Providers Jennifer Greenawalt, LPN to Andrew Greenberg, M.D.
300 individual NPIs in the federal registry, part 8,262 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. 94 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Jennifer Greenawalt, LPN | 1184759920 | Licensed Practical Nurse | Cheektowaga, NY | 2007 |
| Jodie Greenawalt | 1972098390 | Behavior Technician | Framingham, MA | 2018 |
| John Greenawalt, M.D. | 1699783795 | Internal Medicine Physician | Baltimore, MD | 2006 |
| Jonathan Greenawalt, LSW | 1184085839 | Addiction (Substance Use Disorder) Counselor | Lorain, OH | 2016 |
| Jonathan Greenawalt | 1750717641 | Physical Therapist | Pittsburgh, PA | 2013 |
| Karen Greenawalt | 1710417142 | Social Worker | Canton, OH | 2017 |
| Karrie Greenawalt, LPC | 1700340395 | Professional Counselor | Conroe, TX | 2019 |
| Kevin Greenawalt | 1154138345 | Mental Health Counselor | Connellsville, PA | 2024 |
| Kimberly Greenawalt, ACNP-BC | 1578831954 | Nurse Practitioner | Jacksonville, FL | 2011 |
| Kristen Greenawalt, BS PHARM | 1689266546 | Pharmacist | Wilmington, OH | 2021 |
| Kristina Greenawalt | 1841958444 | Speech-Language Pathologist | Dallas, TX | 2021 |
| Kyle Greenawalt, MSPT | 1801059506 | Physical Medicine & Rehabilitation Physician | Pottsville, PA | 2008 |
| Laine Greenawalt, RD | 1588174098 | Registered Dietitian | Pittsburgh, PA | 2017 |
| Marissa Greenawalt | 1093453177 | Behavior Technician | Prosper, TX | 2022 |
| Naomi Greenawalt | 1528201605 | Physical Therapist | Denver, CO | 2009 |
| Nicole Greenawalt, PA-C | 1508805235 | Physician Assistant | Tucson, AZ | 2006 |
| Noah Greenawalt | 1194649921 | Counselor | Ashtabula, OH | 2026 |
| Paul Greenawalt, DDS | 1700948551 | Oral and Maxillofacial Surgery (Dentist) | Silverdale, WA | 2006 |
| Ronald Greenawalt, D.C., D.A.B.C.O. | 1891779302 | Orthopedic Chiropractor | Las Vegas, NV | 2005 |
| Rosalinda Greenawalt | 1427369065 | Physical Therapy Assistant | Stafford, TX | 2010 |
| Sarah Greenawalt, MSW | 1538056759 | Social Worker | South Bend, IN | 2025 |
| Shelly Greenawalt, COTA/L | 1770964678 | Occupational Therapy Assistant | Evanston, IL | 2015 |
| Tasheena Greenawalt | 1770843039 | Rehabilitation Practitioner | Las Vegas, NV | 2012 |
| Victoria Greenawalt | 1295609097 | Physician Assistant | Pittsburgh, PA | 2025 |
| Zita Greenawalt, RN | 1770262321 | General Practice Registered Nurse | Ridgway, PA | 2023 |
| Alyssa Greenaway | 1285465781 | Pharmacist | Conway, PA | 2024 |
| Angela Greenaway, DDS | 1164432266 | General Practice Dentistry | Fishers, IN | 2006 |
| April Greenaway | 1225793862 | Behavior Technician | Cocoa, FL | 2021 |
| Brendan Greenaway, PA | 1841632072 | Physician Assistant | Ann Arbor, MI | 2013 |
| Brittany Greenaway | 1487363602 | Behavior Technician | Carlsbad, CA | 2022 |
| Bryan Greenaway, AU.D. | 1629476825 | Audiologist | Hillsboro, OR | 2014 |
| Christine Greenaway, RNCNP | 1679600639 | Obstetrics & Gynecology Physician | Westminster, CO | 2007 |
| Danielle Greenaway, LPN | 1003354499 | Licensed Practical Nurse | Brighton, MA | 2017 |
| David Greenaway, PHD | 1124076237 | Clinical Psychologist | Atlanta, GA | 2006 |
| Dominique Greenaway | 1992229405 | Behavior Analyst | Dedham, MA | 2017 |
| Dori Greenaway | 1417125659 | Mental Health Counselor | Bellingham, WA | 2008 |
