Providers Marnie Obrien, DO to Chelsea Obrock, BS
300 individual NPIs in the federal registry, part 16,078 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. 77 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Marnie Obrien, DO | 1679516496 | Ophthalmology Physician | Allentown, PA | 2006 |
| Martin Obrien, MARTIN OBRIEN | 1013224484 | Addiction (Substance Use Disorder) Counselor | Lewiston, ME | 2010 |
| Mary Obrien, MD | 1013992163 | Emergency Medicine Physician | Winston Salem, NC | 2005 |
| Mary Obrien, RN MSN CNM | 1083614994 | Advanced Practice Midwife | Holyoke, MA | 2005 |
| Mary Obrien, M.D. | 1114079118 | Internal Medicine Physician | New York, NY | 2007 |
| Mary Obrien, AUD,CCC-A | 1306117023 | Audiologist | Springdale, AR | 2012 |
| Mary Obrien | 1417474479 | Behavior Technician | Novi, MI | 2017 |
| Mary Obrien, LCSW | 1558541276 | School Social Worker | Northbrook, IL | 2007 |
| Mary Obrien | 1639912744 | Counselor | Basking Ridge, NJ | 2024 |
| Mary Obrien, DO | 1699860296 | Family Medicine Physician | Greeley, CO | 2006 |
| Mary Obrien, RPA-C | 1699969295 | Physician Assistant | Depew, NY | 2007 |
| Mary Obrien, SLP | 1710525647 | Speech-Language Pathologist | Chicago, IL | 2019 |
| Mary Obrien, OTRL, CHT | 1740352186 | Occupational Therapist | Chestnut Hill, MA | 2006 |
| Mary Obrien, APRN, FNP-C | 1740970359 | Family Nurse Practitioner | Oklahoma City, OK | 2023 |
| Mary Obrien | 1760058986 | Registered Nurse | Honeoye Falls, NY | 2021 |
| Mary Obrien, N.P. | 1780910349 | Psychiatric/Mental Health Nurse Practitioner | Jefferson Valley, NY | 2009 |
| Mary Obrien, CRNA | 1982692711 | Certified Registered Nurse Anesthetist | Iowa City, IA | 2005 |
| Mary Anne Obrien, CCCSLP | 1922266600 | Speech-Language Pathologist | Catonsville, MD | 2008 |
| Maryann Obrien | 1912364910 | Case Manager/Care Coordinator | Clifton Springs, NY | 2016 |
| Marybeth Obrien | 1568891430 | Registered Nurse | Arlington, MA | 2013 |
| Mathew Obrien, MSW | 1699691311 | Mental Health Counselor | Gainesville, FL | 2026 |
| Matthew Obrien, MD | 1306900378 | Internal Medicine Physician | Chicago, IL | 2006 |
| Matthew Obrien | 1376475897 | Behavior Analyst | Randolph, NJ | 2026 |
| Matthew Obrien, D.M.D. | 1497122501 | General Practice Dentistry | Hollidaysburg, PA | 2015 |
| Maureen Obrien, PHD | 1659956258 | Family Psychologist | Boston, MA | 2021 |
| Maureen Obrien, MSW | 1962486746 | Clinical Social Worker | Waterbury, CT | 2005 |
| McKenzie Obrien, DACM | 1609521467 | Acupuncturist | San Diego, CA | 2022 |
| Meagan Obrien, MD | 1538201819 | Infectious Disease Physician | New York, NY | 2007 |
| Megan Obrien | 1013839018 | Behavior Analyst | Carbondale, PA | 2026 |
| Megan Obrien, MD | 1033125588 | Pediatrics Physician | San Antonio, TX | 2006 |
| Megan Obrien, LICSW | 1104275544 | Clinical Social Worker | Alexandria, VA | 2016 |
| Megan Obrien, DO | 1659804193 | Diagnostic Radiology Physician | Saint Louis, MO | 2017 |
| Megan Obrien, CRNP | 1851979611 | Family Nurse Practitioner | Pittsburgh, PA | 2021 |
| Meghan Obrien | 1063189991 | Behavior Technician | Richardson, TX | 2021 |
| Meghan Obrien, DDS | 1194823112 | General Practice Dentistry | Antigo, WI | 2006 |
| Meghan Obrien, MD | 1427211341 | Dermatology Physician | New York, NY | 2008 |
