Stephen Matthew Marsh, M.D.
Family Medicine Physician · Boston, MA
Stephen Matthew Marsh, M.D. is a family medicine physician with a practice address in Boston, Massachusetts, and NPI 1528453008, issued on Apr 1, 2015. Check the license (Massachusetts 278084, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen Matthew Marsh
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 278084 MA
264302 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Boston Medical Ctr PL, Boston, MA 02118
- Phone
- (617) 414-6239
- Enumerated
- Apr 1, 2015
- Record last updated
- Feb 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190423000207); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 1 Boston Medical Ctr PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Priscilla AguilarStudent in an Organized Health Care Education/Training Program1033838792
Verify Stephen Matthew Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 278084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average family medicine physician in 2024
2,261 Medicare Part D claims for 175 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium170 claims
- Amlodipine Besylate120 claims
- Tamsulosin Hcl100 claims
- Fluticasone Propionate96 claims
- Lisinopril96 claims
- Metformin Hcl69 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Boston Medical Center CorporationRoslindale, MA
- Boston University Family Medicine IncBoston, MA
- Dothouse Health Inc.Dorchester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Matthew Marsh among 2,265 family medicine physician records in Massachusetts
Stephen Matthew Marsh, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2006 among the 1,529 with a school on file
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Boston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mari Bentley, M.D.Boston, MA 021181043299027
- Larry Culpepper, M.D.Boston, MA 021181225001076
- Jon Fuller, MDBoston, MA 021181952387946
- Thomas Hines, M.D.Boston, MA 021181235103219
- Brian Jack, M.D.Boston, MA 021181053385120
- Anita Kostecki, M.D.Boston, MA 021181295710119
- Nidhi Lal, MDBoston, MA 021181114990652
- Adebayo Lawal, M.D.Boston, MA 021181578537569
Common questions
What is Stephen Matthew Marsh, M.D.'s NPI number?
Stephen Matthew Marsh, M.D.'s National Provider Identifier (NPI) is 1528453008, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Matthew Marsh, M.D. located?
The NPPES record lists a practice address at 1 Boston Medical Ctr PL, Boston, MA, 02118. Phone: (617) 414-6239. Providers update this record themselves, so call before visiting.
How can I verify Stephen Matthew Marsh, M.D.'s license?
NPPES lists Massachusetts license number 278084, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Matthew Marsh, M.D. prescribe under Medicare Part D?
In 2024, Stephen Matthew Marsh, M.D. had 2,261 Medicare Part D claims for 175 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.