Providers Shira McMahan, D.O. to Dennis McMahon
300 individual NPIs in the federal registry, part 14,241 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. 107 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Shira McMahan, D.O. | 1124339247 | Neurology Physician | Stuart, FL | 2010 |
| Stephen McMahan, PA-C | 1225556780 | Physician Assistant | Phoenix, AZ | 2017 |
| Steven McMahan, OTR | 1386991024 | Occupational Therapist | Fort Gratiot, MI | 2012 |
| Steven McMahan, M.D. | 1477625853 | Emergency Medicine Physician | Connersville, IN | 2006 |
| Steven McMahan, M.D. | 1497799456 | Family Medicine Physician | West Monroe, LA | 2006 |
| Susan McMahan, M.S., CCC-SLP | 1477214278 | Speech-Language Pathologist | League City, TX | 2022 |
| Susie McMahan | 1174174411 | Attendant Care Provider | Nichols Hills, OK | 2019 |
| Sylvia McMahan, MSN, FNP-C | 1811481302 | Family Nurse Practitioner | Corpus Christi, TX | 2018 |
| Tammy McMahan, LMP | 1558488346 | Massage Therapist | Everett, WA | 2007 |
| Therese McMahan, CNM | 1760468078 | Advanced Practice Midwife | Flagstaff, AZ | 2005 |
| Thomas McMahan, PEER | 1285000687 | Community Health Worker | Greeley, CO | 2015 |
| Thomas McMahan, M.D. | 1306880091 | Internal Medicine Physician | Ferguson, NC | 2006 |
| Thomas McMahan | 1871359463 | Behavior Technician | Walnut Creek, CA | 2024 |
| Tikma McMahan | 1477235331 | Mental Health Counselor | Cleveland, OH | 2023 |
| Tommi McMahan | 1801720628 | Counselor | Potosi, MO | 2026 |
| Tracie McMahan | 1447470729 | Speech-Language Pathologist | Brandon, MS | 2007 |
| Tracy McMahan, MD | 1659469286 | Pediatrics Physician | Mountain View, CA | 2006 |
| True McMahan, M.D. | 1114977683 | Emergency Medicine Physician | Laguna Beach, CA | 2006 |
| Vanessa McMahan, PHD | 1326636762 | Community Health Worker | San Francisco, CA | 2020 |
| Vanessa McMahan | 1457225187 | Mental Health Counselor | New York, NY | 2025 |
| Victoria McMahan, RBT | 1700541075 | Behavior Technician | Jeffersonville, IN | 2021 |
| Vladimir McMahan | 1760104004 | Behavior Technician | Fairfax, VA | 2022 |
| Whitney McMahan, LCSW | 1699098277 | Clinical Social Worker | Lombard, IL | 2010 |
| William McMahan, CRNA | 1316002587 | Certified Registered Nurse Anesthetist | Biloxi, MS | 2006 |
| Willie McMahan, PTA | 1649888751 | Physical Therapy Assistant | Wynne, AR | 2020 |
| Young McMahan, M.D. | 1013352145 | Dermatology Physician | Waco, TX | 2013 |
| Zachary McMahan | 1316057284 | Physical Therapist | Northglenn, CO | 2006 |
| Zsuzsanna McMahan, MD, MHS | 1518178516 | Rheumatology Physician | Houston, TX | 2007 |
| Meagan McMahan Chaney, CFNP | 1306270269 | Family Nurse Practitioner | Newton, MS | 2013 |
| Jackson McMahan-Fourman | 1609734540 | Counselor | Whitehall, OH | 2026 |
| Kristina McMahan-Harris, PH.D. | 1568392777 | Clinical Psychologist | Trinity, AL | 2026 |
| Celestine McMahan-Woneis, PH.D., M.M.Q. | 1568676179 | Contractor | Felton, CA | 2007 |
| Nancy McMahancarsonm, RN | 1871912188 | Community Health Registered Nurse | Charleston, SC | 2014 |
| Brandy McMahand, PMHNP-BC | 1982562062 | Psychiatric/Mental Health Nurse Practitioner | Greenville, SC | 2026 |
| Crystal McMahand | 1720386071 | Mental Health Counselor | Lemon Grove, CA | 2011 |