| Elbert Greenaway | 1619331550 | Student in an Organized Health Care Education/Training Program | Albany, NY | 2016 |
| Elise Greenaway, LCSW | 1497002281 | Clinical Social Worker | Pleasanton, CA | 2012 |
| Elizabeth Greenaway | 1043937774 | Mental Health Counselor | Pasco, WA | 2022 |
| Elvie Greenaway | 1073983946 | Registered Nurse | Brooklyn, NY | 2015 |
| Foustina Greenaway, M.S | 1366296493 | Counselor | Pleasantville, NY | 2024 |
| Glenford Greenaway | 1720836943 | Psychiatric/Mental Health Nurse Practitioner | Minneapolis, MN | 2024 |
| Hamish Greenaway, MD | 1457671356 | Anesthesiology Physician | Seattle, WA | 2010 |
| Janae Greenaway, RBT | 1770204166 | Behavior Technician | Miami, FL | 2022 |
| Jovan Greenaway, LPN | 1962069674 | Licensed Practical Nurse | Rochester, NY | 2019 |
| Katie Greenaway, RN | 1437649753 | Registered Nurse | Willoughby, OH | 2018 |
| Khalid Greenaway | 1972945921 | Mental Health Counselor | Greensboro, NC | 2013 |
| Lisa Greenaway, LPN | 1215373535 | Licensed Practical Nurse | Barberton, OH | 2013 |
| Mary Greenaway | 1356208839 | Student in an Organized Health Care Education/Training Program | Columbia, SC | 2026 |
| Megan Greenaway, LOTR | 1487227344 | Pediatric Occupational Therapist | San Diego, CA | 2021 |
| Michael Greenaway, MD | 1104812890 | Diagnostic Radiology Physician | Norwich, CT | 2005 |
| Nikki Greenaway, NP | 1841541257 | Perinatal Nurse Practitioner | Houston, TX | 2012 |
| Sarah Greenaway, APRN, CNP | 1962865626 | Nurse Practitioner | McHenry, IL | 2016 |
| Sharon Greenaway | 1073147492 | Registered Nurse | Bronx, NY | 2020 |
| Staci Greenaway, LMFT | 1104113885 | Marriage & Family Therapist | Temecula, CA | 2011 |
| Verna Greenaway | 1558171454 | Social Worker | Doylestown, PA | 2025 |
| Vilma Greenaway | 1972491595 | Home Health Aide | Las Vegas, NV | 2025 |
| Wanda Greenaway, A-GNP-C | 1992483879 | Nurse Practitioner | Buffalo, NY | 2023 |
| Vesha Greenaway Grant | 1043615222 | Case Manager/Care Coordinator | Orlando, FL | 2014 |
| Mylie Greenbach, MS, LPC, RPT, NCC | 1912555012 | Counselor | Fort Worth, TX | 2019 |
| Alisa Greenbacher, CERTIFIED WELLNESS C | 1396695243 | Health & Wellness Coach | Northampton, MA | 2026 |
| Darius Greenbacher, MD | 1245337245 | Sports Medicine (Internal Medicine) Physician | Springfield, MA | 2006 |
| Emma Greenback | 1881168045 | Professional Counselor | Oklahoma City, OK | 2019 |
| Ashley Greenbacker | 1518260967 | Developmental Therapist | Pompano Beach, FL | 2010 |
| Laura Greenbank, M.ED | 1962829911 | Occupational Therapist | Glastonbury, CT | 2014 |
| Mallory Greenbank, BCBA | 1427620186 | Behavior Analyst | La Grange, IL | 2021 |
| Bruce Greenbarg | 1780148551 | Pharmacist | Boynton Beach, FL | 2019 |
| James Greenbarg, M.D. | 1619990355 | Surgery Physician | Turlock, CA | 2006 |
| Jeffrey Greenbarg, M.D. | 1942249461 | Psychiatry Physician | Palm Bay, FL | 2006 |
| Jennifer Greenbarg | 1346540457 | Developmental Therapist | Pompano Beach, FL | 2010 |
| Nancy Greenbarg, DMD | 1811102296 | Endodontics | Aventura, FL | 2007 |
| Rachel Greenbarg, PSY.D. | 1508415878 | Psychologist | Augusta, ME | 2019 |
| Julie Greenbauer-Wass | 1528836913 | Behavior Technician | Farmington Hills, MI | 2023 |
| Adam Greenbaum, MD | 1083057343 | Medical Oncology Physician | Seattle, WA | 2013 |
