Providers Jeannette Brennan to Lisa Brennan
300 individual NPIs in the federal registry, part 2,539 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. 103 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Jeannette Brennan | 1083551196 | School Counselor | Mission Viejo, CA | 2026 |
| Jeannette Brennan, LCSW | 1699874875 | Clinical Social Worker | Indianapolis, IN | 2006 |
| Jeannine Brennan, NP | 1558399402 | Adult Health Nurse Practitioner | Phoenix, AZ | 2006 |
| Jeffrey Brennan, M.D. | 1013238674 | Anesthesiology Physician | Leawood, KS | 2010 |
| Jennifer Brennan, DC | 1124591714 | Chiropractor | Cary, NC | 2019 |
| Jennifer Brennan | 1205158052 | Developmental Therapist | La Grange, IL | 2010 |
| Jennifer Brennan, RD, LD | 1295624922 | Registered Dietitian | Lees Summit, MO | 2025 |
| Jennifer Brennan, WOMEN'S HEALTH N. P. | 1316241680 | Women's Health Nurse Practitioner | Poughkeepsie, NY | 2010 |
| Jennifer Brennan, BCBA | 1346739539 | Behavior Analyst | Stuart, FL | 2018 |
| Jennifer Brennan, LMSW | 1508747320 | Social Worker | Utica, NY | 2025 |
| Jennifer Brennan, NP | 1518349554 | Psychiatric/Mental Health Nurse Practitioner | Saint Albans, VT | 2015 |
| Jennifer Brennan, DPT | 1609351964 | Physical Therapist | Durham, NC | 2018 |
| Jennifer Brennan, PT | 1619507191 | Physical Therapist | Williamsville, NY | 2020 |
| Jennifer Brennan, FNP | 1730804907 | Nurse Practitioner | Wallace, NC | 2022 |
| Jennifer Brennan, RD, CDN | 1750606273 | Registered Dietitian | New York, NY | 2010 |
| Jennifer Brennan, DPT | 1801562228 | Physical Therapist | Evergreen Park, IL | 2021 |
| Jennifer Brennan, LAT ATC | 1801841549 | Athletic Trainer | Indianapolis, IN | 2006 |
| Jennifer Brennan, LICSW | 1821155565 | Clinical Social Worker | Whitman, MA | 2007 |
| Jennifer Brennan, AGNPPC-BC | 1922550383 | Primary Care Nurse Practitioner | Broomall, PA | 2016 |
| Jennifer Brennan, LCSW | 1942630017 | Clinical Social Worker | Westport, CT | 2013 |
| Jennifer Brennan, M.S., OTR | 1952439077 | Occupational Therapist | Eatontown, NJ | 2007 |
| Jennifer Brennan, LICSW | 1992868293 | Clinical Social Worker | Worcester, MA | 2006 |
| Jeremiah Brennan, MS, LCSW, CSAC | 1891193397 | Clinical Social Worker | Wahiawa, HI | 2014 |
| Jeremy Brennan, D.C. | 1124170949 | Chiropractor | Tulsa, OK | 2007 |
| Jerry Brennan, PH.D. | 1063517324 | Psychologist | Honolulu, HI | 2006 |
| Jessica Brennan, PA-C | 1043882954 | Physician Assistant | Washington, DC | 2021 |
| Jessica Brennan | 1073162350 | Dental Hygienist | Tamaqua, PA | 2019 |
| Jessica Brennan, NP | 1225239684 | Pediatric Nurse Practitioner | San Francisco, CA | 2007 |
| Jessica Brennan, LMT, CD, LCCE | 1265276521 | Doula | Bloomfield, NJ | 2024 |
| Jessica Brennan, PSYD | 1316376452 | Clinical Psychologist | Moraga, CA | 2013 |
| Jessica Brennan, PHARM D | 1366441784 | Pharmacist | Tacoma, WA | 2005 |
| Jessica Brennan, LCSW | 1376843318 | Clinical Social Worker | Scotia, NY | 2010 |
| Jessica Brennan, MS, OTR/L | 1396145066 | Occupational Therapist | Carbondale, PA | 2014 |
| Jessica Brennan | 1750922431 | Social Worker | Everett, WA | 2019 |
| Jessica Brennan, MA | 1821456633 | Professional Counselor | Santa Fe, NM | 2016 |
| Jessica Brennan, PSY.D. | 1962958967 | Clinical Psychologist | Chicago, IL | 2016 |