| Marissa McMahand, PA | 1821866427 | Physician Assistant | Dallas, TX | 2023 |
| Serenity McMahand | 1477496321 | Professional Counselor | Chesterfield, VA | 2026 |
| Ashley McMahen, LPC | 1467754291 | Professional Counselor | Longview, TX | 2010 |
| Cameron McMahen, DPM | 1265010185 | Foot & Ankle Surgery Podiatrist | The Dalles, OR | 2021 |
| Kahla McMahen | 1821492539 | Occupational Therapy Assistant | Fouke, AR | 2014 |
| Kasey McMahen, M.S., CCC-SLP | 1720204571 | Speech-Language Pathologist | Fort Smith, AR | 2007 |
| Kay McMahen, CNS | 1659432771 | Psychiatric/Mental Health Clinical Nurse Specialist | Anoka, MN | 2006 |
| Susann McMahen, DDS | 1154772051 | Dentist | Ruston, LA | 2016 |
| Cheiron McMahill, MS, LMHC | 1609513183 | Mental Health Counselor | Bellingham, WA | 2022 |
| Christie McMahill, RNC | 1740709104 | Neonatal Intensive Care Registered Nurse | Tacoma, WA | 2017 |
| Clinton McMahill, M.D. | 1245556190 | Internal Medicine Physician | Lander, WY | 2010 |
| Emily McMahill, PHARMD | 1871960807 | Pharmacist | Denver, CO | 2015 |
| Gregory McMahill, O.D. | 1366505588 | Optometrist | Palm Desert, CA | 2006 |
| James McMahill, LMFT | 1053616961 | Marriage & Family Therapist | San Diego, CA | 2011 |
| Kayla McMahill, PNP | 1922529171 | Pediatric Nurse Practitioner | Saint Louis, MO | 2017 |
| Lacey McMahill, APN | 1851891071 | Family Nurse Practitioner | Canton, IL | 2018 |
| Laura McMahill, COTA/L | 1639683501 | Occupational Therapy Assistant | Enumclaw, WA | 2017 |
| Lauren McMahill, MD | 1952805764 | Family Medicine Physician | New Orleans, LA | 2018 |
| Philip McMahill, M.D. | 1013968304 | Hematology & Oncology Physician | Gillette, WY | 2006 |
| Rebecca McMahilll, RPH | 1538724323 | Pharmacist | Kearney, MO | 2019 |
| Aaliyah McMahon | 1396205019 | Behavior Technician | Charlotte, NC | 2019 |
| Aaron McMahon, MA | 1881900298 | Counselor | Mundelein, IL | 2010 |
| Abby McMahon, FNP- BC | 1811144629 | Family Nurse Practitioner | Vernon Hills, IL | 2008 |
| Abigail McMahon, AUD | 1003123340 | Audiologist | Denver, CO | 2010 |
| Abigail McMahon | 1417816604 | Behavior Analyst | Farmingdale, NY | 2026 |
| Ada McMahon | 1952280836 | School Social Worker | Northampton, MA | 2025 |
| Adam McMahon | 1578405684 | Occupational Therapist | Sparks, NV | 2026 |
| Adelaide McMahon, LCSW | 1649684739 | Clinical Social Worker | Beaumont, CA | 2014 |
| Adele McMahon, LCSW | 1326465600 | Clinical Social Worker | Staten Island, NY | 2014 |
| Adelle McMahon, MD | 1245868868 | Emergency Medicine Physician | Lawrence, KS | 2020 |
| Adrian McMahon | 1215741913 | Interpreter | Baltimore, MD | 2025 |
| Agnes McMahon, LPN | 1891018487 | Licensed Practical Nurse | Pearl River, NY | 2010 |
| Ajai McMahon | 1710426945 | Marriage & Family Therapist | Las Vegas, NV | 2017 |
| Alanna McMahon, LMSW | 1417344029 | Clinical Social Worker | Flushing, NY | 2015 |
| Alexander McMahon, D.D.S., M.D. | 1225487622 | Oral & Maxillofacial Surgery (D.M.D.) | Los Angeles, CA | 2016 |
| Alexis McMahon, SPEECH PATHOLOGIST | 1104331321 | Speech-Language Pathologist | Dyer, IN | 2017 |
| Alexis McMahon | 1871049742 | Addiction (Substance Use Disorder) Counselor | Warwick, RI | 2016 |