| Adam Greenbaum, M.D. | 1396813838 | Interventional Cardiology Physician | Atlanta, GA | 2006 |
| Addison Greenbaum | 1275451171 | Assistant Behavior Analyst | Atlanta, GA | 2026 |
| Adena Greenbaum | 1053578120 | Infectious Disease Physician | Baltimore, MD | 2008 |
| Aimee Greenbaum, PT | 1184909582 | Physical Therapist | Plymouth Meeting, PA | 2011 |
| Alan Greenbaum, CRNA | 1144312984 | Certified Registered Nurse Anesthetist | Nashville, TN | 2006 |
| Alan Greenbaum, PH.D. | 1174663348 | School Psychologist | Scottsdale, AZ | 2007 |
| Alan Greenbaum, ARNP NURSE PRACTITIO | 1467545632 | Nurse Practitioner | Seattle, WA | 2006 |
| Alayna Greenbaum, LMSW | 1477395614 | Social Worker | Baltimore, MD | 2024 |
| Alexandra Greenbaum | 1639980634 | Behavior Technician | Land O Lakes, FL | 2025 |
| Alissa Greenbaum, MD | 1851667042 | Surgical Oncology Physician | Albuquerque, NM | 2012 |
| Aliza Greenbaum, OTR/L | 1962744789 | Occupational Therapist | New York, NY | 2013 |
| Allen Greenbaum, M.D. | 1891739728 | Ophthalmology Physician | White Plains, NY | 2006 |
| Allison Greenbaum | 1821531781 | Electroneurodiagnostic Specialist/Technologist | Fairfield, NJ | 2016 |
| Anita Greenbaum, PSYS | 1508521568 | School Psychologist | Tampa, FL | 2021 |
| Arieh Greenbaum, MD | 1972921856 | Cardiovascular Disease Physician | Westwood, NJ | 2014 |
| Arielle Greenbaum, RDN | 1801372206 | Registered Dietitian | Belleville, NJ | 2018 |
| Arthur Greenbaum, P.T. | 1386684660 | Physical Therapist | Flushing, NY | 2006 |
| Arthur Greenbaum, M.D. | 1528036688 | Radiation Oncology Physician | Farrell, PA | 2006 |
| Avital Greenbaum, R.D., C.D.N | 1700153616 | Registered Dietitian | Forest Hills, NY | 2011 |
| Barbara Greenbaum, M.D. | 1386653335 | Pediatric Hematology & Oncology Physician | Voorhees, NJ | 2006 |
| Basya Greenbaum, LMSW | 1962007245 | Social Worker | Monsey, NY | 2020 |
| Bernard Greenbaum, DDS | 1265560346 | General Practice Dentistry | Bethesda, MD | 2007 |
| Bonita Greenbaum, LPCC | 1689896052 | Mental Health Counselor | Euclid, OH | 2007 |
| Brad Greenbaum, C.C.P. | 1801128566 | Perfusionist | Placentia, CA | 2010 |
| Brad Greenbaum, M.D. | 1801889274 | Pediatrics Physician | Nashville, TN | 2005 |
| Bradley Greenbaum, M.D. | 1942360268 | Sports Medicine (Orthopaedic Surgery) Physician | Henderson, NV | 2006 |
| Brandon Greenbaum | 1881310621 | Addiction (Substance Use Disorder) Counselor | Wheat Ridge, CO | 2022 |
| Brittany Greenbaum, PHD | 1699018143 | Clinical Psychologist | Vista, CA | 2013 |
| Brittany Greenbaum, D.O. | 1952793416 | Otolaryngology Physician | Casper, WY | 2015 |
| Bruce Greenbaum, DPM | 1598767600 | Primary Podiatric Medicine Podiatrist | Brooklyn, NY | 2005 |
| Carla Greenbaum | 1992880728 | Endocrinology, Diabetes & Metabolism Physician | Seattle, WA | 2006 |
| Chloe Greenbaum, PH.D. | 1104358696 | Health Service Psychologist | Cambridge, MA | 2017 |
| Claire Greenbaum | 1700618824 | Social Worker | New York, NY | 2024 |
| Clifford Greenbaum, D.P.M. | 1003990961 | Podiatrist | Milwaukee, WI | 2006 |
| Corey Greenbaum | 1164913901 | Social Worker | Athens, OH | 2018 |
| Dahlia Greenbaum | 1912568817 | Marriage & Family Therapist | Sherman Oaks, CA | 2019 |
| Daniel Greenbaum, DDS | 1164792453 | Prosthodontics | Fairfield, NJ | 2012 |