| Jessie Brennan, CPRSR-FE, CPSS | 1215792585 | Peer Specialist | Minneapolis, MN | 2024 |
| Jill Brennan, PTA | 1740739952 | Physical Therapy Assistant | Bend, OR | 2016 |
| Jillian Brennan, MS | 1033958103 | Mental Health Counselor | Wexford, PA | 2024 |
| Jillian Brennan, M.D. | 1942520796 | Hospitalist Physician | Burlington, VT | 2010 |
| Joan Brennan, RNP | 1609983857 | Family Nurse Practitioner | Cranston, RI | 2006 |
| Joanne Brennan | 1083547814 | Addiction (Substance Use Disorder) Counselor | Bayville, NJ | 2026 |
| Joanne Brennan, LAADC | 1558023853 | Addiction (Substance Use Disorder) Counselor | Santa Ana, CA | 2021 |
| Joanne Brennan, RN, CPN | 1649455155 | Pediatric Registered Nurse | Brightwaters, NY | 2008 |
| Jody Brennan, DDS | 1154400356 | Dentist | Seattle, WA | 2006 |
| Jody Brennan, CNM | 1891798187 | Advanced Practice Midwife | Cincinnati, OH | 2005 |
| Joel Brennan | 1619615358 | Counselor | Lacey, WA | 2022 |
| John Brennan, DC | 1053420315 | Chiropractor | Becker, MN | 2006 |
| John Brennan, MD | 1154351153 | Nephrology Physician | Racine, WI | 2006 |
| John Brennan, MD | 1154353977 | Orthopaedic Surgery Physician | East Setauket, NY | 2006 |
| John Brennan, MD | 1306840178 | Family Medicine Physician | Somerset, PA | 2005 |
| John Brennan, M.D, P.A. | 1336123173 | Psychiatry Physician | Dallas, TX | 2005 |
| John Brennan, LO | 1346477395 | Optician | Wallingford, CT | 2009 |
| John Brennan, CRNA | 1356876718 | Certified Registered Nurse Anesthetist | Riverside, CA | 2017 |
| John Brennan, O.D. | 1366555021 | Optometrist | Okeechobee, FL | 2006 |
| John Brennan, LSC, LPC | 1467628453 | Professional Counselor | Woodbury, MN | 2008 |
| John Brennan | 1508205063 | Social Worker | Brockton, MA | 2013 |
| John Brennan, M.D. | 1508900069 | Pediatric Emergency Medicine (Emergency Medicine) Physician | West Orange, NJ | 2007 |
| John Brennan, PA-C | 1518244946 | Surgical Physician Assistant | Aurora, CO | 2011 |
| John Brennan, RPH | 1528236668 | Pharmacist | Staten Island, NY | 2008 |
| John Brennan, PSYD | 1538595244 | Clinical Psychologist | Wyandotte, MI | 2013 |
| John Brennan, D.C. | 1568454536 | Chiropractor | Oakdale, CA | 2005 |
| John Brennan, PHARMD. | 1578859773 | Pharmacist | Altamonte Springs, FL | 2011 |
| John Brennan, M.D. | 1649242389 | Anatomic Pathology & Clinical Pathology Physician | Dubuque, IA | 2006 |
| John Brennan, M.D. | 1689799447 | Obstetrics & Gynecology Physician | Brooklyn, NY | 2007 |
| John Brennan, MD | 1710966304 | Anatomic Pathology & Clinical Pathology Physician | Hazleton, PA | 2006 |
| John Brennan | 1770427262 | Clinical Psychologist | Easton, PA | 2026 |
| John Brennan, M.S. | 1801015185 | Mental Health Counselor | Ocala, FL | 2007 |
| John Brennan, MD | 1851339071 | Pulmonary Disease Physician | Exeter, NH | 2006 |
| John Brennan, D.M.D. | 1851478184 | General Practice Dentistry | Mercerville, NJ | 2006 |
| John Brennan, MD | 1891378345 | Molecular Genetic Pathology (Pathology) Physician | Salt Lake City, UT | 2021 |
| John Brennan, MD | 1891776977 | Family Medicine Physician | Onalaska, WI | 2005 |
| John Brennan, M.D. | 1932285772 | Ophthalmology Physician | Manhasset, NY | 2006 |
| John Michael Brennan, PTA, RMT, CPT | 1184812901 | Physical Therapy Assistant | Dallas, TX | 2007 |
