker | Worcester, MA | 2016 |
| Jennifer Gagnon, PHARMD | 1417828021 | Pharmacist | Coventry, RI | 2025 |
| Jennifer Gagnon, LMP | 1487821328 | Massage Therapist | Ferndale, WA | 2008 |
| Jennifer Gagnon, CDCA, APS | 1508509167 | Addiction (Substance Use Disorder) Counselor | Columbus, OH | 2022 |
| Jennifer Gagnon, CRNA | 1609940477 | Certified Registered Nurse Anesthetist | Nashua, NH | 2006 |
| Jennifer Gagnon, CNM | 1740373331 | Advanced Practice Midwife | Wailuku, HI | 2006 |
| Jennifer Gagnon, APRN | 1770937617 | Family Nurse Practitioner | Arlington, VA | 2016 |
| Jennifer Gagnon, RN | 1871017301 | Registered Nurse | Methuen, MA | 2017 |
| Jennifer Gagnon, PT, DPT | 1992475321 | Physical Therapist | Milwaukee, WI | 2021 |
| Jenny Gagnon, LMCSW | 1205574712 | Counselor | Whitman, MA | 2022 |
| Jeremiah Gagnon, OD | 1407549207 | Optometrist | Sandpoint, ID | 2023 |
| Jeremiah Gagnon, RBT | 1972201820 | Behavior Technician | Appleton, WI | 2023 |
| Jeremy Gagnon | 1326394610 | Physical Therapist | Wolcott, CT | 2012 |
| Jessica Gagnon, CFNP | 1184064214 | Family Nurse Practitioner | Corpus Christi, TX | 2013 |
| Jessica Gagnon, LCSW | 1194038174 | Clinical Social Worker | Groton, CT | 2010 |
| Jessica Gagnon, PA-C | 1346962180 | Medical Physician Assistant | Concord, NC | 2022 |
| Jessica Gagnon, LCMHC | 1538253273 | Mental Health Counselor | Nashua, NH | 2006 |
| Jessica Gagnon | 1811272420 | Registered Nurse | Kingston, NY | 2011 |
| Jessica Gagnon, FNP | 1851573489 | Nurse Practitioner | Presque Isle, ME | 2007 |
| Jessica Gagnon, OTR/L | 1871187286 | Occupational Therapist | Dover, NH | 2021 |
| Jessica Gagnon | 1912561382 | Registered Nurse | Augusta, GA | 2019 |
| Jianna Gagnon | 1407539109 | Occupational Therapist | Cape Coral, FL | 2023 |
| Jillian Gagnon | 1164074134 | Mental Health Counselor | Jamaica Plain, MA | 2019 |
| Joanne Gagnon, RN, CLC | 1154008969 | Lactation Consultant (Registered Nurse) | Abington, MA | 2023 |
| Jocelyn Gagnon, PT, DPT | 1568346252 | Physical Therapist | Tampa, FL | 2025 |
| Jodi Gagnon | 1104691914 | Behavior Technician | Overland Park, KS | 2023 |
| Joelle Gagnon, DO | 1285051318 | Obstetrics & Gynecology Physician | Portland, ME | 2014 |
| John Gagnon, DMD | 1114934395 | General Practice Dentistry | Falmouth, MA | 2006 |
| John Gagnon, LMSW, CAC II | 1295715480 | Clinical Social Worker | Escanaba, MI | 2006 |
| John Gagnon, BCBA | 1467841387 | Behavior Analyst | Citrus Heights, CA | 2015 |
| John Gagnon, DDS | 1619911641 | Oral & Maxillofacial Surgery (D.M.D.) | Wichita, KS | 2006 |
| John Gagnon, PHD | 1679789234 | Marriage & Family Therapist | Stamford, CT | 2007 |
| Jonathan Gagnon, PHARM D | 1043822653 | Pharmacist | Melbourne, FL | 2020 |
| Jordan Gagnon | 1912763541 | Behavior Technician | San Diego, CA | 2024 |
| Joseph Gagnon, CRNP | 1558904813 | Psychiatric/Mental Health Nurse Practitioner | Chesterbrook, PA | 2019 |
| Joshua Gagnon | 1295667871 | Paramedic | Rochester, NH | 2026 |
| Judy Gagnon, MSW, LCSW | 1700450459 | Clinical Social Worker | Springvale, ME | 2021 |