| Meghan Obrien | 1609544212 | Pediatric Occupational Therapist | Malden, MA | 2021 |
| Melinda Obrien | 1215529714 | Counselor | Cincinnati, OH | 2021 |
| Melissa Obrien, PTA | 1841812161 | Physical Therapy Assistant | Howell, MI | 2020 |
| Melody Obrien | 1003222316 | Counselor | Weymouth, MA | 2014 |
| Michael Obrien, D.O. | 1164496238 | Orthopaedic Surgery Physician | Oklahoma City, OK | 2006 |
| Michael Obrien, MD | 1285628875 | Pediatrics Physician | Arlington Heights, IL | 2005 |
| Michael Obrien, MD | 1295793420 | Gastroenterology Physician | Clive, IA | 2006 |
| Michael Obrien, O.D. | 1306925029 | Optometrist | Southaven, MS | 2006 |
| Michael Obrien, ACNP-BC | 1376861971 | Acute Care Nurse Practitioner | Houston, TX | 2010 |
| Michael Obrien, CASAC | 1477835650 | Addiction (Substance Use Disorder) Counselor | Hamden, NY | 2011 |
| Michael Obrien, RN | 1538563010 | Registered Nurse | Loomis, CA | 2014 |
| Michael Obrien, R.PH. | 1578809752 | Pharmacist | Eau Claire, WI | 2012 |
| Michael Obrien, M.D. | 1952382228 | Neurology Physician | Redding, CA | 2005 |
| Michele Obrien, RPH | 1245514728 | Pharmacist | Rutland, VT | 2011 |
| Michele Obrien, COTA/L | 1811626104 | Occupational Therapy Assistant | Middle Village, NY | 2022 |
| Michelle Obrien, SLP/L | 1235674565 | Speech-Language Pathologist | Joliet, IL | 2016 |
| Michelle Obrien, LGPC | 1376039925 | Professional Counselor | Washington, DC | 2018 |
| Michelle Obrien, PT | 1508918582 | Physical Therapist | Williston, VT | 2007 |
| Michelle Obrien | 1972797223 | Speech-Language Pathologist | Batavia, IL | 2007 |
| Mikaela Obrien, RN | 1992411458 | General Practice Registered Nurse | Niobrara, NE | 2023 |
| Miles Obrien, LPC ASSOCIATE | 1134809569 | Professional Counselor | Colleyville, TX | 2023 |
| Mindy Obrien, PTA | 1669667358 | Physical Therapy Assistant | Braintree, MA | 2007 |
| Molly Obrien | 1063211084 | Behavior Technician | Aptos, CA | 2025 |
| Molly Obrien, LPCC | 1083456172 | Mental Health Counselor | Fort Collins, CO | 2024 |
| Monica Obrien, LMFT | 1134857139 | Marriage & Family Therapist | Davis, CA | 2022 |
| Morgan Obrien | 1154065860 | Peer Specialist | Marysville, OH | 2022 |
| Nancy Obrien, DMD | 1558432948 | Periodontics | Macon, GA | 2006 |
| Nancy Obrien, MFT | 1811163637 | Marriage & Family Therapist | Pleasant Hill, CA | 2008 |
| Natalie Obrien | 1245113539 | Case Manager/Care Coordinator | Buffalo, NY | 2025 |
| Nellaney Obrien, OTR/L, CHT | 1760018766 | Hand Occupational Therapist | Morristown, NJ | 2020 |
| Nicole Obrien, MD | 1013158112 | Pediatric Critical Care Medicine Physician | Columbus, OH | 2009 |
| Nicole Obrien, MFT | 1083293898 | Marriage & Family Therapist | Long Beach, NY | 2021 |
| Nicole Obrien, DS | 1699037234 | Specialist | Brockton, MA | 2012 |
| Nicole Obrien, RN | 1699384164 | Registered Nurse | Angola, NY | 2020 |
| Nicole Obrien | 1972480754 | Clinical Social Worker | Washington, DC | 2025 |
| Noel Obrien, DPM | 1003980749 | Podiatrist | San Francisco, CA | 2006 |
| Olivia Obrien | 1942197629 | Massage Therapist | Ronkonkoma, NY | 2025 |
| Pamela Obrien, RD/N | 1902657216 | Registered Dietitian | Floral Park, NY | 2024 |
| Pat Obrien, DC | 1063534634 | Chiropractor | Minneapolis, MN | 2007 |