| Jon Brennan, DPT | 1437670494 | Physical Therapist | Los Gatos, CA | 2017 |
| Jon Brennan, R-LCSW | 1659863868 | Mental Health Counselor | Center Moriches, NY | 2018 |
| Jonathan Brennan, BCBA | 1720546021 | Behavior Analyst | Brooklyn, OH | 2019 |
| Jonathan Brennan, MD, DMD, MPH | 1891057030 | General Practice Dentistry | Chandler, AZ | 2012 |
| Jonathan Brennan, DDS | 1962180646 | General Practice Dentistry | Shakopee, MN | 2023 |
| Jordan Brennan, RN, BSN | 1013549286 | Family Nurse Practitioner | Olathe, KS | 2020 |
| Joseph Brennan, D.D.S. | 1154440956 | General Practice Dentistry | Swanton, OH | 2007 |
| Joseph Brennan, PHARMD | 1184905127 | Pharmacist | Minneapolis, MN | 2011 |
| Joseph Brennan, PH.D. | 1215027594 | School Psychologist | Tucson, AZ | 2006 |
| Joseph Brennan, MD | 1235077868 | Student in an Organized Health Care Education/Training Program | Fort Walton Beach, FL | 2026 |
| Joseph Brennan, RPH | 1306625082 | Pharmacist | Broadview Heights, OH | 2023 |
| Joseph Brennan, M.D. | 1497727481 | Otolaryngology Physician | Lackland A F B, TX | 2006 |
| Joseph Brennan, MD | 1528057304 | Cardiovascular Disease Physician | Branford, CT | 2005 |
| Joseph Brennan, MD | 1659318400 | Diagnostic Radiology Physician | Tompkinsville, KY | 2006 |
| Joseph Brennan, PHARM.D. | 1699057448 | Pharmacist | Niagara Falls, NY | 2011 |
| Joseph Brennan, DNP, MBA | 1790328300 | Adult Health Nurse Practitioner | Afton, NY | 2019 |
| Joseph Brennan, PHARM.D. | 1790876316 | Pharmacist | Lawton, OK | 2006 |
| Joseph Brennan, MSN, CRNA | 1861917429 | Certified Registered Nurse Anesthetist | Palm Beach Gardens, FL | 2017 |
| Josephine Brennan | 1861168270 | Behavior Analyst | New York, NY | 2021 |
| Josette Brennan, M.A., CCC-SLP | 1255662136 | Speech-Language Pathologist | Brentwood, CA | 2010 |
| Joshua Brennan | 1467143271 | Behavior Technician | Marlborough, MA | 2023 |
| Joshua Brennan, DPT | 1669971719 | Physical Therapist | Allentown, PA | 2018 |
| Josie Brennan | 1043619984 | Clinical Social Worker | Winter Park, FL | 2014 |
| Joyce Brennan, PT | 1144310798 | Physical Therapist | Sun City, CA | 2006 |
| Judith Brennan, LMHC | 1134206725 | Mental Health Counselor | Stuart, FL | 2006 |
| Judith Brennan, PHARMD | 1770097099 | Pharmacist | Brattleboro, VT | 2017 |
| Judy Brennan, AMFT | 1437925724 | Marriage & Family Therapist | San Ramon, CA | 2023 |
| Julee Brennan, OT | 1942256813 | Occupational Therapist | Morton Grove, IL | 2006 |
| Julia Brennan, APN CANP | 1255509014 | Adult Health Nurse Practitioner | Burlington, VT | 2008 |
| Julia Brennan | 1427568302 | Physical Therapist | Charleston, SC | 2017 |
| Julia Brennan | 1497214704 | Student in an Organized Health Care Education/Training Program | Sioux Falls, SD | 2019 |
| Julia Brennan, M.D. | 1912561069 | Facial Plastic Surgery Physician | Hood River, OR | 2019 |
| Julia Brennan | 1982595179 | Behavior Technician | Farmington Hills, MI | 2025 |
| Juliana Brennan, MA | 1578444899 | Behavior Analyst | Whitestone, NY | 2025 |
| Julie Brennan, CNP | 1447362850 | Women's Health Nurse Practitioner | Youngstown, OH | 2006 |
| Julie Brennan, PHD | 1649327396 | Clinical Psychologist | Toledo, OH | 2007 |