| Daniella Greenbaum, MSW | 1942037643 | Counselor | Tampa, FL | 2024 |
| David Greenbaum, M.D. | 1851392955 | Surgery Physician | Moorestown, NJ | 2005 |
| Devon Greenbaum, LAC | 1477037760 | Acupuncturist | New York, NY | 2018 |
| Dorothy Greenbaum, MD | 1730255472 | Pediatrics Physician | Howard Beach, NY | 2006 |
| Elyse Greenbaum, LCSW | 1871983981 | Clinical Social Worker | Chester, NJ | 2015 |
| Evan Greenbaum, MD | 1750511564 | Otolaryngology Physician | Chicago, IL | 2009 |
| Evie Greenbaum | 1255158382 | Medical Physician Assistant | New York, NY | 2024 |
| Gail Greenbaum, L.C.S.W. | 1518298546 | Clinical Social Worker | Morristown, NJ | 2010 |
| Gregory Greenbaum, M.D | 1982654067 | Emergency Medicine Physician | Sun City, AZ | 2006 |
| Hadasa Greenbaum, RN | 1831554294 | Registered Nurse | Suffern, NY | 2015 |
| Hannah Greenbaum, PH.D. | 1508511346 | Psychologist | Sacramento, CA | 2022 |
| Hannah Greenbaum, MA, OTR/L | 1609396340 | Pediatric Occupational Therapist | Santa Monica, CA | 2017 |
| Haviva Greenbaum, L.L.M.S.W. | 1659823946 | Clinical Social Worker | West Bloomfield, MI | 2016 |
| Iris Greenbaum, MSW | 1013012798 | Clinical Social Worker | Brkly, CA | 2006 |
| Iris Greenbaum, LCSW | 1508843863 | Clinical Social Worker | Griffith, IN | 2005 |
| Jamie Greenbaum | 1740586866 | Speech-Language Pathologist | Brooklyn, NY | 2011 |
| Jason Greenbaum, DMD | 1538796982 | General Practice Dentistry | Buxton, ME | 2020 |
| Jason Greenbaum, MD | 1649205493 | Emergency Medicine Physician | Stamford, CT | 2006 |
| Jeanine Greenbaum, LCSW-C | 1215083472 | Clinical Social Worker | Towson, MD | 2007 |
| Jeffrey Greenbaum, MD | 1649383001 | Emergency Medical Services (Emergency Medicine) Physician | Jackson, WY | 2006 |
| Jennifer Greenbaum, LPC | 1598154866 | Professional Counselor | Devon, PA | 2015 |
| Jessica Greenbaum, LMT | 1063780252 | Massage Therapist | Mount Desert, ME | 2011 |
| Jessica Greenbaum, LCSW | 1114539228 | Clinical Social Worker | Seattle, WA | 2020 |
| Jillian Greenbaum | 1518542984 | Occupational Therapist | Rockville, MD | 2021 |
| Joanna Greenbaum, LMFT | 1659126563 | Marriage & Family Therapist | Bozeman, MT | 2024 |
| Joel Greenbaum | 1699134601 | Behavior Analyst | Wesley Chapel, FL | 2016 |
| John Greenbaum, LCSW | 1366464117 | Clinical Social Worker | Wilkes Barre, PA | 2006 |
| Jordan Greenbaum, MD, MBA | 1184810533 | Orthopaedic Surgery Physician | Springfield, MA | 2007 |
| Jordyn Greenbaum | 1639984990 | Surgery Physician | Chicago, IL | 2025 |
| Joseph Greenbaum, D.D.S. | 1730241142 | General Practice Dentistry | Canton, MI | 2006 |
| Judyth Greenbaum, M.S. | 1801811070 | Genetic Counselor (M.S.) | West Islip, NY | 2006 |
| Julia Greenbaum, LMSW | 1902227325 | Clinical Social Worker | Berkley, MI | 2014 |
| Kenneth Greenbaum, DDS, MS | 1902889900 | Orthodontics and Dentofacial Orthopedics Dentistry | Salem, OR | 2005 |
| Kimberly Greenbaum | 1720971898 | Attendant Care Provider | Wheeling, WV | 2025 |
| Larry Greenbaum, MD | 1316927072 | Rheumatology Physician | Greenwood, IN | 2006 |
| Larry Greenbaum, DDS | 1508930306 | General Practice Dentistry | Chevy Chase, MD | 2006 |
| Laura Greenbaum, NP | 1063753481 | Women's Health Nurse Practitioner | Denver, CO | 2013 |
| Laura Greenbaum, M.D. | 1356363832 | Obstetrics & Gynecology Physician | Boynton Beach, FL | 2006 |