| Alexis McMahon, NP | 1972421162 | Acute Care Nurse Practitioner | Atlanta, GA | 2026 |
| Alisa McMahon, AUD | 1932118502 | Audiologist | Simpsonville, SC | 2006 |
| Alisa McMahon, OD | 1952805210 | Optometrist | Scottsdale, AZ | 2018 |
| Alissa McMahon, ALISSA MCMAHON, PA-C | 1629408968 | Physician Assistant | Mount Pleasant, WI | 2013 |
| Alissa McMahon | 1962342170 | Nurse Practitioner | Maryville, TN | 2026 |
| Allison McMahon, RN | 1306114947 | Registered Nurse | Staten Island, NY | 2011 |
| Allison McMahon | 1427300557 | Rehabilitation Practitioner | Las Vegas, NV | 2012 |
| Allison McMahon, D.D.S. | 1689849663 | Pediatric Dentistry | Charlotte, NC | 2008 |
| Allyson McMahon | 1972470201 | Addiction (Substance Use Disorder) Counselor | Denver, CO | 2025 |
| Alysha McMahon | 1619301017 | Pharmacist | Henderson, NV | 2013 |
| Alyssa McMahon, FNP | 1295591410 | Nurse Practitioner | Syracuse, NY | 2024 |
| Amanda McMahon | 1134866502 | Behavior Technician | Hilo, HI | 2022 |
| Amanda McMahon, MD | 1346699741 | Family Medicine Physician | Ortonville, MN | 2016 |
| Amanda McMahon, LAC | 1477007250 | Addiction (Substance Use Disorder) Counselor | Raleigh, ND | 2016 |
| Amanda McMahon, MD | 1487401717 | Student in an Organized Health Care Education/Training Program | Newark, NJ | 2024 |
| Amanda McMahon | 1962103762 | Behavior Technician | Mankato, MN | 2023 |
| Amari McMahon, DDS | 1407696834 | General Practice Dentistry | Cincinnati, OH | 2024 |
| Amber McMahon | 1427706704 | Student in an Organized Health Care Education/Training Program | Kansas City, KS | 2022 |
| Amber McMahon | 1487019402 | Nurse's Aide | North Canton, OH | 2015 |
| Amber McMahon, LMHC | 1568823581 | Mental Health Counselor | Arlington, MA | 2016 |
| Amber McMahon, CASAC A - 37855 | 1649020595 | Addiction (Substance Use Disorder) Counselor | Binghamton, NY | 2024 |
| Amber McMahon, PA-C | 1881713667 | Medical Physician Assistant | Encinitas, CA | 2007 |
| Amber McMahon, PSY.D., LCPC | 1922428812 | Mental Health Counselor | Plainfield, IL | 2014 |
| Amy McMahon, M.S. CCC-SLP | 1295398923 | Speech-Language Pathologist | Towson, MD | 2019 |
| Amy McMahon, O.T. | 1295767325 | Occupational Therapist | South Bend, IN | 2006 |
| Amy McMahon, OT | 1396889648 | Occupational Therapist | De Pere, WI | 2007 |
| Amy McMahon | 1578900528 | Student in an Organized Health Care Education/Training Program | Aurora, CO | 2013 |
| Amy McMahon | 1649464579 | Physical Therapist | Barnegat, NJ | 2007 |
| Amy McMahon | 1730872334 | Registered Dietitian | Meridianville, AL | 2023 |
| Amy McMahon, LPC | 1841065190 | Professional Counselor | League City, TX | 2023 |
| Amy McMahon, M.A. | 1891138731 | Speech-Language Pathologist | Burlington, WA | 2013 |
| Anah McMahon, L.AC. | 1568759959 | Acupuncturist | Burlington, IL | 2011 |
| Andre McMahon, PHARMD | 1255911848 | Pharmacist | Sarasota, FL | 2021 |
| Andrea McMahon, MD | 1184287815 | Psychiatry Physician | Fayetteville, AR | 2019 |
| Andrea McMahon, LISW-S | 1467856880 | Clinical Social Worker | Columbus, OH | 2014 |
| Andrea McMahon, LCPC | 1528756194 | Counselor | Lenexa, KS | 2023 |
| Angela McMahon | 1205355278 | Addiction (Substance Use Disorder) Counselor | Visalia, CA | 2017 |