| Julie Brennan | 1972854545 | Other Technician | Lapeer, MI | 2012 |
| Julienne Brennan, PT, DPT | 1457079501 | Physical Therapist | Midlothian, VA | 2022 |
| Juliet Brennan | 1316620404 | Behavior Technician | Tustin, CA | 2023 |
| Kailey Brennan | 1104402940 | Behavior Analyst | New York, NY | 2021 |
| Kailey Brennan, L.AC. | 1790265767 | Acupuncturist | Denver, CO | 2018 |
| Kaitlen Brennan, LAC | 1922542661 | Acupuncturist | Saint Paul, MN | 2016 |
| Kaitlin Brennan | 1194106757 | Speech-Language Pathologist | Greenwood Village, CO | 2015 |
| Kaitlin Brennan, SLP | 1912244625 | Speech-Language Pathologist | Ballston Spa, NY | 2013 |
| Kaitlyn Brennan | 1114513751 | Mental Health Counselor | San Andreas, CA | 2020 |
| Kaitlyn Brennan | 1144948084 | Case Manager/Care Coordinator | Cincinnati, OH | 2022 |
| Kaitlyn Brennan, NP-C | 1609218072 | Family Nurse Practitioner | Concord, MA | 2013 |
| Kaitlyn Brennan, DO, MPH | 1649664939 | Anesthesiology Physician | Nashville, TN | 2015 |
| Kaitlyn Brennan | 1811452766 | Mental Health Counselor | Pittsburgh, PA | 2019 |
| Kandyce Brennan, CNM, MSN | 1063024503 | Midwife | Durham, NC | 2020 |
| Kara Brennan, MSN, ARNP-BC | 1003245432 | Adult Health Nurse Practitioner | Bellevue, WA | 2013 |
| Kareena Brennan | 1912783614 | Behavior Technician | Fullerton, CA | 2023 |
| Karen Brennan, CRNA | 1023162328 | Registered Nurse | Rockport, ME | 2007 |
| Karen Brennan | 1265185573 | Case Management Registered Nurse | Oakland, CA | 2022 |
| Karen Brennan | 1356554901 | Chiropractor | Virginia Beach, VA | 2007 |
| Karen Brennan, LICSW, MSW | 1376645960 | Clinical Social Worker | Cranston, RI | 2006 |
| Karen Brennan, NC, BCHN, MSW | 1528589322 | Nutrition Education Nutritionist | Castle Rock, CO | 2017 |
| Karen Brennan, LCSW-R | 1700924958 | Clinical Social Worker | Geneva, NY | 2007 |
| Kari Brennan, R.D.H. | 1821374125 | Dental Hygienist | Meeker, CO | 2011 |
| Karissa Brennan, LMHC | 1588084966 | Mental Health Counselor | New York, NY | 2014 |
| Karli Brennan | 1215818190 | Behavior Technician | Saint Louis, MO | 2025 |
| Kate Brennan | 1528659711 | Physical Therapist | Albuquerque, NM | 2021 |
| Kate Brennan, MFT | 1922242437 | Marriage & Family Therapist | San Anselmo, CA | 2009 |
| Katelynn Brennan, CRNP | 1457205759 | Family Nurse Practitioner | Bryn Mawr, PA | 2026 |
| Katerina Brennan | 1922798552 | Behavior Technician | Escondido, CA | 2023 |
| Katherine Brennan | 1053150664 | Speech-Language Pathologist | Portland, OR | 2024 |
| Katherine Brennan, LCSW | 1134452170 | Clinical Social Worker | Brooklyn, NY | 2009 |
| Katherine Brennan | 1437018470 | Registered Dietitian | Drexel Hill, PA | 2026 |
| Katherine Brennan, MD | 1497241020 | Cardiovascular Disease Physician | Lafayette, LA | 2018 |
| Katherine Brennan, DPT | 1699922310 | Physical Therapist | Derby, KS | 2008 |
| Katherine Brennan, MA | 1720732977 | Mental Health Counselor | Grand Junction, CO | 2022 |
| Katherine Brennan | 1851534879 | Mental Health Counselor | Sacramento, CA | 2009 |
| Katherine Brennan | 1932502929 | Nurse Practitioner | Chicago, IL | 2014 |
| Kathleen Brennan | 1033353610 | Neonatal-Perinatal Medicine Physician | New York, NY | 2009 |
| Kathleen Brennan, DDS | 1063630333 | Dentist | Ann Arbor, MI | 2007 |