| Laura Greenbaum | 1902603608 | Professional Counselor | Stamford, CT | 2025 |
| Laurence Greenbaum, MD, PHD | 1447278742 | Pediatric Nephrology Physician | Atlanta, GA | 2006 |
| Leon Greenbaum, RPH | 1891026977 | Pharmacist | Tallman, NY | 2010 |
| Linda Greenbaum, MD | 1235143983 | Gastroenterology Physician | Phila, PA | 2006 |
| Ma'Ayan Greenbaum, PSY.D. | 1669590923 | Psychologist | Livingston, NJ | 2007 |
| Madeline Greenbaum | 1568229532 | Behavior Technician | El Segundo, CA | 2024 |
| Malka Greenbaum | 1396287645 | Behavior Analyst | Lakewood, NJ | 2016 |
| Marc Greenbaum, DDS | 1427094564 | Dentist | Lakewood, OH | 2006 |
| Maria Greenbaum, LMP | 1043519036 | Massage Therapist | Issaquah, WA | 2011 |
| Marianne Greenbaum, MD | 1558440453 | Diagnostic Radiology Physician | Seattle, WA | 2006 |
| Marie Greenbaum, D.O. | 1447217864 | Obstetrics & Gynecology Physician | Oregon, OH | 2006 |
| Mark Greenbaum, MD | 1003884180 | Specialist | Bronx, NY | 2006 |
| Mark Greenbaum, MD | 1609882331 | Emergency Medicine Physician | Santa Cruz, CA | 2006 |
| Mark Greenbaum, D.P.M. | 1750335428 | Podiatrist | Atlanta, GA | 2006 |
| Marvin Greenbaum, M.D. | 1073620472 | Ophthalmology Physician | Bala Cynwyd, PA | 2006 |
| Maurice Greenbaum, MD | 1508812413 | Internal Medicine Physician | Salem, MA | 2006 |
| Melanie Greenbaum, M.S., CCC-SLP | 1063965572 | Speech-Language Pathologist | Kalispell, MT | 2016 |
| Meridith Greenbaum, LCSW | 1659614618 | Clinical Social Worker | Philadelphia, PA | 2013 |
| Michael Greenbaum, M.D. | 1164675559 | Radiation Oncology Physician | Greenville, SC | 2008 |
| Michael Greenbaum, DDS | 1386858488 | General Practice Dentistry | Great Neck, NY | 2007 |
| Michael Greenbaum, MD | 1598792970 | Psychiatry Physician | Libertyville, IL | 2006 |
| Michaela Greenbaum, MD | 1235627191 | Pediatrics Physician | Tenafly, NJ | 2018 |
| Miriam Greenbaum, M.A.,OTR/L | 1467545715 | Occupational Therapist | New Port Richey, FL | 2006 |
| Mitchell Greenbaum, DPM | 1104801448 | Podiatrist | Plainview, NY | 2005 |
| Mitchell Greenbaum, D.O. | 1740247568 | Obstetrics & Gynecology Physician | Oregon, OH | 2006 |
| Molly Greenbaum | 1467043695 | Geriatric Physical Therapist | Rochester, NY | 2021 |
| Monica Greenbaum, M.D. | 1912018565 | Pediatrics Physician | Greenville, SC | 2006 |
| Nathaniel Greenbaum, MD | 1952832206 | Anesthesiology Physician | Boston, MA | 2017 |
| Nicole Greenbaum | 1356193627 | Student in an Organized Health Care Education/Training Program | New York, NY | 2024 |
| Noam Greenbaum, DDS | 1497283915 | Pediatric Dentistry | Encino, CA | 2017 |
| Paul Greenbaum, D.C. LAC | 1700298056 | Chiropractor | Portland, OR | 2014 |
| Paul Greenbaum, MD | 1790832137 | Internal Medicine Physician | Albuquerque, NM | 2007 |
| Phyillis Greenbaum, LCSW | 1366588162 | Clinical Social Worker | Skokie, IL | 2007 |
| Rachel Greenbaum, PA: NCCPA ID 1208210 | 1528837457 | Physician Assistant | New York, NY | 2023 |
| Rebecca Greenbaum, M.D. | 1992237267 | Pediatrics Physician | Knoxville, TN | 2017 |
| Reina Greenbaum, RPA-C | 1275791964 | Medical Physician Assistant | Tappan, NY | 2008 |
| Richard Greenbaum, PHD | 1295819399 | Psychologist | Easton, MD | 2006 |
| Robert Greenbaum, OD | 1750387973 | Optometrist | Lagrangeville, NY | 2005 |