| Julie Gagnon, OD | 1376721324 | Optometrist | Sandpoint, ID | 2008 |
| Julien Gagnon | 1568202570 | Mental Health Counselor | Torrington, CT | 2024 |
| June Gagnon, M.A. | 1174760557 | Specialist | Westbrook, ME | 2009 |
| Justin Gagnon | 1114819570 | Licensed Practical Nurse | Enfield, CT | 2025 |
| Justin Gagnon, PA | 1306402532 | Surgical Physician Assistant | San Francisco, CA | 2019 |
| Justine Gagnon, RN | 1235096470 | Registered Nurse | Washington, DC | 2026 |
| Kaitlin Gagnon, DMD | 1467145169 | Dentist | Sandpoint, ID | 2023 |
| Kaitlin Gagnon, DPT | 1790916112 | Physical Therapist | Canton, MA | 2009 |
| Kali Gagnon, DO | 1710470208 | Internal Medicine Physician | Omaha, NE | 2018 |
| Kalyn Gagnon, DPT | 1346968013 | Physical Therapist | South Portland, ME | 2022 |
| Kara Gagnon, OD | 1811088156 | Marriage & Family Therapist | New London, CT | 2006 |
| Karen Gagnon, NP | 1417223520 | Nurse Practitioner | Dearborn, MI | 2012 |
| Karlie Gagnon | 1871378802 | Behavior Technician | Stuart, FL | 2023 |
| Kassandra Gagnon | 1215754189 | Behavior Technician | Fort Collins, CO | 2024 |
| Kate Gagnon, PA-C | 1558839977 | Physician Assistant | Manchester, NH | 2018 |
| Katiemarie Gagnon, PNP | 1396188306 | Pediatric Nurse Practitioner | Richmond, VA | 2013 |
| Kayla Gagnon, LSWAIC | 1770329039 | Clinical Social Worker | Bellingham, WA | 2024 |
| Kayla Gagnon | 1932723731 | Registered Nurse | Katy, TX | 2020 |
| Kayleigh Gagnon | 1013668276 | Case Manager/Care Coordinator | Grand Haven, MI | 2022 |
| Keith Gagnon, DO | 1558117721 | Optometrist | Hillsville, VA | 2024 |
| Keith Gagnon, MD | 1669274106 | Surgery Physician | Columbus, OH | 2025 |
| Kelly Gagnon | 1295665784 | School Registered Nurse | Manitowoc, WI | 2026 |
| Kelly Gagnon, M.A., CCC-SLP | 1912292723 | Speech-Language Pathologist | Farmington Hills, MI | 2011 |
| Kendra Gagnon, PT | 1467609750 | Physical Therapist | Lathrop, MO | 2008 |
| Kenneth Gagnon, PHARM.D. | 1720173586 | Pharmacist | Price, UT | 2006 |
| Keri Gagnon, FNP-C | 1043095243 | Family Nurse Practitioner | Palm Bay, FL | 2023 |
| Kerry Gagnon, PHD | 1679056741 | Clinical Psychologist | Philadelphia, PA | 2018 |
| Kimberly Gagnon, LMT, MMP | 1275017303 | Massage Therapist | Manchester, NH | 2018 |
| Kimberly Gagnon, LO | 1477140721 | Optician | Newington, CT | 2020 |
| Kimberly Gagnon, LCSW | 1831741388 | Clinical Social Worker | Hartford, CT | 2019 |
| Kristin Gagnon | 1134435621 | School Psychologist | Hallowell, ME | 2010 |
| Kristina Gagnon | 1225437239 | School Social Worker | Lowell, MA | 2014 |
| Kristina Gagnon, RN | 1851087357 | Registered Nurse | South Burlington, VT | 2023 |
| Kylie Gagnon | 1619452281 | Behavior Analyst | Milford, MA | 2018 |
| Lacey Gagnon, CNP | 1912382789 | Nurse Practitioner | Rochester, MN | 2015 |
| Laura Gagnon | 1134436744 | Physical Medicine & Rehabilitation Physician | Sault Sainte Marie, MI | 2010 |
| Laura Gagnon, P.T., PH. D. | 1164474706 | Physical Therapist | Maryville, TN | 2006 |
| Laura Gagnon, MA, BCBA, LBA | 1407514219 | Behavior Analyst | Belmont, NC | 2021 |