| Angelina McMahon | 1073269361 | Behavior Technician | Rapid City, SD | 2022 |
| Ann McMahon, CCC SLP | 1144346107 | Speech-Language Pathologist | Port Townsend, WA | 2007 |
| Ann McMahon | 1265097802 | Clinical Social Worker | Harwich Port, MA | 2019 |
| Ann McMahon, AUD | 1326199670 | Audiologist | Storrs, CT | 2007 |
| Ann McMahon | 1669347100 | School Counselor | Chico, CA | 2025 |
| Ann McMahon, NP | 1730343187 | Nurse Practitioner | Boston, MA | 2008 |
| Ann McMahon, OTR/L | 1962764043 | Occupational Therapist | Seattle, WA | 2012 |
| Anna McMahon, LPC | 1609116334 | Professional Counselor | Ruston, LA | 2013 |
| Anne McMahon, PHARMD | 1619455458 | Pharmacotherapy Pharmacist | Denver, CO | 2018 |
| Anne McMahon | 1720441629 | Student in an Organized Health Care Education/Training Program | Savannah, GA | 2016 |
| Anne-Marie McMahon, MS CCCSLP | 1073771218 | Speech-Language Pathologist | Saint Louis, MO | 2008 |
| Annemarie McMahon | 1245953728 | Surgical Physician Assistant | Madison, WI | 2022 |
| Anthony McMahon, PSYD | 1366910739 | Clinical Psychologist | Aurora, CO | 2018 |
| Anthony McMahon, PH.D. | 1578965109 | Clinical Psychologist | Mentor, OH | 2014 |
| Antonina McMahon, OTR/L | 1376866632 | Occupational Therapist | Depew, NY | 2010 |
| April McMahon | 1053272062 | Behavior Technician | Fairfield, CA | 2025 |
| April McMahon, LCSW | 1184963340 | Clinical Social Worker | Hartsdale, NY | 2013 |
| Ashley McMahon | 1427884170 | Social Worker | Cleveland, OH | 2024 |
| Ashley McMahon | 1740839141 | Physical Therapist | Belmar, NJ | 2019 |
| Ashley McMahon, LMT | 1851050728 | Massage Therapist | Hillsboro, OR | 2021 |
| Ashley McMahon, DPH | 1942820386 | Pharmacist | Broken Arrow, OK | 2020 |
| Ashley McMahon, MOT, OTR/L | 1952024895 | Occupational Therapist | Orland Park, IL | 2022 |
| Aubrey McMahon, PA | 1548737372 | Physician Assistant | Indianapolis, IN | 2018 |
| Aubry McMahon | 1083580625 | Clinical Social Worker | Indian Trail, NC | 2025 |
| Audrey McMahon | 1467282384 | Student in an Organized Health Care Education/Training Program | Chicago, IL | 2024 |
| Barbara McMahon | 1205401825 | Day Training/Habilitation Specialist | Santa Maria, CA | 2021 |
| Barbara McMahon, M.S., LMHC | 1548446685 | Mental Health Counselor | Huntington, NY | 2008 |
| Bartholomew McMahon, PTA | 1255684833 | Physical Therapy Assistant | North Las Vegas, NV | 2012 |
| Benjamin McMahon, MD | 1639865421 | Psychiatry Physician | Washington, DC | 2023 |
| Bernadette McMahon | 1285179739 | Pediatric Occupational Therapist | Bronx, NY | 2016 |
| Bethany McMahon, LCSW | 1134091523 | Clinical Social Worker | Turners Falls, MA | 2025 |
| Bethany McMahon | 1447934286 | Behavior Technician | Garden Grove, CA | 2023 |
| Bethany McMahon, PT | 1598843443 | Physical Therapist | San Diego, CA | 2006 |
| Beverly McMahon, R.N. | 1154521946 | Registered Nurse | Nashville, TN | 2007 |
| Blaithin McMahon, MD PH,D. | 1922395037 | Nephrology Physician | Charleston, SC | 2011 |
| Bradley McMahon | 1063386241 | Behavior Technician | San Diego, CA | 2025 |
| Bradley McMahon, PT | 1740362383 | Physical Therapist | Appleton, WI | 2006 |
| Brandon McMahon, M.D. | 1619981768 | Hematology (Internal Medicine) Physician | Aurora, CO | 2006 |