| Robert Greenbaum, MD | 1831159870 | Diagnostic Radiology Physician | Jamaica, NY | 2006 |
| Rochelle Greenbaum, M.A. | 1568653244 | Speech-Language Pathologist | Santa Barbara, CA | 2007 |
| Ronald Greenbaum, RPH | 1154646396 | Pharmacist | Valhalla, NY | 2010 |
| Rosalie Greenbaum, PH.D. | 1922149129 | Clinical Psychologist | New York, NY | 2007 |
| Roy Greenbaum, MD | 1255338463 | Diagnostic Radiology Physician | Hamilton, NJ | 2005 |
| Ryley Greenbaum, D.O. | 1053708669 | Obstetrics & Gynecology Physician | Akron, OH | 2015 |
| Sara Greenbaum, PA-C | 1568318418 | Physician Assistant | Fayetteville, NC | 2026 |
| Sara Greenbaum, LADC | 1679006084 | Addiction (Substance Use Disorder) Counselor | Forest Lake, MN | 2017 |
| Sara Greenbaum | 1780555011 | Social Worker | New York, NY | 2025 |
| Saul Greenbaum, MD | 1851707616 | Allergy & Immunology (Internal Medicine) Physician | Memphis, TN | 2014 |
| Scott Greenbaum, MD | 1982615639 | Ophthalmology Physician | Forest Hills, NY | 2006 |
| Seth Greenbaum | 1073928271 | Anesthesiology Physician | Phoenix, AZ | 2014 |
| Shareen Greenbaum, MD | 1912039363 | Ophthalmology Physician | Hollywood, FL | 2007 |
| Sharon Greenbaum, LGSW | 1538564943 | Social Worker | Washington, DC | 2014 |
| Shelley Greenbaum, LISW,LCSW | 1558579581 | Clinical Social Worker | Carlsbad, NM | 2007 |
| Shlome Greenbaum | 1063077915 | Specialist | Brooklyn, NY | 2019 |
| Shulamit Greenbaum, DPT | 1932575347 | Physical Therapist | Bergenfield, NJ | 2015 |
| Simon Greenbaum, MD | 1255750816 | Orthopaedic Surgery Physician | Bronx, NY | 2014 |
| Steven Greenbaum, DMD | 1033123229 | General Practice Dentistry | Warren, NJ | 2006 |
| Steven Greenbaum, MD | 1942395207 | Procedural Dermatology Physician | Philadelphia, PA | 2006 |
| Susan Greenbaum, RN | 1144485616 | Registered Nurse | Plainview, NY | 2008 |
| Susan Greenbaum | 1558604587 | Clinical Social Worker | Teaneck, NJ | 2013 |
| Susan Greenbaum | 1841614369 | Diagnostic Radiology Physician | Mamaroneck, NY | 2014 |
| Susanne Greenbaum | 1053821561 | Speech-Language Pathologist | Washington, DC | 2017 |
| Sylvia Greenbaum, L.P.C. | 1396906939 | Mental Health Counselor | Houston, TX | 2008 |
| Tina Greenbaum, LCSW | 1932378809 | Clinical Social Worker | Huntington Station, NY | 2008 |
| Uri Greenbaum, MD | 1063079945 | Student in an Organized Health Care Education/Training Program | Houston, TX | 2019 |
| Victoria Greenbaum | 1851194161 | Mental Health Counselor | Atlanta, GA | 2025 |
| Virginia Greenbaum, MD | 1437107455 | Forensic Pathology Physician | Atlanta, GA | 2006 |
| Karen Greenbaum-Maya, PH. D. | 1174696629 | Clinical Psychologist | Claremont, CA | 2006 |
| Ann Greenbaum-Mucia, LICSW | 1619044203 | Clinical Social Worker | Pittsfield, MA | 2006 |
| Aaron Greenberg, M.D. | 1376514786 | Cardiovascular Disease Physician | Brooklyn, NY | 2006 |
| Aaron Greenberg, MS L.AC., LMT | 1538860952 | Integrative Medicine Physician | Glastonbury, CT | 2023 |
| Aaron Greenberg | 1598137804 | Registered Nurse | New York, NY | 2015 |
| Aaron Greenberg, MD | 1609127869 | Orthopaedic Surgery of the Spine Physician | Union, NJ | 2012 |
| Aaron Greenberg, DO | 1699262071 | Physical Medicine & Rehabilitation Physician | Birmingham, AL | 2018 |
| Abby Greenberg, M.D. | 1538554605 | Pediatrics Physician | Roslyn Heights, NY | 2015 |