| Kathleen Brennan, BA, MA, ED.M | 1104114024 | Addiction (Substance Use Disorder) Counselor | Brockton, MA | 2011 |
| Kathleen Brennan, DPT | 1154275998 | Physical Therapist | San Diego, CA | 2026 |
| Kathleen Brennan, OTR | 1164853958 | Occupational Therapist | Jackson, MI | 2013 |
| Kathleen Brennan, PT, DPT | 1215662291 | Physical Therapist | Rochester, MN | 2022 |
| Kathleen Brennan, MD | 1306033741 | Reproductive Endocrinology Physician | Santa Monica, CA | 2007 |
| Kathleen Brennan, PA | 1356552954 | Medical Physician Assistant | Glenview, IL | 2007 |
| Kathleen Brennan, APRN-RX, FNP | 1447450036 | Family Nurse Practitioner | Honolulu, HI | 2007 |
| Kathleen Brennan, N.P. | 1467403964 | Nurse Practitioner | Rochester, NY | 2006 |
| Kathleen Brennan, LCPC | 1568636942 | Professional Counselor | Silver Spring, MD | 2008 |
| Kathleen Brennan, LCPC | 1649409004 | Professional Counselor | Chicago, IL | 2009 |
| Kathleen Brennan, DNP | 1710373113 | Family Nurse Practitioner | Pulaski, VA | 2015 |
| Kathleen Brennan | 1720624984 | Physical Rehabilitation Occupational Therapist | Rye, NY | 2019 |
| Kathleen Brennan, MD | 1891783882 | Pulmonary Disease Physician | Philadelphia, PA | 2005 |
| Kathleen Brennan, M.D. | 1922444900 | Family Medicine Physician | Portland, ME | 2013 |
| Kathryn Brennan, OT | 1013883917 | Occupational Therapist | Danvers, MA | 2025 |
| Kathryn Brennan | 1093160814 | Dentist | Saint Louis, MO | 2016 |
| Kathryn Brennan | 1235341140 | School Psychologist | Sunland Park, NM | 2007 |
| Kathryn Brennan, MD | 1588009351 | Internal Medicine Physician | Newport News, VA | 2013 |
| Kathryn Brennan | 1609997360 | Registered Nurse | McHenry, IL | 2007 |
| Kathryn Brennan, PT, DPT | 1679906945 | Physical Therapist | Kittery, ME | 2013 |
| Kathryn Brennan, NP | 1740953942 | Nurse Practitioner | Indianapolis, IN | 2021 |
| Kathryn Brennan, MSLP | 1932413655 | Speech-Language Pathologist | Jennings, LA | 2010 |
| Kathryn Brennan, MS | 1972143428 | Mental Health Counselor | Fall River, MA | 2020 |
| Katie Brennan, MS, CCC-SLP | 1104971175 | Speech-Language Pathologist | Omaha, NE | 2007 |
| Katie Brennan | 1265873319 | Primary Care Nurse Practitioner | Helena, MT | 2013 |
| Katie Brennan | 1295619112 | Behavior Technician | Monrovia, CA | 2025 |
| Katrina Brennan, RD, LD | 1578454310 | Registered Dietitian | Kansas City, KS | 2025 |
| Katrina Brennan, LMBT MMP | 1891064267 | Massage Therapist | Concord, NC | 2011 |
| Kayla Brennan | 1205633302 | Physical Therapist | Philadelphia, PA | 2025 |
| Kayla Brennan | 1740714237 | Behavior Analyst | Worcester, MA | 2017 |
| Kayla Brennan, MSN, CRNP | 1740799402 | Family Nurse Practitioner | Horsham, PA | 2017 |
| Kayleigh Brennan | 1407365067 | Counselor | Salt Lake City, UT | 2017 |
| Keith Brennan, D.C. | 1144535287 | Chiropractor | Clinton Twp, MI | 2010 |
| Keith Brennan, M.D. | 1659668580 | Internal Medicine Physician | Providence, RI | 2011 |
| Keith Brennan | 1710532312 | Counselor | Bayonne, NJ | 2019 |
| Keley Brennan | 1386480192 | Nurse Practitioner | Mooresville, NC | 2024 |
| Kelly Brennan, OTR/L | 1033468244 | Occupational Therapist | Plymouth Meeting, PA | 2012 |
| Kelly Brennan, MS, RD, LD | 1073944369 | Registered Dietitian | Incline Village, NV | 2013 |