| Breanna McMahon, PA-C | 1588333090 | Physician Assistant | Fort Washington, PA | 2021 |
| Brenda McMahon, M.D. | 1235108754 | Family Medicine Physician | Gainesville, FL | 2006 |
| Brenda McMahon, M.D. | 1376972745 | Physical Medicine & Rehabilitation Physician | Mars, PA | 2013 |
| Brenda McMahon | 1437606654 | Licensed Practical Nurse | Worthington, OH | 2016 |
| Brenda McMahon, M.S/C.C.C-SLP | 1528395084 | Speech-Language Pathologist | Amarillo, TX | 2009 |
| Brendan McMahon, DC | 1659324309 | Chiropractor | Toledo, OH | 2006 |
| Brenna McMahon, PT, DPT, CSCS | 1346674629 | Physical Therapist | Anchorage, AK | 2013 |
| Brenna McMahon | 1760311443 | Speech-Language Pathologist | Maplewood, MN | 2026 |
| Brent McMahon, PT | 1356852883 | Physical Therapist | San Marino, CA | 2017 |
| Brett McMahon | 1184196420 | Behavior Analyst | Anaheim, CA | 2018 |
| Brett McMahon, FNP-BC | 1801434873 | Nurse Practitioner | Detroit, MI | 2019 |
| Brian McMahon, PT | 1114090222 | Physical Therapist | Camarillo, CA | 2006 |
| Brian McMahon, LMFT | 1205395928 | Mental Health Counselor | Kansas City, MO | 2019 |
| Brian McMahon | 1386112159 | Personal Care Attendant | East Lansing, MI | 2018 |
| Brian McMahon, MD | 1427093574 | Internal Medicine Physician | Anchorage, AK | 2006 |
| Brian McMahon, M.D. | 1457325607 | Pediatrics Physician | Staten Island, NY | 2006 |
| Brian McMahon, MD | 1801839550 | Emergency Medicine Physician | Patchogue, NY | 2006 |
| Brian McMahon | 1861902165 | Mental Health Counselor | Milford, MA | 2017 |
| Brian McMahon | 1932813565 | Pharmacist | Lutz, FL | 2023 |
| Brian McMahon, PT, DPT | 1992631949 | Physical Therapist | Arvada, CO | 2026 |
| Brianna McMahon | 1376478743 | Family Nurse Practitioner | West Warwick, RI | 2026 |
| Brianna McMahon | 1821895822 | Behavior Analyst | Staten Island, NY | 2025 |
| Brianne McMahon, OTD, OTR/L | 1639770522 | Occupational Therapist | Anchorage, AK | 2020 |
| Bridget McMahon, FNP | 1124807706 | Family Nurse Practitioner | Chicago, IL | 2023 |
| Bridget McMahon | 1790492643 | Pediatric Nurse Practitioner | Seattle, WA | 2022 |
| Bridgette McMahon, FNP-BC | 1982344735 | Nurse Practitioner | Sewell, NJ | 2022 |
| Brittany McMahon | 1659099976 | Occupational Therapist | Troy, OH | 2022 |
| Brittany McMahon | 1780271312 | Pharmacist | Grand Rapids, MI | 2020 |
| Brittany McMahon | 1891213146 | Social Worker | Southgate, MI | 2017 |
| Brooke McMahon | 1215762067 | Pharmacist | North Venice, FL | 2024 |
| Bryan McMahon, LAC | 1154782506 | Acupuncturist | Portland, OR | 2016 |
| Bryan McMahon, DPT | 1629408539 | Physical Therapist | Willowbrook, IL | 2013 |
| Bryn McMahon, APN | 1649717992 | Nurse Practitioner | Skokie, IL | 2017 |
| Caitlin McMahon | 1124631569 | Behavior Technician | Laurel, MD | 2020 |
| Caitlin McMahon | 1609243070 | Speech-Language Pathologist | Farmington Hills, MI | 2015 |
| Caitlin McMahon, APN | 1679100028 | Nurse Practitioner | Camden, NJ | 2020 |
| Caitlin McMahon, OTR/L | 1740433754 | Pediatric Occupational Therapist | Owego, NY | 2008 |
| Callie McMahon, PAC | 1003867086 | Surgical Physician Assistant | Brunswick, ME | 2006 |
| Cara McMahon, MA | 1053113365 | Specialist | Getzville, NY | 2025 |