| Patricia Obrien, REGISTERED DIETITIAN | 1063472512 | Registered Dietitian | Sacramento, CA | 2006 |
| Patricia Obrien, LCSW | 1083251185 | Clinical Social Worker | San Diego, CA | 2019 |
| Patricia Obrien, P.T., DPT, OCS | 1164421293 | Physical Therapist | Northampton, MA | 2005 |
| Patricia Obrien | 1245052901 | Social Worker | Hauppauge, NY | 2024 |
| Patricia Obrien, ARNP | 1265699573 | Nurse Practitioner | Sarasota, FL | 2008 |
| Patricia Obrien, PHD | 1346383130 | Psychologist | Chesterfield, MI | 2007 |
| Patricia Obrien, OT | 1376834952 | Pediatric Occupational Therapist | Morristown, NJ | 2011 |
| Patricia Obrien | 1477821981 | Clinical Social Worker | Rocky Point, NY | 2011 |
| Patricia Obrien, LPN | 1780131359 | Licensed Practical Nurse | Hilliard, OH | 2016 |
| Patricia Obrien | 1831275650 | Internal Medicine Physician | Burlington, VT | 2006 |
| Patrick Obrien, AUD | 1124230990 | Audiologist | Port St Lucie, FL | 2007 |
| Patrick Obrien, MD | 1265427496 | Cardiovascular Disease Physician | Appleton, WI | 2005 |
| Patrick Obrien, LCSW CAP | 1346292885 | Clinical Social Worker | Daytona Beach, FL | 2006 |
| Patrick Obrien, R.EEG. T,,CMA, B.S | 1487032009 | Electroneurodiagnostic Specialist/Technologist | Las Vegas, NV | 2015 |
| Patrick Obrien, RPH | 1598996027 | Pharmacist | Muskegon, MI | 2009 |
| Patrick Obrien, PT | 1942435359 | Physical Therapist | Baton Rouge, LA | 2009 |
| Paul Obrien, MSW | 1740755495 | Social Worker | Rutland, VT | 2018 |
| Paula Obrien, CAGS | 1285787788 | Mental Health Counselor | Fell River, MA | 2007 |
| Pauline Obrien | 1720484553 | Dental Hygienist | Templeton, MA | 2014 |
| Peter Obrien | 1366165755 | Mental Health Counselor | Middleboro, MA | 2022 |
| Peter Obrien, LICSW | 1487139416 | Clinical Social Worker | Dalton, MA | 2018 |
| Portia Obrien | 1285330530 | Behavior Technician | Oceanside, CA | 2023 |
| Rachel Obrien, AGNP | 1003396334 | Nurse Practitioner | Saint Louis, MO | 2018 |
| Rachel Obrien, OD | 1346968401 | Optometrist | Fort Myers, FL | 2022 |
| Randi Obrien, ARNP | 1457346108 | Psychiatric/Mental Health Nurse Practitioner | Spokane, WA | 2005 |
| Randi Obrien, RDN | 1669975801 | Registered Dietitian | Guilford, CT | 2018 |
| Raymond Obrien, PHD | 1639188451 | Psychologist | Kansas City, MO | 2006 |
| Rebecca Obrien | 1417722869 | Behavior Technician | Laguna Hills, CA | 2023 |
| Rebecca Obrien | 1669332508 | Counselor | Glendale, AZ | 2025 |
| Rebecca Obrien, RD | 1689184723 | Registered Dietitian | Houston, TX | 2017 |
| Regina Obrien, M.D. | 1548617350 | Dermatology Physician | Chicago, IL | 2016 |
| Renee Obrien, R.N. | 1184808917 | Case Management Registered Nurse | San Jose, CA | 2007 |
| Rhonda Obrien, ADVANCED REG NURSE P | 1437111671 | Family Medicine Physician | St Petersburg, FL | 2006 |
| Richard Obrien, DO | 1275589442 | Family Medicine Physician | Gloversville, NY | 2006 |
| Richard Obrien, A.T.,C, M.ED., P.T.A | 1285847202 | Athletic Trainer | Yakima, WA | 2007 |
| Richard Obrien, MD | 1518930551 | Family Medicine Physician | Belmont, NH | 2006 |
| Richard Obrien, MPSPT | 1750547675 | Physical Therapist | Liverpool, NY | 2008 |
| Robert Obrien, M.D. | 1003043027 | Family Medicine Physician | Austin, TX | 2009 |