| Laura Gagnon, DMD | 1518020239 | Orthodontics and Dentofacial Orthopedics Dentistry | Clinton, CT | 2006 |
| Lauren Gagnon | 1073865457 | Social Worker | Malden, MA | 2012 |
| Lauren Gagnon | 1962042614 | Behavior Technician | Woodbridge, VA | 2020 |
| Lauren Gagnon | 1962350843 | Occupational Therapist | Dover, NH | 2026 |
| Laurent Gagnon | 1215246178 | Pharmacist | Baton Rouge, LA | 2010 |
| Laurie Gagnon, BS | 1104422385 | Case Manager/Care Coordinator | Nashua, NH | 2020 |
| Laurie-Marie Gagnon, CRNA | 1912092180 | Certified Registered Nurse Anesthetist | Manchester, NH | 2006 |
| Lavina Gagnon, PA-C | 1962557207 | Physician Assistant | Hartford, CT | 2007 |
| Lawrence Gagnon, DMD | 1568461994 | General Practice Dentistry | Portland, OR | 2005 |
| Leah Gagnon, D.M.D. | 1235273392 | Dentist | Niceville, FL | 2007 |
| Leah Gagnon, MA, ATC | 1346397098 | Athletic Trainer | Ann Arbor, MI | 2007 |
| Leigh Gagnon, LCSWA | 1497478374 | Athletic Trainer | High Point, NC | 2022 |
| Leighanne Gagnon, L.P.N. | 1194193128 | Licensed Practical Nurse | Williamsville, NY | 2015 |
| Lilah Gagnon | 1033737275 | Behavior Technician | Anaheim, CA | 2020 |
| Linda Gagnon | 1144429531 | Massage Therapist | New Port Richey, FL | 2007 |
| Lindsey Gagnon, LCSW | 1013706191 | Clinical Social Worker | Chattanooga, TN | 2025 |
| Lindsey Gagnon, MD | 1043955289 | Emergency Medicine Physician | Tucson, AZ | 2022 |
| Lindsey Gagnon, ARNP | 1619497112 | Family Nurse Practitioner | The Villages, FL | 2017 |
| Lindsey Gagnon, LMSW | 1679838478 | Clinical Social Worker | Ionia, MI | 2012 |
| Lindsey Gagnon | 1952605677 | Student in an Organized Health Care Education/Training Program | Denver, CO | 2011 |
| Linette Gagnon, OT | 1861626715 | Physical Rehabilitation Occupational Therapist | Woodbridge, VA | 2009 |
| Lisa Gagnon | 1013194570 | Mental Health Counselor | Eugene, OR | 2008 |
| Lisa Gagnon, LMHC | 1023832771 | Mental Health Counselor | Panama City, FL | 2024 |
| Lisa Gagnon, APRN | 1417926957 | Nurse Practitioner | Madison, CT | 2006 |
| Lisa Gagnon, MSW,LICSW | 1538277009 | Mental Health Counselor | Worcester, MA | 2006 |
| Lisa Gagnon, LMT | 1598099434 | Massage Therapist | Wailuku, HI | 2009 |
| Lisa Rose Gagnon | 1174925853 | Counselor | Portland, OR | 2014 |
| Lois Gagnon | 1306538384 | Certified Registered Nurse Anesthetist | Saginaw, MI | 2023 |
| Lori Gagnon, MD | 1144339920 | Family Medicine Physician | San Antonio, TX | 2006 |
| Lori Gagnon, M.S. P.T. | 1730552522 | Physical Therapist | Brunswick, ME | 2015 |
| Louis Gagnon, MD | 1043951312 | Diagnostic Radiology Physician | San Diego, CA | 2022 |
| Lucas Gagnon | 1346968732 | Physical Therapist | Gorham, ME | 2022 |
| Lyssa Gagnon, PHD | 1033578836 | Clinical Psychologist | Allentown, PA | 2016 |
| Madeleine Gagnon | 1659515039 | Pediatrics Physician | Saint Paul, MN | 2009 |
| Madeline Gagnon, DPT | 1609540467 | Physical Therapist | Chicago, IL | 2021 |
| Madison Gagnon, BA | 1679225767 | Case Manager/Care Coordinator | Nashua, NH | 2022 |