| Cara McMahon, MS | 1760270490 | Mental Health Counselor | Philadelphia, PA | 2025 |
| Carly McMahon | 1063102739 | Behavior Technician | Garden Grove, CA | 2023 |
| Carol McMahon, RN | 1336738533 | Registered Nurse | Charlestown, RI | 2021 |
| Caroline McMahon, ARNP | 1811657133 | Nurse Practitioner | Iowa City, IA | 2021 |
| Caroline McMahon, LPCC | 1922827823 | Mental Health Counselor | Paonia, CO | 2024 |
| Carolyn McMahon, FNP | 1447424767 | Family Nurse Practitioner | New Hartford, NY | 2008 |
| Carrie McMahon, O.D. | 1407062904 | Optometrist | Delaware, OH | 2007 |
| Carrie McMahon | 1770721086 | Registered Dietitian | Saginaw, MI | 2009 |
| Carrie McMahon | 1952712994 | Certified Registered Nurse Anesthetist | Spokane, WA | 2014 |
| Carrie McMahon, PA-C | 1992860449 | Medical Physician Assistant | York, PA | 2006 |
| Cary McMahon, NP | 1285791665 | Pediatric Nurse Practitioner | Washington, DC | 2007 |
| Casey McMahon, LICSW | 1518455740 | School Counselor | Holbrook, MA | 2018 |
| Casey McMahon, MSN, CRNP, FNP-C | 1811665433 | Family Nurse Practitioner | Baltimore, MD | 2021 |
| Cassidy McMahon | 1396536793 | Behavior Technician | Newton, MA | 2025 |
| Catherine McMahon, LCSW | 1215086202 | Clinical Social Worker | New Rochelle, NY | 2007 |
| Catherine McMahon, MSW | 1548535164 | Social Worker | Syracuse, NY | 2012 |
| Catherine McMahon, RDH | 1720304652 | Dental Hygienist | Denver, CO | 2010 |
| Cathleen McMahon, RN | 1639451990 | School Registered Nurse | Schenectady, NY | 2011 |
| Celia McMahon, RBT | 1376485268 | Behavior Technician | Marquette, MI | 2026 |
| Chadd McMahon, MD | 1972782951 | Vascular & Interventional Radiology Physician | Sartell, MN | 2007 |
| Chari McMahon, LCSW | 1861891046 | Clinical Social Worker | San Jose, CA | 2014 |
| Charity McMahon, D.C. | 1295919777 | Chiropractor | Fitchburg, WI | 2007 |
| Charles McMahon, M.D. | 1639168735 | Ophthalmology Physician | Colorado Springs, CO | 2005 |
| Charles McMahon, M.D. | 1861768053 | Gastroenterology Physician | Kansas City, MO | 2012 |
| Chelsea McMahon, LPA | 1760135222 | Psychologist | San Antonio, TX | 2022 |
| Chelsea McMahon, MA | 1861895757 | Counselor | Mount Vernon, IL | 2014 |
| Christina McMahon, PA-C | 1356277412 | Physician Assistant | Danbury, CT | 2026 |
| Christina McMahon, CASAC-MASTER | 1598654618 | Addiction (Substance Use Disorder) Counselor | Massapequa Park, NY | 2025 |
| Christine McMahon, LCSW; LICSW | 1144500182 | Clinical Social Worker | Lacey, WA | 2011 |
| Christine McMahon, MD | 1356600464 | Hematology & Oncology Physician | Aurora, CO | 2012 |
| Christine McMahon, MA, CCC-SLP | 1366948127 | Speech-Language Pathologist | Broadlands, VA | 2018 |
| Christine McMahon | 1528784717 | Mental Health Counselor | Williamsport, PA | 2022 |
| Christine McMahon | 1538902317 | Dentist | Middleton, WI | 2024 |
| Christine McMahon, FNP-C | 1649268277 | Family Nurse Practitioner | Gardner, MA | 2005 |
| Christine McMahon, PSY.D | 1952321697 | Clinical Psychologist | Beaumont, CA | 2006 |
| Christopher McMahon, PA | 1295075794 | Medical Physician Assistant | Alma, MI | 2013 |
| Christopher McMahon, APA-C | 1700420833 | Physician Assistant | Ft Carson, CO | 2019 |
| Ciara McMahon, PT | 1104946722 | Physical Therapist | Somerville, MA | 2007 |