| Robert Obrien, MD | 1265476659 | Diagnostic Radiology Physician | Roanoke, VA | 2006 |
| Robert Obrien, HIS | 1467191189 | Hearing Instrument Specialist | Glendale, CA | 2022 |
| Robert Obrien, PH.D. | 1780690149 | Clinical Psychologist | Austin, TX | 2006 |
| Robert Obrien, RPH | 1790801124 | Pharmacist | Chicopee, MA | 2007 |
| Robert Obrien, BCBA | 1861211864 | Behavior Analyst | Jersey City, NJ | 2024 |
| Robert Obrien, PT | 1952487720 | Physical Therapist | Warwick, RI | 2006 |
| Robert Obrien, MD | 1962489252 | Family Medicine Physician | Dothan, AL | 2005 |
| Robin Obrien | 1053124446 | Registered Nurse | West Lafayette, IN | 2025 |
| Robin Obrien | 1114720562 | Peer Specialist | Niles, OH | 2025 |
| Rosanna Obrien | 1760705289 | Pharmacist | Poughquag, NY | 2010 |
| Rose Obrien, CRNA | 1235153073 | Certified Registered Nurse Anesthetist | East Norriton, PA | 2006 |
| Rose Obrien, AGNP | 1710424817 | Gerontology Nurse Practitioner | Abbottstown, PA | 2017 |
| Rosemary Obrien, M.S. CF-SLP | 1336740984 | Speech-Language Pathologist | Knoxville, TN | 2020 |
| Sabrina Obrien | 1770450165 | Behavior Technician | Santa Ana, CA | 2025 |
| Samantha Obrien | 1174276240 | Recreation Therapist | Brewster, NY | 2022 |
| Samantha Obrien, DC | 1780305425 | Chiropractor | Cedar Park, TX | 2022 |
| Samantha Obrien | 1932910601 | Medical Physician Assistant | Springfield, MA | 2025 |
| Samuel Obrien | 1417615162 | Sports Medicine (Physical Medicine & Rehabilitation) Physician | Newton, MA | 2021 |
| Sara Obrien | 1316821812 | Behavior Technician | Farmington Hills, MI | 2025 |
| Sara Obrien, DMD | 1538645809 | Endodontics | Mc Kees Rocks, PA | 2018 |
| Sara Obrien, NURSE PRACTITIONER | 1891522272 | Family Nurse Practitioner | Beverly Hills, CA | 2024 |
| Sarah Obrien, NP | 1316945686 | Family Nurse Practitioner | Scottsdale, AZ | 2005 |
| Sarah Obrien | 1558165415 | School Counselor | Lincoln, NE | 2025 |
| Sean Obrien, DDS | 1033236559 | General Practice Dentistry | Canton, MI | 2007 |
| Sean Obrien, BC-HIS | 1336940006 | Hearing Instrument Specialist | Elmira, NY | 2025 |
| Sean Obrien, LCSW | 1770820714 | Clinical Social Worker | East Brunswick, NJ | 2013 |
| Sean Obrien, MD | 1952368896 | Vascular Surgery Physician | Kalamazoo, MI | 2006 |
| Serenity Selena Obrien | 1124772892 | Marriage & Family Therapist | Roseville, CA | 2022 |
| Seth Obrien | 1477443125 | Behavior Technician | Chicago, IL | 2025 |
| Shane Obrien, OD | 1720072705 | Optometrist | Quarryville, PA | 2005 |
| Shanice Obrien | 1043811979 | Student in an Organized Health Care Education/Training Program | New York, NY | 2020 |
| Shannon Obrien, RD | 1023609120 | Metabolic Nutrition Registered Dietitian | Chicago, IL | 2021 |
| Shannon Obrien | 1568968998 | Assistant Behavior Analyst | Wilbraham, MA | 2018 |
| Shannon Obrien | 1619361565 | Behavior Analyst | Mountlake Terrace, WA | 2015 |
| Shannon Obrien | 1861976425 | Occupational Therapist | Centennial, CO | 2018 |
| Sharleen Obrien, PSY.D. | 1932288842 | Clinical Psychologist | Santa Barbara, CA | 2006 |
| Sharon Obrien, DNP, APRN, FNP-BC | 1023647443 | Family Nurse Practitioner | Chicago, IL | 2020 |
| Sharon Obrien | 1275120081 | Pharmacist | Wakefield, MA | 2020 |
| Sharon Obrien, OTR/L | 1609729771 | Occupational Therapist | Raymond, NH | 2026 |