| Kelly Brennan, PT | 1083619522 | Physical Therapist | Aberdeen, SD | 2005 |
| Kelly Brennan | 1154037976 | Behavior Analyst | Stony Point, NY | 2023 |
| Kelly Brennan, MS-CCC-SLP | 1164630075 | Speech-Language Pathologist | Shrewsbury, MA | 2007 |
| Kelly Brennan, PTA | 1174131098 | Physical Therapy Assistant | Scottsdale, AZ | 2020 |
| Kelly Brennan, MPAS, PA-C | 1235940453 | Physician Assistant | Iowa City, IA | 2025 |
| Kelly Brennan | 1376309039 | Physician Assistant | Arlington, TX | 2024 |
| Kelly Brennan, OT | 1477695518 | Occupational Therapist | Phoenix, AZ | 2007 |
| Kelly Brennan, MSN, ARNP | 1508314527 | Critical Care Pediatric Nurse Practitioner | Seattle, WA | 2016 |
| Kelly Brennan | 1619221462 | Occupational Therapy Assistant | Pittsburgh, PA | 2012 |
| Kelly Brennan, M.A., CCC-SLP | 1669126819 | Speech-Language Pathologist | Lakewood, NJ | 2022 |
| Kelly Brennan, FNP | 1730828948 | Family Nurse Practitioner | New London, CT | 2022 |
| Kelly Brennan, RBT | 1871100685 | Behavior Technician | Tampa, FL | 2020 |
| Kelly Brennan, PMHNP-BC | 1912505603 | Psychiatric/Mental Health Nurse Practitioner | Durango, CO | 2020 |
| Kelly Brennan, AU.D. | 1982052999 | Audiologist | Los Gatos, CA | 2016 |
| Kelsey Brennan | 1114606399 | Physician Assistant | Wolcott, CT | 2023 |
| Kelsey Brennan | 1194365403 | Counselor | Graham, WA | 2020 |
| Kelsey Brennan, ATC, LAT | 1376941021 | Athletic Trainer | Walla Walla, WA | 2014 |
| Kelsey Brennan | 1811465859 | Counselor | Seattle, WA | 2018 |
| Kendall Brennan, DDS | 1720165707 | Dentist | Georgetown, TX | 2006 |
| Kennedy Brennan | 1164226577 | Student in an Organized Health Care Education/Training Program | Lexington, KY | 2025 |
| Kenneth Brennan, MD | 1043251614 | Emergency Medical Services (Emergency Medicine) Physician | Kalamazoo, MI | 2006 |
| Kenneth Brennan, PHARM D | 1417405457 | Pharmacist | Madison, WI | 2016 |
| Kerin Brennan, CCC-SLP | 1952021313 | Speech-Language Pathologist | New York, NY | 2022 |
| Kerri Brennan | 1235318239 | Registered Nurse | Woonsocket, RI | 2007 |
| Kerry Brennan, CPNP | 1699028936 | Pediatric Nurse Practitioner | Naperville, IL | 2012 |
| Kevin Brennan, PSY.D. | 1093938805 | Psychologist | Glen Rock, NJ | 2007 |
| Kevin Brennan, M.D. | 1134144066 | Neurology Physician | Salt Lake City, UT | 2006 |
| Kevin Brennan, FNP-C | 1295828879 | Community Health Nurse Practitioner | Watertown, NY | 2006 |
| Kevin Brennan, MD | 1437264736 | Internal Medicine Physician | Wilmington, NC | 2006 |
| Kevin Brennan, DO | 1679215016 | Family Medicine Physician | Oakville, MO | 2022 |
| Kevin Brennan, PH.D. | 1861982365 | Counselor | Norwood, MA | 2018 |
| Kevin Brennan, CRNA | 1912796087 | Certified Registered Nurse Anesthetist | Danbury, CT | 2025 |
| Kiera Brennan, LMSW | 1144009325 | Social Worker | Hicksville, NY | 2023 |
| Kiera Brennan, MD | 1538818752 | Student in an Organized Health Care Education/Training Program | Bronx, NY | 2022 |
| Killian Brennan, RPH | 1861800732 | Pharmacist | Tempe, AZ | 2014 |
| Kimberly Brennan, APN | 1326707621 | Primary Care Nurse Practitioner | Ventnor City, NJ | 2021 |
| Kimberly Brennan, LPC | 1396279212 | Counselor | Norman, OK | 2017 |
| Kimberly Brennan, M.S., SLP-CFY | 1477745297 | Speech-Language Pathologist | Fort Smith, AR | 2007 |