| Cindy McMahon, MS | 1104255249 | Occupational Therapist | El Cajon, CA | 2013 |
| Cindy McMahon, PA-C | 1124276142 | Medical Physician Assistant | Grass Valley, CA | 2008 |
| Cindy McMahon, NP-C | 1427386788 | Family Nurse Practitioner | Scottdale, PA | 2009 |
| Claire McMahon | 1023581592 | Counselor | Cincinnati, OH | 2019 |
| Claire McMahon | 1023817145 | Behavior Technician | Boston, MA | 2025 |
| Claire McMahon, M.D, F.A.A.P., FACC | 1275640518 | Pediatric Cardiology Physician | Ogden, UT | 2006 |
| Claire McMahon, NP | 1679098107 | Family Nurse Practitioner | Charlottesville, VA | 2017 |
| Clare McMahon, PHARMD | 1376068031 | Pharmacist | Madison, WI | 2017 |
| Clare McMahon, MSOT, OTR/L | 1467912725 | Occupational Therapist | Oak Lawn, IL | 2019 |
| Cletus McMahon, M.D. | 1285602953 | Orthopaedic Surgery Physician | Oak Ridge, TN | 2006 |
| Cody McMahon, DPT | 1154779940 | Physical Therapist | Sioux Falls, SD | 2016 |
| Colin McMahon, MD | 1225618150 | Emergency Medicine Physician | Detroit, MI | 2021 |
| Colin McMahon, MD | 1427015650 | Internal Medicine Physician | Lockport, NY | 2006 |
| Colleen McMahon, OTR/L | 1245633981 | Occupational Therapist | Ashland, VA | 2014 |
| Colleen McMahon | 1407285281 | Massage Therapist | Lake Grove, NY | 2013 |
| Colleen McMahon, PHD | 1679061931 | Psychologist | Ankeny, IA | 2018 |
| Colleen McMahon | 1922559012 | Psychiatric/Mental Health Nurse Practitioner | Diamondhead, MS | 2016 |
| Colm McMahon, MB BAO BCH | 1437391588 | Diagnostic Radiology Physician | Boston, MA | 2009 |
| Connette McMahon, MD | 1245334499 | Obstetrics & Gynecology Physician | Fayetteville, NC | 2006 |
| Connor McMahon, MD | 1558065060 | Psychiatry Physician | Rochester, MN | 2023 |
| Connor McMahon, PT | 1821658030 | Physical Medicine & Rehabilitation Physician | Newark, OH | 2019 |
| Conrad McMahon | 1679062590 | Emergency Medicine Physician | Buffalo, NY | 2018 |
| Constance McMahon | 1376401638 | Behavior Technician | Baltimore, MD | 2026 |
| Corey McMahon | 1528430311 | Behavior Analyst | Lincoln, RI | 2015 |
| Cori McMahon, PSYD | 1104054675 | Addiction Psychiatry Physician | Camden, NJ | 2009 |
| Cori McMahon, PA | 1356418123 | Physician Assistant | Anaheim, CA | 2006 |
| Corrie McMahon, FNP | 1104423094 | Family Nurse Practitioner | Wauconda, IL | 2020 |
| Cory McMahon, APRN | 1679176002 | Family Nurse Practitioner | Fordyce, AR | 2020 |
| Courtney McMahon, PA-C | 1104523141 | Medical Physician Assistant | Indianapolis, IN | 2023 |
| Courtney McMahon | 1255134573 | Student in an Organized Health Care Education/Training Program | Worcester, MA | 2025 |
| Courtney McMahon, PTA | 1750226742 | Physical Therapy Assistant | Concord, NC | 2026 |
| Craig McMahon | 1265890115 | Other Technician | Monroe, MI | 2016 |
| Crystal McMahon, PT, DPT | 1003224072 | Physical Therapist | Clovis, CA | 2014 |
| Crystal McMahon, QMHP-R | 1447098041 | Mental Health Counselor | Portland, OR | 2024 |
| Curry McMahon | 1770034993 | Massage Therapist | Utica, NY | 2016 |
| Cynthia McMahon, RN | 1306234117 | Registered Nurse | Lewes, DE | 2014 |
| Cynthia McMahon, PT | 1609075209 | Physical Therapist | Southington, CT | 2007 |