| Sheila Obrien, D.C.,B.S. | 1063653400 | Chiropractor | Yonkers, NY | 2009 |
| Sheila Obrien, REGISTERED NURSE | 1225218589 | Registered Nurse | Crestview Hills, KY | 2007 |
| Shelby Obrien | 1790484699 | Behavior Technician | Monrovia, CA | 2023 |
| Sherrie Obrien, LMFT | 1598898009 | Marriage & Family Therapist | Gardena, CA | 2007 |
| Stacey Obrien, LPC, NCC | 1336006428 | Professional Counselor | Lees Summit, MO | 2026 |
| Stacy Obrien | 1679364558 | Behavior Technician | Bingham Farms, MI | 2025 |
| Stephanie Obrien, PC | 1568660108 | Mental Health Counselor | Slc, UT | 2007 |
| Stephen Obrien, DDS | 1295815868 | General Practice Dentistry | Grapevine, TX | 2006 |
| Stephen Obrien, MD | 1962448050 | Family Medicine Physician | Enfield, CT | 2006 |
| Steven Obrien, MD | 1174623193 | Internal Medicine Physician | Glenwood Springs, CO | 2006 |
| Steven Obrien, PSYD | 1285814210 | Clinical Psychologist | Clearwater, FL | 2007 |
| Suellen Obrien, PT | 1295942894 | Physical Therapist | Federal Way, WA | 2007 |
| Susan Obrien, RN | 1013405794 | Addiction (Substance Use Disorder) Registered Nurse | Red Bank, NJ | 2018 |
| Susan Obrien, LPC | 1134615826 | Counselor | Southgate, MI | 2018 |
| Susan Obrien, M.D. | 1528001112 | Family Medicine Physician | Greeneville, TN | 2006 |
| Susan Obrien, RPH | 1538093562 | Pharmacist | Lehigh Acres, FL | 2026 |
| Susan Obrien, OTR/L | 1619463122 | Occupational Therapist | King Ferry, NY | 2018 |
| Suzanne Obrien, CFNP | 1831194117 | Family Nurse Practitioner | Alexandria, VA | 2005 |
| Sydney Obrien | 1942046065 | Behavior Technician | Sacramento, CA | 2024 |
| Tamara Obrien, CNP | 1619213527 | Family Nurse Practitioner | Mankato, MN | 2012 |
| Tara Obrien, LCSW | 1144855669 | Clinical Social Worker | Rochester, NY | 2020 |
| Tara Obrien, PT, DPT | 1255884797 | Physical Therapist | San Pedro, CA | 2016 |
| Taryn Obrien | 1255008918 | Social Worker | Tulsa, OK | 2021 |
| Teresa Obrien, LSCSW, LCSW-R | 1023040250 | Clinical Social Worker | Wichita, KS | 2006 |
| Terrance Obrien, PHD | 1710105713 | Marriage & Family Therapist | East Syracuse, NY | 2007 |
| Thomas Obrien, LPN | 1053822981 | Licensed Practical Nurse | Gainesville, FL | 2017 |
| Thomas Obrien, MA MSW LICSW | 1104936889 | Psychologist | Brewster, MA | 2006 |
| Thomas Obrien, RPH | 1336465244 | Pharmacist | Brooklyn, NY | 2010 |
| Thomas Obrien, LPC, LADC | 1417225566 | Counselor | Meriden, CT | 2011 |
| Thomas Obrien, O.D. | 1598771537 | Optometrist | Chicago Ridge, IL | 2006 |
| Thomas Obrien, MD | 1750323911 | Sports Medicine (Neuromusculoskeletal Medicine) Physician | Nashville, TN | 2006 |
| Thomas Obrien, MA,ATC | 1902023161 | Athletic Trainer | Richmond, VA | 2007 |
| Thomas Obrien, M.D. | 1912946765 | Neonatal-Perinatal Medicine Physician | Baltimore, MD | 2006 |
| Thomas Obrien | 1932982568 | General Practice Registered Nurse | New York, NY | 2023 |
| Thomas Obrien, MD | 1952322588 | Internal Medicine Physician | Toms River, NJ | 2006 |
| Tiffany Obrien | 1053146647 | Homemaker | Lower Salem, OH | 2024 |
| Timothy Obrien, LAT, ATC | 1255741674 | Athletic Trainer | Mayville, ND | 2014 |
| Timothy Obrien, DDS, MD | 1487910733 | Oral and Maxillofacial Surgery (Dentist) | Boise, ID | 2012 |