| Kimberly Brennan, D.O. | 1487838744 | Medical Oncology Physician | Concord, MA | 2007 |
| Kimberly Brennan, CCMA | 1689228967 | Technician | Dickson City, PA | 2019 |
| Kimberly Brennan, PA-C | 1720472624 | Physician Assistant | Worcester, MA | 2015 |
| Kimberly Brennan, NP | 1720632847 | Psychiatric/Mental Health Nurse Practitioner | Louisville, CO | 2019 |
| Kimberly Brennan, MD | 1770520520 | Diagnostic Radiology Physician | Nashville, TN | 2006 |
| Kimberly Brennan | 1912879222 | Registered Nurse | Binghamton, NY | 2025 |
| Kimberly Brennan | 1992382014 | Student in an Organized Health Care Education/Training Program | Hicksville, NY | 2021 |
| Kindyle Brennan, PHD, PT | 1154305811 | Physical Therapist | Temple, TX | 2005 |
| Kirsten Brennan, MSN, RN | 1295404184 | Community Health Registered Nurse | Moon Township, PA | 2021 |
| Komila Brennan, PHD | 1285163378 | Clinical Psychologist | Baltimore, MD | 2017 |
| Krista Brennan, DPT | 1861193401 | Physical Therapist | Hoboken, NJ | 2023 |
| Kristen Brennan | 1134411697 | Speech-Language Pathologist | Glen Cove, NY | 2011 |
| Kristen Brennan, EMT | 1164108890 | Behavior Technician | Standish, MI | 2023 |
| Kristen Brennan, DO | 1366145617 | Hospitalist Physician | Milwaukee, WI | 2023 |
| Kristen Brennan, DC | 1437451267 | Chiropractor | Hillsboro, OR | 2010 |
| Kristen Brennan, LPC | 1811659543 | Professional Counselor | Conroe, TX | 2021 |
| Kristen Brennan, MS APRN NNP-BC | 1891385415 | Neonatal Nurse Practitioner | Columbus, OH | 2021 |
| Kristen Brennan | 1982309829 | Family Nurse Practitioner | Lansdale, PA | 2023 |
| Kristi Brennan | 1427816032 | Physical Therapist | Warminster, PA | 2024 |
| Kristi Brennan, PA-C | 1649815440 | Physician Assistant | Fort Wayne, IN | 2019 |
| Kristin Brennan, LMT | 1639420052 | Naturopath | Falmouth, ME | 2012 |
| Kristin Brennan, CPM, LM-RI | 1700370681 | Midwife | Springfield, MA | 2018 |
| Kristin Brennan, O.D. | 1871682351 | Optometrist | Warwick, RI | 2006 |
| Kristin Brennan, MD | 1922241009 | Anesthesiology Physician | Hershey, PA | 2009 |
| Kristin Brennan, LMSW | 1932472545 | Community Health Worker | Battle Creek, MI | 2012 |
| Kristina Brennan | 1083592224 | Counselor | Lawrence, MA | 2025 |
| Kristine Brennan, PT, DPT | 1982299061 | Physical Therapist | Raymond, NH | 2021 |
| Kristy Brennan, MS | 1376051995 | Specialist | Glens Falls, NY | 2018 |
| Kristy Brennan, LSW | 1902074313 | Social Worker | Las Vegas, NV | 2008 |
| Kurt Brennan, D.C. | 1053448647 | Chiropractor | Dorchester, MA | 2007 |
| Kyle Brennan, PHARM.D, | 1336535392 | Pharmacist | Ballwin, MO | 2015 |
| Kylee Brennan, PA-C | 1831784263 | Physician Assistant | Glendale, AZ | 2021 |
| Lachlan Brennan | 1437998341 | Student in an Organized Health Care Education/Training Program | Houston, TX | 2024 |
| Laci Brennan | 1164153615 | Student in an Organized Health Care Education/Training Program | Raleigh, NC | 2022 |
| Ladamoneek Brennan | 1922650340 | Behavior Analyst | Nottingham, MD | 2019 |
| Lanah Brennan, RD | 1548473994 | Registered Dietitian | Lafayette, LA | 2007 |
| Laura Brennan, F.N.P | 1235389826 | Family Nurse Practitioner | Sacramento, CA | 2008 |
| Laura Brennan, MD | 1275579013 | Pediatrics Physician | Abington, PA | 2006 |