| Marc Gagnon, OT | 1356949200 | Occupational Therapist | Lewiston, ME | 2020 |
| Marc Gagnon, PMHNP-BC | 1508631623 | Psychiatric/Mental Health Nurse Practitioner | Avon, CT | 2023 |
| Marcy Gagnon, PT | 1881692333 | Physical Therapist | Richmond, KY | 2005 |
| Margarette Gagnon, MS, CAGS | 1073940474 | Specialist | Renton, WA | 2013 |
| Maria Gagnon | 1043584709 | Pharmacist | Boston, MA | 2012 |
| Maria Gagnon, OTR/L | 1639598469 | Occupational Therapist | Ball Ground, GA | 2014 |
| Marie Gagnon, RN | 1548065030 | Mental Health Counselor | Phoenix, AZ | 2025 |
| Marie-Helene Gagnon, MD | 1649790072 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2017 |
| Marie-Helene Gagnon, M.D. | 1902253966 | Pediatric Radiology Physician | Atlanta, GA | 2016 |
| Marilyn Gagnon | 1881934727 | Case Manager/Care Coordinator | Central Valley, NY | 2013 |
| Marina Gagnon | 1760003446 | Behavior Technician | Santa Ana, CA | 2020 |
| Marion Gagnon, OTR | 1063555910 | Pediatric Occupational Therapist | Danvers, MA | 2007 |
| Marjorie Gagnon, LICSW | 1730217274 | Clinical Social Worker | Belchertown, MA | 2007 |
| Mark Gagnon, DPM | 1043261282 | Podiatrist | Summit, IL | 2006 |
| Mark Gagnon, MSW, LICSW, LADC | 1073822946 | Clinical Social Worker | Glens Falls, NY | 2010 |
| Mark Gagnon, LCSW | 1467229401 | Mental Health Counselor | Merritt Island, FL | 2023 |
| Mark Gagnon, PHARM.D | 1538209978 | Pharmacist | Wichita, KS | 2007 |
| Marlayna Gagnon, C.O.T.A. | 1942638887 | Occupational Therapy Assistant | Greentown, IN | 2013 |
| Marlee Gagnon | 1417554262 | Behavior Technician | Cary, NC | 2020 |
| Mary Gagnon, LMFT | 1528376605 | Marriage & Family Therapist | Auburn, ME | 2010 |
| Mary Gagnon | 1629308242 | Counselor | Juneau, AK | 2010 |
| Mary Gagnon, APRN | 1871601948 | Primary Care Nurse Practitioner | South Berwick, ME | 2006 |
| Mary Gagnon, CRNA | 1952583445 | Certified Registered Nurse Anesthetist | Pontiac, MI | 2007 |
| Mary Gagnon, LPN | 1972217925 | Licensed Practical Nurse | Watertown, NY | 2023 |
| Mary Gagnon, B.A. | 1972707271 | Mental Health Counselor | Milwaukee, WI | 2007 |
| Matthew Gagnon, M.D. | 1477808012 | Family Medicine Physician | Robins Afb, GA | 2012 |
| Maurice Gagnon, MD | 1720015688 | Obstetrics & Gynecology Physician | Keller, TX | 2006 |
| Meaghan Gagnon, PA | 1336537307 | Physician Assistant | Scottsdale, AZ | 2014 |
| Meegan Gagnon, OTR/L | 1063755577 | Occupational Therapist | Wyomissing, PA | 2013 |
| Megan Gagnon | 1730884750 | General Practice Physician | Jbsa Ft Sam Houston, TX | 2023 |
| Megan Gagnon | 1851107700 | Behavior Technician | Midland, MI | 2024 |
| Meghan Gagnon, PHARMD | 1619851318 | Oncology Pharmacist | New Haven, CT | 2025 |
| Melanie Gagnon, RN | 1356179345 | Registered Nurse | Bangor, ME | 2024 |
| Melanie Gagnon, P.T. | 1770582249 | Physical Therapist | Bloomsburg, PA | 2005 |
| Meleah Gagnon, CL | 1568153526 | Counselor | Olympia, WA | 2023 |
| Melinda Gagnon | 1174376826 | Behavior Technician | Monrovia, CA | 2024 |
| Melissa Gagnon, OTR/L | 1609898170 | Occupational Therapist | Miami, FL | 2006 |