| Timothy Obrien, LMHC | 1508968637 | Mental Health Counselor | Vancouver, WA | 2006 |
| Timothy Obrien, C.P.O. | 1609803758 | Prosthetist | Durango, CO | 2006 |
| Tiscia Obrien, PARAMEDICAL TECH | 1043092455 | Other Technician | Southlake, TX | 2023 |
| Todd Obrien, MD | 1992733927 | Orthopaedic Surgery Physician | Peabody, MA | 2006 |
| Tracy Obrien, CNM | 1437402237 | Advanced Practice Midwife | Saint Paul, MN | 2012 |
| Tracy Obrien | 1952096026 | Occupational Therapy Assistant | Monticello, NY | 2023 |
| Valerie Obrien | 1275735375 | Mental Health Counselor | Derry, NH | 2007 |
| Valerie Obrien | 1770223588 | Mental Health Counselor | Westampton, NJ | 2022 |
| Valessa Obrien, RDH | 1609727718 | Dental Hygienist | Las Vegas, NV | 2026 |
| Veronica Obrien, AMFT | 1740967363 | Counselor | Aptos, CA | 2023 |
| Victoria Obrien, LMHC, NCC | 1073011979 | Mental Health Counselor | Honolulu, HI | 2018 |
| Victoria Obrien | 1164900361 | Mental Health Counselor | Prestonsburg, KY | 2018 |
| Vince Obrien, ATC | 1043422686 | Case Manager/Care Coordinator | Columbus, OH | 2007 |
| Wendy Obrien, RDN, LDN | 1265947576 | Registered Dietitian | Saint Paul, MN | 2017 |
| William Obrien, PH.D. | 1023181633 | Health Service Psychologist | Bowling Green, OH | 2006 |
| William Obrien, M.D. | 1578524963 | Internal Medicine Physician | Broken Arrow, OK | 2006 |
| William Obrien, DC | 1659449247 | Chiropractor | East Stroudsburg, PA | 2006 |
| William Obrien, DMD | 1710991278 | General Practice Dentistry | Leominster, MA | 2006 |
| William Obrien, LCSW | 1851707582 | Clinical Social Worker | New York, NY | 2014 |
| Yleana Obrien, MASTERS DEGREE | 1467224477 | Specialist | Long Beach, NY | 2023 |
| Yvette Obrien | 1467097766 | Licensed Practical Nurse | Kingston, NY | 2019 |
| Zane Obrien | 1144985425 | Physical Therapy Assistant | Greenville, PA | 2021 |
| Heather Obrien Daugherty, LMT | 1447958772 | Massage Therapist | Disney, OK | 2023 |
| Elizabeth Obrien Desiqueira | 1760220495 | Behavior Technician | Plainville, MA | 2024 |
| Arlene Obrien Finn, MALP | 1225115504 | Counseling Psychologist | Eden Prairie, MN | 2006 |
| Elizabeth Obrien Gallagher, ST | 1245355189 | Speech-Language Pathologist | Chicago, IL | 2007 |
| Kathleen Obrien Hayes, LPN | 1588426423 | Licensed Practical Nurse | Kirkland, WA | 2024 |
| Michael Obrien Jr | 1598847725 | Optometrist | San Pedro, CA | 2006 |
| Catherine Obrien Yaffa, LMSW | 1861326431 | Social Worker | West Cornwall, CT | 2026 |
| Barbara Obrien Young, RN | 1629104310 | Psychiatric/Mental Health Registered Nurse | Pittsburgh, PA | 2007 |
| Tammy Obrien-Allen, LBSW | 1407099914 | Social Worker | Marquette, MI | 2009 |
| Kathleen Obrien-Ausman, D.D.S. | 1902863491 | General Practice Dentistry | Omaha, NE | 2006 |
| Laurie Obrien-Casey | 1578121489 | Professional Counselor | Universal City, TX | 2019 |
| Teresa Obrien-Conley, LCSW CADC | 1376542746 | Clinical Social Worker | Grethel, KY | 2005 |
| Noreen Obrien-Duggan | 1801488903 | Community Health Worker | Homer, AK | 2021 |
| Judith Obrien-Heyworth, M.D. | 1912913989 | Internal Medicine Physician | Chicago, IL | 2006 |
| Carla Obrien-Jay | 1588932107 | Registered Nurse | Santa Rosa, CA | 2011 |