| Laura Brennan, NP | 1285832972 | Family Nurse Practitioner | New York, NY | 2007 |
| Laura Brennan, PH.D. | 1316206311 | Clinical Neuropsychologist | Philadelphia, PA | 2012 |
| Laura Brennan, LMHC | 1417329525 | Mental Health Counselor | Syracuse, NY | 2015 |
| Laura Brennan, PH.D. | 1538701750 | Psychologist | Bowdoinham, ME | 2019 |
| Laura Brennan, LPTA | 1609377258 | Physical Therapy Assistant | Saginaw, MI | 2018 |
| Laura Brennan | 1902094378 | Pediatric Nurse Practitioner | St Simons Island, GA | 2007 |
| Laurel Brennan, OT | 1699905992 | Occupational Therapist | Frederick, MD | 2009 |
| Laurelle Brennan, RN | 1255705323 | School Registered Nurse | Sylvania, OH | 2015 |
| Lauren Brennan, LICSW | 1215319157 | Clinical Social Worker | Minneapolis, MN | 2015 |
| Lauren Brennan | 1518812155 | Behavior Technician | San Marcos, CA | 2026 |
| Lauren Brennan, PA-C | 1598389355 | Medical Physician Assistant | Bala Cynwyd, PA | 2020 |
| Lauren Brennan, FNP-C | 1790254068 | Family Nurse Practitioner | Cincinnati, OH | 2018 |
| Lauren Brennan, RN,MSN,CRNP, FNP-BC | 1801564646 | Family Nurse Practitioner | Annapolis, MD | 2021 |
| Lauren Brennan, APRN | 1811368194 | Family Nurse Practitioner | Farmington, CT | 2015 |
| Lauren Brennan | 1881288926 | Physical Therapist | McKeesport, PA | 2021 |
| Laurence Brennan, MSW | 1699787622 | Clinical Social Worker | Vancouver, WA | 2006 |
| Lauretta Brennan, PH.D. | 1366821167 | Clinical Psychologist | Alexandria, VA | 2015 |
| Laurie Brennan, OTR/L | 1912582495 | Occupational Therapist | San Diego, CA | 2021 |
| Lawrence Brennan, MD | 1417940735 | Medical Oncology Physician | Edgewood, KY | 2005 |
| Leah Brennan, LMFT, CADC | 1134456064 | Marriage & Family Therapist | Lincolnwood, IL | 2009 |
| Lee Brennan, PT | 1457358228 | Physical Therapist | Boulder, CO | 2005 |
| Leonard Brennan, LPC, LCAS | 1518323369 | Professional Counselor | Klamath Falls, OR | 2016 |
| Leonard Brennan, DMD | 1588844724 | General Practice Dentistry | Portland, ME | 2007 |
| Leslie Brennan, MS | 1104479369 | Developmental Therapist | Syracuse, NY | 2019 |
| Leslie Brennan, LICSW | 1649785320 | Clinical Social Worker | Beverly, MA | 2017 |
| Libby Brennan, NURSE | 1750544979 | Registered Nurse | Buffalo, NY | 2008 |
| Lillian Brennan, PHARMD | 1588186647 | Pharmacist | Syracuse, NY | 2017 |
| Linda Brennan, LCSW-R | 1225353121 | Clinical Social Worker | Bayside, NY | 2010 |
| Linda Brennan, PT | 1306980727 | Physical Therapist | Wichita, KS | 2007 |
| Linda Brennan, MFT | 1558550095 | Marriage & Family Therapist | North Hollywood, CA | 2007 |
| Linda Brennan, SPEECH PATHOLOGIST M | 1568615771 | Speech-Language Pathologist | Sidney, NY | 2008 |
| Lindsay Brennan, CRNA | 1033891825 | Certified Registered Nurse Anesthetist | Lancaster, PA | 2023 |
| Lindsay Brennan, MSW | 1194088013 | Clinical Social Worker | Ann Arbor, MI | 2012 |
| Lindsay Brennan, CPNP-PC | 1972391175 | Pediatric Nurse Practitioner | Columbus, OH | 2025 |
| Lindsey Brennan, RN | 1164193934 | Registered Nurse | Orlando, FL | 2021 |
| Lindsey Brennan, RN, BSN, CCM | 1639910474 | Case Management Registered Nurse | Gulfport, MS | 2024 |
| Lisa Brennan | 1013129733 | Developmental Therapist | Chicago, IL | 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).