| Abra Greenberg, CNP | 1023296696 | Acupuncturist | Columbus, OH | 2008 |
| Abraham Greenberg, DPM | 1952321127 | Podiatrist | Seattle, WA | 2006 |
| Adam Greenberg, PA-C | 1275927220 | Physician Assistant | Nashua, NH | 2015 |
| Adam Greenberg | 1295240646 | General Practice Dentistry | Ocala, FL | 2017 |
| Adam Greenberg, CRNP | 1306111968 | Acute Care Nurse Practitioner | Philadelphia, PA | 2012 |
| Adam Greenberg, MD | 1407866288 | Internal Medicine Physician | Sacramento, CA | 2006 |
| Adam Greenberg, DC | 1528789880 | Chiropractor | Huntington Beach, CA | 2022 |
| Adam Greenberg, D.C | 1588362081 | Chiropractor | Buffalo, NY | 2023 |
| Adam Greenberg | 1649196262 | Behavior Technician | Costa Mesa, CA | 2026 |
| Adam Greenberg | 1649841412 | Physical Therapist | La Mesa, CA | 2021 |
| Adam Greenberg, LMSW | 1679112932 | Clinical Social Worker | Brooklyn, NY | 2020 |
| Adam Greenberg, L. AC. | 1740783653 | Acupuncturist | Malibu, CA | 2018 |
| Adam Greenberg | 1750925657 | Speech-Language Pathologist | Jamaica Plain, MA | 2019 |
| Adam Greenberg, M.D. | 1932193729 | Dermatology Physician | North Port, FL | 2005 |
| Adam Greenberg, M.D. | 1962745752 | Gastroenterology Physician | Fresno, CA | 2013 |
| Adena Greenberg, MD | 1043232457 | Pediatrics Physician | Philadelphia, PA | 2006 |
| Adena Greenberg, PH.D. | 1962730036 | Psychologist | New York, NY | 2009 |
| Aileen Greenberg, APRN, FNP-BC, FNP-C | 1053237529 | Family Nurse Practitioner | Dalton, GA | 2026 |
| Aimee Greenberg, PHARMD, RPH | 1649565896 | Pharmacist | Waynesboro, VA | 2011 |
| Alan Greenberg, M.D. | 1043212707 | Obstetrics & Gynecology Physician | Frisco, TX | 2005 |
| Alan Greenberg, OD | 1184392763 | Optometrist | Yonkers, NY | 2021 |
| Alan Greenberg, MD | 1184735649 | Internal Medicine Physician | Washington, DC | 2006 |
| Alan Greenberg, M.D. | 1326092180 | Hospitalist Physician | Camden, NJ | 2006 |
| Alan Greenberg, OPTICAIN | 1366461428 | Optician | Union, NJ | 2006 |
| Alan Greenberg, M.D. | 1619955226 | Infectious Disease Physician | Las Vegas, NV | 2006 |
| Alan Greenberg, DPM | 1831151893 | Foot & Ankle Surgery Podiatrist | Succasunna, NJ | 2006 |
| Alan Greenberg, MD | 1871563064 | Anesthesiology Physician | Phoenix, AZ | 2006 |
| Alana Greenberg, LP | 1578264917 | Mental Health Counselor | New York, NY | 2023 |
| Alex Greenberg | 1518829233 | Student in an Organized Health Care Education/Training Program | Melville, NY | 2025 |
| Alex Greenberg, D.D.S. | 1811052285 | Oral and Maxillofacial Surgery (Dentist) | New York, NY | 2006 |
| Alexander Greenberg, MD | 1144774241 | Adult Reconstructive Orthopaedic Surgery Physician | Cleveland, OH | 2016 |
| Alexandra Greenberg, D.O. | 1063852101 | Gastroenterology Physician | Brick, NJ | 2013 |
| Alexandra Greenberg, LCSW | 1124383260 | Clinical Social Worker | Flemington, NJ | 2012 |
| Alexandra Greenberg, MD | 1285329581 | Family Medicine Physician | New York, NY | 2023 |
| Alexandra Greenberg, DC | 1437793734 | Chiropractor | Prineville, OR | 2019 |
| Alexis Greenberg, PT, MS | 1154635480 | Physical Therapist | Staten Island, NY | 2010 |
| Alexis Greenberg, DPT | 1184656985 | Physical Therapist | Morganville, NJ | 2006 |
| Alireah Greenberg | 1841840261 | Behavior Technician | Derwood, MD | 2019 |