| Susan Obrien-Malen, MS | 1952416976 | Addiction (Substance Use Disorder) Counselor | Roseburg, OR | 2006 |
| Karen Obrien-Mazza, LPN | 1700108545 | Licensed Practical Nurse | Syracuse, NY | 2010 |
| Catherine Obrien-Steffy, SLP | 1730573130 | Speech-Language Pathologist | Somerset, PA | 2015 |
| Tyle Obrient | 1073335147 | Behavior Technician | Stockton, CA | 2024 |
| Dylan Obrigewitch | 1407320021 | Student in an Organized Health Care Education/Training Program | Mandan, ND | 2019 |
| Jeana Obrigewitch | 1912782996 | Case Manager/Care Coordinator | Mandan, ND | 2023 |
| Miles Obrigewitch, HIS | 1336013432 | Hearing Instrument Specialist | Appleton, WI | 2025 |
| Jesse Obright, PHARMD | 1376104604 | Pharmacist | Saint Cloud, MN | 2019 |
| Tracy Obright | 1376294942 | Physical Therapy Assistant | Coon Rapids, MN | 2022 |
| Nicole Obrine, RN | 1699546754 | Registered Nurse | Yakima, WA | 2024 |
| Alan Obringer, RPH | 1831488980 | Pharmacist | Palm Harbor, FL | 2011 |
| Alicia Obringer, RDN | 1033756689 | Registered Dietitian | Bellevue, KY | 2019 |
| Angela Obringer, PH. D. | 1255320867 | Genetic Counselor (M.S.) | Morgantown, WV | 2005 |
| Benjamin Obringer, DO | 1629912142 | Student in an Organized Health Care Education/Training Program | Hartford, CT | 2026 |
| Blake Obringer, DMD | 1891628285 | Dentist | Norwalk, OH | 2026 |
| Christine Obringer | 1194224220 | Occupational Therapist | Pittsburgh, PA | 2018 |
| Jennifer Obringer, MA, CCC-SLP | 1801315510 | Speech-Language Pathologist | North Royalton, OH | 2017 |
| Kelly Obringer, SLP | 1104567916 | Speech-Language Pathologist | Boise, ID | 2022 |
| Kelly Obringer | 1497140602 | Physical Therapist | Omaha, NE | 2015 |
| Kimberly Obringer, AUD | 1407342264 | Audiologist | Ontario, OH | 2018 |
| Leah Obringer, LMHC | 1730635798 | Mental Health Counselor | Brandon, FL | 2016 |
| Meg Obringer, OT/L | 1033973979 | Occupational Therapist | New Washington, OH | 2024 |
| Ronald Obringer, PHARMD, RPH | 1184131666 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Pittsburgh, PA | 2018 |
| Samuel Obringer, DO | 1053014654 | Student in an Organized Health Care Education/Training Program | Springfield, MA | 2023 |
| Sara Obringer, CRNP | 1376301465 | Psychiatric/Mental Health Nurse Practitioner | Mc Murray, PA | 2024 |
| Sarah Obringer | 1093604159 | Family Nurse Practitioner | Columbus, OH | 2025 |
| Shanda Obringer, LPN | 1003352964 | Licensed Practical Nurse | Piqua, OH | 2017 |
| Terrence Obringer, DO | 1073510293 | Pulmonary Disease Physician | Monroeville, PA | 2005 |
| Allen Obrinsky, MD | 1831180132 | Pediatrics Physician | San Ramon, CA | 2005 |
| Diana Obrinsky, M.D. | 1780705871 | Pediatrics Physician | Oakland, CA | 2007 |
| Kristen Obrinsky, P.T. | 1851749618 | Physical Therapist | Walnut Creek, CA | 2016 |
| Trevor Obrinsky | 1730838541 | Student in an Organized Health Care Education/Training Program | Portland, OR | 2022 |
| Brennan Obrion | 1639044985 | Student in an Organized Health Care Education/Training Program | New York, NY | 2025 |
| John Robert Obrique, CNA | 1902307853 | Nurse's Aide | Kaysville, UT | 2018 |
| Ronald Obrique, PHARMD. | 1083048235 | Pharmacist | North Las Vegas, NV | 2013 |
| Abigail Obrist, OTR | 1134001233 | Occupational Therapist | Syracuse, NY | 2025 |
