2026 data CMS NPPES NUCC Taxonomy

Doctors in Boston, MA

Active healthcare providers in Boston sourced from the CMS NPPES weekly file, no proprietary ratings, no editorial scores. NPI counts, specialty distribution, and primary practice addresses refreshed each release.

40,542
Providers
CMS NPPES-registered
20
Specialties
NUCC taxonomy codes
Student in an Organized Health Care Education/Training Program
Top specialty
7,234 providers
Massachusetts
State
MA

40,542 healthcare providers across 20 specialties

Boston, Massachusetts appears in the CMS National Plan and Provider Enumeration System with 40,542 registered healthcare providers spanning 20 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 2023 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 (7,234 clinicians, followed by Internal Medicine Physician with 3,032 and Clinical Social Worker with 1,769). 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 579.1 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.

Within Massachusetts, Boston ranks #1 of 400 cities tracked by provider count, accounting for 19% of the state's registered providers. 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, searching by specialty narrows the 690-taxonomy roster to clinicians with the relevant training, and each provider page links to NPI, state licensing boards, and the NPPES registry for credential verification. 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, so listing details may be out of date; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients. Nothing on this page substitutes for consulting a licensed clinician about your personal health decisions.

40,542
Providers
20
Specialties
#1
of 400 MA cities
19%
of MA providers
579.1
Per 100K (state)

Which specialties are most common in Boston

Student in an Organized Health Care Education/Training Program 7,234
Internal Medicine Physician 3,032
Clinical Social Worker 1,769
Physician Assistant 1,466
Pediatrics Physician 1,166
Registered Nurse 978
Anesthesiology Physician 930
Family Nurse Practitioner 815
Nurse Practitioner 803
Physical Therapist 801
Mental Health Counselor 791
Psychiatry Physician 754
Diagnostic Radiology Physician 710
Dentist 668
Behavior Technician 581
Pediatric Nurse Practitioner 534
Pharmacist 505
Emergency Medicine Physician 499
Neurology Physician 485
Social Worker 485

Healthcare Providers (Page 279)

Name
Mary Graney, NP
Family Nurse Practitioner
Alexandra Grannan, LICSW
Clinical Social Worker
Justin Granstein, MD
Neurocritical Care Physician
Alice Grant, FNP-C, RN
Family Nurse Practitioner
Benjamin Grant
Adult Health Nurse Practitioner
Carly Grant, MS
Genetic Counselor (M.S.)
Cathleen Grant, LICSW
Clinical Social Worker
Frederick Grant, M.D.
Endocrinology, Diabetes & Metabolism Physician
James Grant, MD
Student in an Organized Health Care Education/Training Program
Jeneecka Grant, RN
Registered Nurse
Jessica Grant
Addiction (Substance Use Disorder) Counselor
Kara Grant
Clinical Social Worker
Kelsie Grant, AU.D.
Audiologist
Leah Grant, MSW, LICSW
Clinical Social Worker
Linda Grant, M.D.
Pediatrics Physician
Margaret Grant, LICSW
Clinical Social Worker
Mary Grant
Mental Health Counselor
Nicole Grant, DMD
Orthodontics and Dentofacial Orthopedics Dentistry
Patricia Grant, MD
Neuroradiology Physician
Tiana Grant
Registered Nurse
William Grant, MD
Student in an Organized Health Care Education/Training Program
Scott Granter, MD
Anatomic Pathology Physician
Pamela Granville, PA-C
Medical Physician Assistant
Ioulia Grapsa, MD, PHD
Cardiovascular Disease Physician
Anita Grassi, MD
Dermatology Physician
Clement Grassi, M.D.
Diagnostic Radiology Physician
Julie Grassi, P.A.-C
Physician Assistant
Cecily Grassia, LICSW
Clinical Social Worker
Amanda Grasso, PA-C
Physician Assistant
Jessica Grasso, PA-C
Physician Assistant
Patrick Grasso
Student in an Organized Health Care Education/Training Program
Victoria Grasso, PA-C
Physician Assistant
Maeve Grattan
Case Manager/Care Coordinator
Nina Graupera, M.D.
Child & Adolescent Psychiatry Physician
Lisa Gravallese, LICSW
Clinical Social Worker
Cynthia Gravel, MD
Pediatrics Physician
Marguerite Gravely
Case Manager/Care Coordinator
Edwin Gravereaux, MD
Vascular Surgery Physician
Lucy Graves, NP
Obstetrics & Gynecology Nurse Practitioner
Morgan Gravlin, PA
Physician Assistant
Alicia Gray
Psychiatric/Mental Health Nurse Practitioner
Anastasia Gray
Clinical Social Worker
Anna Gray, MD
Student in an Organized Health Care Education/Training Program
Anne Gray, LICSW
Clinical Social Worker
Christian Gray, AGPCNP-BC
Neuroscience Registered Nurse
Colby Gray, D.O.
Anesthesiology Physician
Corinne Gray
Student in an Organized Health Care Education/Training Program
Damon Gray, MD
Physical Medicine & Rehabilitation Physician
Haley Gray, PA-C
Physician Assistant
Hunter Gray, DC
Chiropractor

Nearby Cities in Massachusetts

Other Massachusetts cities with provider coverage in the CMS NPPES registry.

Compare specialties side-by-side →

Frequently Asked Questions

How many doctors are in Boston, MA?
There are 40,542 registered healthcare providers in Boston, MA, covering 20 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, Pediatrics Physician. Student in an Organized Health Care Education/Training Program has the most providers with 7,234.

Provider data from CMS NPPES (download.cms.gov/nppes); specialty classification from NUCC Health Care Provider Taxonomy. PlainDoctor does not rate or rank providers. Methodology · About

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from CMS National Plan and Provider Enumeration System (NPPES). Consult a qualified professional before making decisions based on this data.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-20.