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 450 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
- Claire Logan, M.S. CCC-SLPSpeech-Language Pathologist1053698761
- Deirdre Logan, PHDClinical Child & Adolescent Psychologist1689725889
- Georgiana Logan, LICSWSocial Worker1215089917
- Merranda Logan, M.D.Nephrology Physician1881859890
- Nancy Logan, CRNASpecialist1053443226
- Patricia LoganClinical Social Worker1629197199
- Ranjani Logaraj, M.D.Psychiatry Physician1740711712
- Erin LogeePhysician Assistant1710688411
- Frank Logerfo, M.D.Vascular Surgery Physician1952343832
- Nicholas Logerfo, DOStudent in an Organized Health Care Education/Training Program1295678647
- Ilana LoggiaBehavior Analyst1811710445
- Anastasia Logotheti, ODOptometrist1073361994
- Jessica Logsdon, MHS, MHA, PA-CPhysician Assistant1720185473
- Michael Loguidice, LICSWClinical Social Worker1053555342
- Subash Lohani, MDNeurological Surgery Physician1205133378
- Jens Lohr, M.D., PH.D.Hematology & Oncology Physician1346414802
- Ryan Lohre, MDOrthopaedic Surgery Physician1871160010
- Kurt LoiseauStudent in an Organized Health Care Education/Training Program1811796766
- Jesse Loiurio, PA-CPhysician Assistant1215205380
- Daniel Loizzo, MDStudent in an Organized Health Care Education/Training Program1548918188
- Juan LojaStudent in an Organized Health Care Education/Training Program1427802388
- Josephine Lok, MDPediatric Critical Care Medicine Physician1033100680
- Tracy Loke, RPHPharmacist1255936225
- Erik LokenDiagnostic Radiology Physician1568817187
- Naaznin Lokhandwala, MDEndocrinology, Diabetes & Metabolism Physician1982620910
- Theresa Loliscio, MS CCC-SLPSpeech-Language Pathologist1174057723
- Afsaneh Lomax, DNP, FNPFamily Nurse Practitioner1497157119
- Barbara Lomax, M.S.W.Clinical Social Worker1205977618
- Anissa LombaClinical Social Worker1659881373
- Lisa Lombard, M.D.Anesthesiology Physician1801995667
- Mia Lombardelli, FNP-CNurse Practitioner1306433693
- Candace Lombardi, AGNP-CNurse Practitioner1558076760
- Lillyanna Lombardi, RD, LDNRegistered Dietitian1639955537
- Rebecca LominyCase Manager/Care Coordinator1467385823
- Dyanne London, PH.D.Clinical Psychologist1598889719
- Nikia LondyProsthetics Case Management1841973021
- Derek Loneman, MDAnatomic Pathology & Clinical Pathology Physician1831775311
- Brady Lonergan, MDPsychiatry Physician1548654080
- Patrick Loney, RNRegistered Nurse1285120998
- Aidan Long, MDAllergy & Immunology Physician1841280039
- Amie Long, NPFamily Nurse Practitioner1609284637
- Carolyn Long, CRNACertified Registered Nurse Anesthetist1578018388
- Ceciy Long, LICSWClinical Social Worker1851885636
- Eva Long, MDNephrology Physician1053666222
- Jillian Long, RPHPharmacist1265947402
- Jonathan LongMental Health Counselor1891336418
- Kelly Long, PA-CMedical Physician Assistant1891933495
- Kristyn LongMental Health Counselor1750996047
- Laura Long, PHDStudent in an Organized Health Care Education/Training Program1427839976
- Michelle Long, M.D.Gastroenterology Physician1194952663
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.