| Brian Obrist, LIMHP, LCSW, PA-C | 1205024155 | Physician Assistant | Columbus, NE | 2007 |
| Emily Obrist, PHARM.D. | 1164770384 | Pharmacist | Buffalo, NY | 2012 |
| Erika Obrist, NP | 1386321875 | Family Nurse Practitioner | Syracuse, NY | 2023 |
| Jason Obrist | 1679844989 | Counselor | Corvallis, OR | 2012 |
| Jennifer Obrist | 1508639253 | Attendant Care Provider | Lincoln, NE | 2023 |
| Kandi Obrist | 1699085209 | Mental Health Counselor | Medford, OR | 2010 |
| Laurie Obrist, MS, CCC-SLP | 1255577417 | Speech-Language Pathologist | Syracuse, NY | 2008 |
| Sara Obrist, LMSW, MFT | 1235609512 | Social Worker | Syracuse, NY | 2018 |
| Allison Obritsch, PA-C | 1831877737 | Physician Assistant | Dickinson, ND | 2023 |
| Andrew Obritsch, MD | 1821662594 | Family Medicine Physician | Mason City, IA | 2021 |
| Brian Obritsch, DO | 1184313801 | Emergency Medicine Physician | Rochester, MN | 2023 |
| Jerry Obritsch, MD | 1093769291 | Obstetrics & Gynecology Physician | Bismarck, ND | 2006 |
| Maranda Obritsch | 1396419883 | Physical Therapist | Mobridge, SD | 2021 |
| Marilee Obritsch, PHARM.D. | 1457573172 | Pharmacotherapy Pharmacist | Tulsa, OK | 2007 |
| Noelle Obritsch, MD | 1558943894 | Pediatrics Physician | Rochester, MN | 2021 |
| Blaise Obritz, OT | 1922044007 | Occupational Therapist | Pittsburgh, PA | 2006 |
| Chris Obritz, CST/FA | 1467647966 | Surgical Technologist | Colorado Springs, CO | 2007 |
| Catherine Obrocea, PSY.D. | 1245214840 | Clinical Neuropsychologist | Gaithersburg, MD | 2005 |
| Gabriela Obrocea, M.D. | 1396766580 | Psychiatry Physician | Woodland Hills, CA | 2006 |
| Mihail Obrocea, M.D. | 1942284559 | Hematology & Oncology Physician | Valencia, CA | 2005 |
| Angela Obrochta, M.ED. CCC/SLP | 1114987856 | Speech-Language Pathologist | Oakland Park, FL | 2006 |
| Brian Obrochta, D.O. | 1912136656 | Surgery Physician | Sheboygan, WI | 2009 |
| Genevieve Obrochta, M.D. | 1508898685 | Anesthesiology Physician | Chicago Heights, IL | 2006 |
| George Obrochta, DO | 1124606389 | Emergency Medicine Physician | Fort Defiance, AZ | 2021 |
| Jeanne Obrochta, LCSW | 1912954736 | Clinical Social Worker | Winfield, IL | 2006 |
| Karen Obrochta, PT | 1265574636 | Physical Therapist | Laurel, MD | 2007 |
| Lauren Obrochta | 1083022701 | Massage Therapist | Yorkville, IL | 2014 |
| Lukasz Obrochta, LCSW | 1437604568 | Clinical Social Worker | Chicago, IL | 2016 |
| Melanie Obrochta, LCSW | 1023858479 | Clinical Social Worker | Chicago, IL | 2024 |
| Melissa Obrochta, D.M.D. | 1265621015 | General Practice Dentistry | Miami Lakes, FL | 2007 |
| Nicole Obrochta | 1336952530 | Developmental Therapist | Mount Prospect, IL | 2025 |
| Sheridan Obrochta | 1861027187 | Speech-Language Pathologist | Fort Myers, FL | 2020 |
| Stephen Obrochta, D.D.S. | 1992728513 | General Practice Dentistry | St Petersburg, FL | 2006 |
| Stuart Obrochta | 1659419026 | Pharmacist | Seattle, WA | 2007 |
| Thomas Obrochta | 1396232757 | Specialist | Victor, NY | 2018 |
| Blake Obrock, D.O. | 1770879843 | Orthopaedic Surgery Physician | Flagstaff, AZ | 2011 |
| Chelsea Obrock, BS | 1427368802 | Student in an Organized Health Care Education/Training Program | Westerville, OH | 2010 |
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).