| Melissa Gagnon, OTD, OTR/L | 1679977029 | Occupational Therapist | Homer, AK | 2014 |
| Mercedes Gagnon, MSW, SWLC | 1386503951 | Social Worker | Missoula, MT | 2026 |
| Michael Gagnon, MD | 1164525598 | Ophthalmology Physician | Pleasanton, CA | 2006 |
| Michael Gagnon | 1205301348 | Counselor | Sacramento, CA | 2018 |
| Michael Gagnon, RBT | 1801783022 | Behavior Technician | Alamogordo, NM | 2025 |
| Michael Gagnon, DC | 1831267178 | Chiropractor | Oak Forest, IL | 2006 |
| Michel Gagnon, DC | 1184795783 | Nutrition Chiropractor | San Jose, CA | 2006 |
| Michele Gagnon, CNP | 1992241020 | Family Nurse Practitioner | Camden, ME | 2017 |
| Michelle Gagnon | 1063135937 | Marriage & Family Therapist | Beverly Hills, CA | 2022 |
| Michelle Gagnon | 1659704161 | Mental Health Counselor | Boulder, CO | 2013 |
| Michelle Gagnon | 1811537137 | Occupational Therapist | Philadelphia, PA | 2020 |
| Molly Gagnon, FNP-BC | 1528773876 | Family Nurse Practitioner | Albany, NY | 2023 |
| Molly Gagnon, PT | 1710405659 | Physical Therapist | Naples, FL | 2017 |
| Molly Gagnon, COTA | 1912365966 | Occupational Therapy Assistant | Portland, OR | 2016 |
| Monica Gagnon, MFT | 1184939001 | Marriage & Family Therapist | San Jose, CA | 2010 |
| Monique Gagnon, M.D. | 1740255785 | Pediatrics Physician | Stamford, CT | 2006 |
| Moriah Gagnon | 1194506352 | Mental Health Counselor | Lowell, MA | 2023 |
| Nancy Gagnon, APRN,BC | 1508877861 | Family Nurse Practitioner | Rochester Hills, MI | 2006 |
| Neal Gagnon | 1386081420 | Mental Health Counselor | Raleigh, NC | 2013 |
| Nicholas Gagnon | 1508562554 | Behavior Analyst | Dedham, MA | 2023 |
| Nichole Gagnon, MSW, LSW | 1336869072 | Clinical Social Worker | Struthers, OH | 2022 |
| Nicole Gagnon, PT, DPT | 1538933064 | Physical Therapist | Allentown, PA | 2023 |
| Nicole Gagnon | 1578932158 | Clinical Social Worker | Willimantic, CT | 2015 |
| Nicole Gagnon, LCSW | 1780335810 | Clinical Social Worker | Boston, MA | 2022 |
| Nora Gagnon, CASAC | 1114560414 | Addiction (Substance Use Disorder) Counselor | Highland, NY | 2019 |
| Olga Gagnon, NP | 1497584577 | Nurse Practitioner | West Bloomfield, MI | 2024 |
| Olivia Gagnon, QMHP | 1952282832 | Case Manager/Care Coordinator | Waterford, MI | 2025 |
| Patricia Gagnon, PA-C | 1033129846 | Physician Assistant | Augusta, ME | 2006 |
| Patricia Gagnon | 1073343414 | Pharmacist | Shrewsbury, MA | 2024 |
| Patricia Gagnon, MOT, OTR | 1487398525 | Occupational Therapist | Milford, NH | 2022 |
| Patricia Gagnon, FNP | 1619069960 | Family Nurse Practitioner | Wilmington, DE | 2006 |
| Patricia Gagnon, BCBA | 1710450648 | Behavior Analyst | Manchester, NH | 2019 |
| Patrick Gagnon, APRN | 1083748214 | Psychiatric/Mental Health Nurse Practitioner | Milford, CT | 2007 |
| Patrick Gagnon, MD | 1588869366 | Radiation Oncology Physician | Fairhaven, MA | 2007 |
| Paul Gagnon, D.O. | 1679532436 | Diagnostic Radiology Physician | Hyannis, MA | 2006 |
| Paul Gagnon, D.M.D. | 1699811463 | Dentist | Pocatello, ID | 2007 |