| Alisha Greenberg, LMT | 1295375970 | Massage Therapist | Fairbanks, AK | 2020 |
| Alison Greenberg, LMSW | 1073789095 | Mental Health Counselor | New York, NY | 2008 |
| Alison Greenberg, NP | 1437616448 | Primary Care Nurse Practitioner | Big Sur, CA | 2019 |
| Alison Greenberg | 1912180464 | Counselor | San Francisco, CA | 2007 |
| Alissa Greenberg, PHD, BCBA-D | 1326328675 | Psychologist | Lafayette, CA | 2011 |
| Alissa Greenberg, MD | 1508949694 | Pulmonary Disease Physician | New York, NY | 2006 |
| Alissa Greenberg | 1740933175 | Student in an Organized Health Care Education/Training Program | Lebanon, OR | 2022 |
| Aliza Greenberg | 1215817747 | Specialist | Brooklyn, NY | 2025 |
| Alla Greenberg, RPH | 1568096378 | Pharmacist | Mentor, OH | 2020 |
| Allan Greenberg, DMD | 1972575165 | Endodontics | New York, NY | 2006 |
| Allegra Greenberg, MS CCC-SLP | 1508267238 | Speech-Language Pathologist | Woodside, NY | 2014 |
| Allen Greenberg, D.D.S. | 1073516084 | Pediatric Dentistry | New Rochelle, NY | 2005 |
| Allen Greenberg, MD | 1720097207 | Hematology & Oncology Physician | Miami, FL | 2006 |
| Allison Greenberg, MD | 1043651490 | Family Medicine Physician | Sleepy Hollow, NY | 2013 |
| Allison Greenberg, DDS | 1104380740 | Orthodontics and Dentofacial Orthopedics Dentistry | Avon, CT | 2019 |
| Allison Greenberg, N.D. | 1336577642 | Naturopath | Federal Way, WA | 2013 |
| Ally Greenberg, MSN, FNP-BC | 1750209326 | Family Nurse Practitioner | New York, NY | 2026 |
| Allyson Greenberg | 1184498115 | Behavior Technician | Sacramento, CA | 2023 |
| Alvin Greenberg, M.D. | 1215011697 | Internal Medicine Physician | Vestal, NY | 2006 |
| Alvin Greenberg, M.D. | 1386836849 | Specialist | Guilford, CT | 2007 |
| Amanda Greenberg | 1093640427 | Adult Companion | Mammoth Lakes, CA | 2026 |
| Amy Greenberg, PSYD | 1083423503 | Professional Counselor | Brookhaven, GA | 2024 |
| Amy Greenberg, MSCCC-SLP | 1114179124 | Speech-Language Pathologist | New Rochelle, NY | 2008 |
| Amy Greenberg | 1245509033 | Specialist | New York, NY | 2011 |
| Amy Greenberg, PA-C | 1326071986 | Physician Assistant | Miramar, FL | 2006 |
| Amy Greenberg, LMSW | 1417256397 | Social Worker | Bronx, NY | 2011 |
| Amy Greenberg, MSOT | 1700341054 | Pediatric Occupational Therapist | Rockville, MD | 2019 |
| Amy Greenberg, LCSW | 1841742517 | Clinical Social Worker | Las Vegas, NV | 2016 |
| Amy Greenberg | 1982629986 | Marriage & Family Therapist | Pleasanton, CA | 2006 |
| Andra Greenberg, M.D. | 1477642650 | Internal Medicine Physician | Jacksonville, FL | 2006 |
| Andrea Greenberg, LCSW | 1821380338 | Social Worker | New Haven, CT | 2011 |
| Andrew Greenberg, M.D. | 1093745945 | Internal Medicine Physician | Fort Pierce, FL | 2006 |
| Andrew Greenberg, FNP-BC | 1215636824 | Family Nurse Practitioner | Waterford, NY | 2023 |
| Andrew Greenberg, M.D. | 1215998695 | Anesthesiology Physician | Baltimore, MD | 2006 |
| Andrew Greenberg | 1326541624 | Acupuncturist | Toms River, NJ | 2018 |
| Andrew Greenberg, PSY.D. | 1467790212 | Clinical Psychologist | Livingston, NJ | 2013 |
| Andrew Greenberg, MD | 1538322995 | Ophthalmology Physician | Levittown, NY | 2008 |
| Andrew Greenberg, M.D. | 1548286339 | Radiation Oncology Physician | Flemington, NJ | 2006 |
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).