Doctors and health care providers in Boston, MA
41,865 individual NPPES records list a practice address in Boston, 1st of 406 Massachusetts cities. The largest group is students in training: 6,126, 15% of the city's records, against 5% across Massachusetts. Page 311 of 838.
The 8 largest groups in Boston
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Boston in Massachusetts
- Rank in Massachusetts1st of 406 cities by records
- Share of the state19.1% of Massachusetts's records
- Specialties present25 or more taxonomy codes
- Top three groups24.7% of all records
- Students in training rank1st of the 10 Massachusetts cities with the most
Compared with Massachusetts as a whole, Boston has 2.9× the state's share of student in an organized health care education/training program records and 0.23× its share of mental health counselor records.
Providers in Boston, alphabetically
- Daniel Harrison, MDNeurology Physician1508356809
- David Harrison, M.D.Obstetrics & Gynecology Physician1801879200
- Diana Harrison, PT, DPTPediatric Physical Therapist1114235306
- Gabriele Harrison, CPNPPediatric Nurse Practitioner1023241007
- Howard Harrison, ODOptometrist1023063781
- Jermai Harrison, LMHC, LCMHCMental Health Counselor1881180255
- Jon Harrison, MDSurgery Physician1235588351
- Keisha HarrisonBehavior Technician1891589867
- Laura Harrison, MDInternal Medicine Physician1215516711
- Moira Harrison, MSW, LCSWClinical Social Worker1083276125
- Sarah Harrison, PA-CPhysician Assistant1518472083
- Sarah Harrison, MDInternal Medicine Physician1417659178
- Theresa Harrison, LICSWClinical Social Worker1508343260
- Alexia Harrist, M.D.Pediatrics Physician1609190347
- Maggie Harrity, NPFamily Nurse Practitioner1467973073
- George Harrold, MDNeurology Physician1497275622
- Lauren Harshman, MDMedical Oncology Physician1689856684
- Elizabeth Harstad, M.D.Developmental - Behavioral Pediatrics Physician1124297445
- Alexis Hart, D.M.D.General Practice Dentistry1902923105
- Chloe HartBehavior Technician1235877481
- Courtney Hart, PA-CPhysician Assistant1174286330
- Edward HartStudent in an Organized Health Care Education/Training Program1336995430
- Elizabeth Hart, M.D.Pediatrics Physician1730378159
- Elspeth Ashley Hart, PA-C, ATCPhysician Assistant1730562588
- Geoffrey Hart, M.D.Anesthesiology Physician1164406419
- Kamber Hart, MDStudent in an Organized Health Care Education/Training Program1184484925
- Logan HartStudent in an Organized Health Care Education/Training Program1619737723
- Morgan Hart, DPTPhysical Therapist1053016196
- Nada Hart, MDAnesthesiology Physician1851358220
- Nicole HartNurse Practitioner1982366787
- Renee HartStudent in an Organized Health Care Education/Training Program1013761410
- Ina Harten, NPFamily Nurse Practitioner1467922666
- Phillip Hartfield, MDInternal Medicine Physician1063152049
- Kimberly Hartgrove, NP-C, FNP-BCFamily Nurse Practitioner1518385822
- John Harthorne, MDInternal Medicine Physician1336103977
- Philip HartiganAnesthesiology Physician1437108545
- William Hartigan, LCSWClinical Social Worker1730630245
- Melissa HartinRegistered Nurse1821320102
- Connor HartleyStudent in an Organized Health Care Education/Training Program1215732052
- L Hartley, MDCardiovascular Disease Physician1588616809
- Monique Hartley-Brown, M.D.Hematology (Internal Medicine) Physician1992904387
- Abbey HartmanAddiction (Substance Use Disorder) Counselor1164844106
- Jillian HartmanMental Health Counselor1972967685
- Rebecca Hartman, M.D., M.P.H.Dermatology Physician1427496793
- Stefanie Hartman, CPNPPediatric Nurse Practitioner1407002975
- Susan HartmanCertified Registered Nurse Anesthetist1447782586
- Alexandra Hartnett, LCSWClinical Social Worker1366119976
- Davis HartnettStudent in an Organized Health Care Education/Training Program1275114886
- Lauren Hartnett, PA-CPhysician Assistant1225397391
- Christopher Hartnick, MDPediatric Otolaryngology Physician1972593242
The largest Massachusetts cities
- Worcester13,166
- Springfield8,553
- Cambridge5,145
- Brockton4,287
- Milford3,459
How to read this directory
Boston, Massachusetts appears in the CMS National Plan and Provider Enumeration System with 41,865 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Boston - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Boston practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.
The provider mix in Boston is weighted toward Student in an Organized Health Care Education/Training Program (6,126 clinicians, followed by Internal Medicine Physician with 2,320 and Clinical Social Worker with 1,906). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Massachusetts's population, Boston reports roughly 598 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.
Of Massachusetts's most common specialties, Counselor is the most prominent one with no provider currently listing a Boston practice address, a coverage gap Boston patients typically fill by traveling to a larger nearby hub.
For Boston patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.
For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.
Common questions
How many doctors are in Boston, MA?
There are 41,865 registered healthcare providers in Boston, MA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Boston?
The most common specialties in Boston are Student in an Organized Health Care Education/Training Program, Internal Medicine Physician, Clinical Social Worker, Physician Assistant, Anesthesiology Physician. Student in an Organized Health Care Education/Training Program has the most providers with 6,126.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.