| Paul Gagnon, LMHC | 1710111778 | Mental Health Counselor | West Palm Beach, FL | 2009 |
| Paul Gagnon, LMHC | 1881816668 | Mental Health Counselor | Fall River, MA | 2007 |
| Paula Gagnon, NP-C | 1558773705 | Family Nurse Practitioner | Rutland, VT | 2014 |
| Paulette Gagnon, RN | 1285581918 | Registered Nurse | Whitman, MA | 2026 |
| Paulette Gagnon, R.N. | 1891087797 | Registered Nurse | Waterville, ME | 2011 |
| Penny Gagnon | 1558677815 | Specialist | Eliot, ME | 2010 |
| Peter Gagnon, DPT | 1568889954 | Physical Therapist | Bowling Green, KY | 2014 |
| Rachael Gagnon, NP-C | 1992120422 | Adult Health Nurse Practitioner | Springfield, MA | 2014 |
| Raymond Gagnon, PT | 1932224714 | Physical Therapist | Woburn, MA | 2007 |
| Reagan Gagnon, PA-C, CAQ-PSY | 1609299213 | Physician Assistant | Carlisle, MA | 2014 |
| Rebecca Gagnon | 1134988900 | Physician Assistant | Nashua, NH | 2024 |
| Renonna Gagnon, LMT | 1245448539 | Contractor | Summerville, SC | 2007 |
| Rhonda Gagnon, APRN | 1437897808 | Gerontology Nurse Practitioner | Novi, MI | 2022 |
| Richard Gagnon, PA-C | 1275570244 | Medical Physician Assistant | Palm Beach Gardens, FL | 2006 |
| Richard Gagnon, M.D. | 1770508202 | Orthopaedic Surgery Physician | Saint Johnsbury, VT | 2006 |
| Rita Gagnon, PTA | 1760749758 | Physical Therapy Assistant | Great Falls, MT | 2012 |
| Robert Gagnon, MD | 1124090493 | Family Medicine Physician | Lakeville, MA | 2006 |
| Robert Gagnon, LVN | 1366227787 | Licensed Practical Nurse | Kerrville, TX | 2023 |
| Robert Gagnon, M.D. | 1477576015 | Anesthesiology Physician | San Diego, CA | 2006 |
| Robert Gagnon, LPC | 1932338068 | Professional Counselor | Norwich, CT | 2009 |
| Robin Gagnon | 1326917048 | Behavior Technician | Sierra Vista, AZ | 2025 |
| Robyn Gagnon, NP | 1336373695 | Critical Care Neonatal Nurse Practitioner | Providence, RI | 2009 |
| Robyn Gagnon, DMD | 1679986020 | Dentist | Tampa, FL | 2014 |
| Roger Gagnon, O.D. | 1124128913 | Optometrist | South Portland, ME | 2006 |
| Rosalie Gagnon, MA CCC-SLP | 1255018701 | Speech-Language Pathologist | Flint, MI | 2023 |
| Ryan Gagnon, RN, BSN, CPEN | 1366161192 | Registered Nurse | Cambridge, MA | 2022 |
| Ryan Gagnon | 1588447072 | Behavior Technician | Farmington Hills, MI | 2023 |
| Rykki Gagnon | 1235959008 | Addiction (Substance Use Disorder) Counselor | Duluth, MN | 2024 |
| Sabah Gagnon, DDS | 1982087953 | Dentist | Farmington Hills, MI | 2015 |
| Sabrina Gagnon | 1073400859 | Behavior Technician | Minneapolis, MN | 2025 |
| Sabrina Gagnon | 1871014233 | Behavior Technician | Novi, MI | 2017 |
| Samantha Gagnon, OD | 1184157596 | Optometrist | Brighton, MI | 2017 |
| Samuel Gagnon, PA-C | 1407121932 | Physician Assistant | South Portland, ME | 2012 |
| Samuel Gagnon, PT | 1497695399 | Physical Therapist | Aurora, CO | 2026 |
| Samuel Gagnon | 1982310074 | Behavior Technician | Lowell, MA | 2023 |
| Sarah Gagnon, LPC-MHSP | 1386563617 | Mental Health Counselor | Lyles, TN | 2026 |
| Sarah Gagnon, MT-BC | 1760808380 | Music Therapist | Franklin, MA | 2014 |