| Cynthia McMahon, RPH | 1619064474 | Pharmacist | North Franklin, CT | 2006 |
| Cynthia McMahon | 1720274046 | Speech-Language Pathologist | Hanover, PA | 2007 |
| Cynthia McMahon | 1962322545 | Speech-Language Pathologist | Wautoma, WI | 2026 |
| Dana McMahon | 1356870802 | Social Worker | Gulf Breeze, FL | 2017 |
| Dana McMahon | 1588596894 | Registered Nurse | Clinton, IA | 2026 |
| Daniel McMahon, PA-C | 1083020572 | Physician Assistant | Jacksonville, FL | 2014 |
| Daniel McMahon, PHARMD | 1124621883 | Pharmacist | Deptford, NJ | 2020 |
| Daniel McMahon, MD | 1225049455 | Family Medicine Physician | Iron Mountain, MI | 2006 |
| Daniel McMahon, M.D. | 1386089720 | Family Medicine Physician | Holly Springs, GA | 2013 |
| Daniel McMahon, M.D. | 1528087996 | Urology Physician | Akron, OH | 2006 |
| Daniel McMahon | 1558295139 | Independent Duty Corpsman | San Diego, CA | 2026 |
| Daniel McMahon, RN | 1568917144 | Registered Nurse | Lake Mills, WI | 2016 |
| Daniel McMahon, M.D. | 1700025251 | Surgery Physician | Mobile, AL | 2009 |
| Daniel McMahon, M.D. | 1700181401 | Emergency Medicine Physician | Napa, CA | 2011 |
| Daniel McMahon, MD | 1720002140 | Pediatric Hematology & Oncology Physician | Charlotte, NC | 2006 |
| Danielle McMahon | 1295202588 | Mental Health Counselor | Puyallup, WA | 2018 |
| Danielle McMahon | 1629902218 | Behavior Technician | Fresno, CA | 2026 |
| Darby McMahon | 1023783727 | Behavior Technician | Hayward, CA | 2021 |
| Darren McMahon, LSW | 1952722894 | Clinical Social Worker | Woodbury, NJ | 2013 |
| David McMahon, M.D. | 1033174339 | Internal Medicine Physician | Grove City, OH | 2006 |
| David McMahon, BC-HIS | 1164098398 | Hearing Instrument Specialist | New Haven, CT | 2021 |
| David McMahon, DO | 1457662249 | Psychiatry Physician | Green Bay, WI | 2010 |
| David McMahon, MD | 1457888927 | Pediatrics Physician | Chicago, IL | 2017 |
| David McMahon, M.D. | 1760421762 | Psychiatry Physician | Beverly, MA | 2006 |
| David McMahon, AP | 1760776033 | Acupuncturist | Gainesville, FL | 2011 |
| David McMahon, M.D. | 1851431423 | Cardiovascular Disease Physician | Titusville, FL | 2007 |
| David McMahon, DPT | 1912373192 | Physical Therapist | Grand Rapids, MI | 2015 |
| Dawn McMahon, CRNP | 1578098125 | Adult Health Nurse Practitioner | Altoona, PA | 2017 |
| Dawn McMahon | 1861136459 | Speech-Language Pathologist | Clearwater, FL | 2022 |
| Deanna McMahon, FNP-C | 1215654744 | Primary Care Nurse Practitioner | Marblehead, MA | 2022 |
| Deborah McMahon | 1407821143 | Specialist | Pittsburgh, PA | 2006 |
| Deborah McMahon, BCBA | 1962780072 | Behavior Analyst | Excelsior Springs, MO | 2011 |
| Debra McMahon, PTA | 1871748301 | Specialist | Springville, NY | 2008 |
| Deena McMahon, LICSW | 1588659122 | Social Worker | Saint Paul, MN | 2005 |
| Deitra McMahon | 1780204842 | Counselor | Santa Cruz, CA | 2020 |
| Delaney McMahon, AUD | 1922844828 | Audiologist | Phoenix, AZ | 2024 |
| Deneshia McMahon | 1033710322 | Case Manager/Care Coordinator | Worthington, OH | 2020 |
| Denise McMahon | 1588008239 | Case Manager/Care Coordinator | Poughquag, NY | 2013 |
| Dennis McMahon | 1184984031 | Social Worker | Harrison, NY | 2012 |
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).