| Sarah Gagnon, NP | 1912480351 | Family Nurse Practitioner | Springfield, MA | 2018 |
| Sarah Gagnon, CPHT | 1932773785 | Pharmacy Technician | Manchester, NH | 2021 |
| Sarah Gagnon, MSW | 1962649129 | Clinical Social Worker | Franklin, NH | 2009 |
| Sera Gagnon | 1861311219 | Developmental Therapist | Milford, MA | 2026 |
| Serge Gagnon, DC | 1992574677 | Chiropractor | Los Angeles, CA | 2023 |
| Shanna Gagnon, D.M.D. | 1700810389 | Dentist | Farmingdale, ME | 2006 |
| Shawntae Gagnon, CNM, WHNP | 1124871942 | Women's Health Nurse Practitioner | Layton, UT | 2024 |
| Shealan Gagnon, APRN | 1376215186 | Psychiatric/Mental Health Nurse Practitioner | Hyannis, MA | 2021 |
| Sherri-Lynn Gagnon | 1063706463 | Clinical Social Worker | Caribou, ME | 2011 |
| Sherry Gagnon, NP | 1669446456 | Pediatric Nurse Practitioner | Providence, RI | 2006 |
| Sierra Gagnon | 1619732146 | Behavior Technician | Clermont, FL | 2024 |
| Silvanah Gagnon | 1770327652 | Registered Nurse | Boynton Beach, FL | 2024 |
| Stacy Gagnon | 1942874110 | Personal Care Attendant | Danville, WV | 2021 |
| Stephanie Gagnon, LCSW | 1063530145 | Clinical Social Worker | Norfolk, VA | 2007 |
| Stephanie Gagnon | 1124406616 | Developmental Therapist | Milford, MA | 2015 |
| Stephanie Gagnon, M.A. | 1528224136 | Speech-Language Pathologist | Carmel, IN | 2008 |
| Stephanie Gagnon, LCPC | 1821778168 | Professional Counselor | Decatur, IL | 2023 |
| Stephanie Gagnon, OTR | 1932234937 | Occupational Therapist | Manchester, NH | 2007 |
| Stephen Gagnon, PHARM.D. | 1285956599 | Pharmacist | Clifton Park, NY | 2010 |
| Steven Gagnon, D.C. | 1063423143 | Internist Chiropractor | Waterville, ME | 2006 |
| Steven Gagnon | 1407613169 | Optician | Branford, CT | 2024 |
| Susan Gagnon, LICSW | 1376553669 | Clinical Social Worker | Pittsfield, MA | 2006 |
| Susan Gagnon, MSW, LCSW | 1679608905 | Clinical Social Worker | Plantsville, CT | 2007 |
| Susan Gagnon, NP | 1851475917 | Diagnostic Radiology Physician | Durham, NC | 2006 |
| Susan Gagnon | 1922280817 | Psychiatric/Mental Health Nurse Practitioner | Lincoln, RI | 2007 |
| Suzanne Gagnon, MD | 1497912406 | Internal Medicine Physician | North Wales, PA | 2008 |
| Suzanne Gagnon, CNP | 1821004524 | Family Nurse Practitioner | Santa Fe, NM | 2006 |
| Sydney Gagnon | 1972435956 | Community Health Worker | Albuquerque, NM | 2026 |
| Tammy Gagnon, MSW, LICSW | 1013408681 | Clinical Social Worker | Mankato, MN | 2018 |
| Tammy Gagnon, M.S. | 1427474980 | Specialist | University Place, WA | 2014 |
| Tammy Gagnon, PTA | 1487953592 | Physical Therapy Assistant | Wautoma, WI | 2011 |
| Tanner Gagnon | 1194394775 | Physical Therapist | Auburn Hills, MI | 2021 |
| Tanner Gagnon | 1265013650 | Behavior Technician | Worcester, MA | 2021 |
| Tanyr Gagnon | 1952246456 | Student in an Organized Health Care Education/Training Program | Spokane, WA | 2026 |
| Tara Gagnon, OTR/L | 1699200113 | Occupational Therapist | Sarasota, FL | 2017 |
| Tara Gagnon | 1710855473 | Developmental Therapist | Milford, MA | 2025 |
| Tessa Gagnon | 1972486868 | Clinical Social Worker | Foxboro, MA | 2025 |
| Therese Gagnon, M.D. | 1427624261 | Hospitalist Physician | New Castle, PA | 2021 |
| Thomas Gagnon, LADC | 1245448927 | Addiction (Substance Use Disorder) Counselor | Grand Rapids, MN | 2007 |
| Tiffany Gagnon, LVN | 1043962517 | Licensed Vocational Nurse | Laredo, TX | 2022 |
| Tiffany Gagnon | 1255957072 | Behavior Technician | Bristol, NH | 2020 |
| Timothy Gagnon | 1609265750 | Pharmacist | Grand Forks, ND | 2015 |
| Timothy Gagnon, NP | 1861681652 | Nurse Practitioner | Madera, CA | 2007 |
| Tracey Gagnon, PH.D. | 1336697994 | Psychologist | Boston, MA | 2016 |
| Tricia Gagnon, LPC | 1568688760 | Professional Counselor | Flower Mound, TX | 2007 |
| Tyler Gagnon, DMD | 1548752397 | General Practice Dentistry | Auburn, ME | 2018 |
| Vanessa Gagnon | 1487908281 | Counselor | Pittsfield, MA | 2012 |
| Veronica Gagnon, RDH | 1154637536 | Dental Hygienist | Westport, MA | 2010 |
| Victoria Gagnon, LICSW | 1558954321 | Social Worker | St Louis Park, MN | 2021 |
| Victoria Gagnon, BCBA | 1609342997 | Behavior Analyst | Deerfield Beach, FL | 2018 |
| William Gagnon, DMD | 1942424767 | Dentist | Hudson, NH | 2007 |
| Zachary Gagnon | 1235072588 | Marriage & Family Therapist | Golden Valley, MN | 2026 |
| Zoe Gagnon | 1528924503 | Behavior Technician | Marietta, GA | 2026 |
| Michelle Gagnon Blodgett, PSY.D. | 1710061338 | Psychologist | Davie, FL | 2006 |
| Stephanie Gagnon Brown, LMT | 1740647452 | Massage Therapist | Rochester, NH | 2016 |
| Pamela Gagnon Da Silva, MS, LCPC | 1821515339 | Mental Health Counselor | Ellsworth, ME | 2017 |
| Kristen Gagnon Melendez | 1346025681 | Community Health Worker | Springfield, MA | 2023 |
| Megan Gagnon Pelletier, LCPC | 1508495300 | Professional Counselor | Levant, ME | 2020 |
| Julie Gagnon Skillicorn, LCSW | 1093111973 | Clinical Social Worker | Missoula, MT | 2014 |
| Jennifer Gagnon Snyder | 1629956503 | Doula | Manistique, MI | 2025 |
| Suzette Gagnon-Bailey, ARNP | 1407914450 | Adult Health Nurse Practitioner | Tacoma, WA | 2006 |
| Marina Gagnon-Diaz | 1295419117 | Medical Physician Assistant | Springfield, MA | 2023 |
| Philippe Gagnon-Joseph, LAT, ATC, CSCS | 1881197549 | Athletic Trainer | Chapel Hill, NC | 2018 |
| Marianne Gagnon-Konamna, M.D. | 1669090403 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2020 |
| Rebecca Gagnon-Pillsbury, MSPT, ATC, CLT | 1851951099 | Physical Therapist | Farmington, ME | 2019 |
| Charles Gagnon-Vargas, MD | 1568265577 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2025 |
| Anthony Gagnor, PT, DPT | 1770237703 | Physical Therapist | Louisville, CO | 2022 |
| Abla Gagnovi | 1235005117 | Adult Companion | Omaha, NE | 2025 |
| Andraya Gago, OTRL | 1306567722 | Occupational Therapist | Sterling Heights, MI | 2022 |
| Esteban Gago, M.A., CCC-SLP | 1811135130 | Speech-Language Pathologist | Houston, TX | 2009 |
| Isaac Gago, PMHNP | 1063388627 | Psychiatric/Mental Health Nurse Practitioner | Algonquin, IL | 2025 |
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).