Matthew J. Martin, DO
Internal Medicine Physician · Stony Brook, NY
Matthew J. Martin, DO is an internal medicine physician with a practice address in Stony Brook, New York, and NPI 1114677333, issued on Mar 29, 2022. Check the license (New York 338518, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Matthew J. Martin
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 338518 NY
Self-reported in NPPES; status is on the state search - Practice location
- Health Science Tower Level 16, Room 020, Stony Brook, NY 11794
- Phone
- (631) 444-8044
- Enumerated
- Mar 29, 2022
- Record last updated
- Aug 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20251229002787); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at Health Science Tower Level 16, Room 020
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Wolin, DOInternal Medicine Physician1972253367
Verify Matthew J. Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 338518Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
116 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium12 claims
- Jardiance11 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 one group practice
- Stony Brook Internists University Faculty Practice CorporationStony Brook, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew J. Martin among 12,067 internal medicine physician records in New York
Matthew J. Martin, DO is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2002 among the 7,221 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 internal medicine physician records list a practice address in Stony Brook
They are 121 of the 3,053 NPPES records with a practice address in Stony Brook, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Stony Brook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Abdullah, M.D.Stony Brook, NY 117941700079100
- Patricia Boromee, MDStony Brook, NY 117941982700993
- Roderick Go, DOStony Brook, NY 117941558486555
- Lynn Hallarman, M.D.Stony Brook, NY 117941689778078
- Jennifer Hensley, M.D.Stony Brook, NY 117941881702124
- Kyung Ho Kim, MDStony Brook, NY 117941063687929
- Olena Ksovreli, M.D.Stony Brook, NY 117941821063041
- Patrick Lynch, MDStony Brook, NY 117941841495256
Common questions
What is Matthew J. Martin, DO's NPI number?
Matthew J. Martin, DO's National Provider Identifier (NPI) is 1114677333, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Matthew J. Martin, DO located?
The NPPES record lists a practice address at Health Science Tower Level 16, Room 020, Stony Brook, NY, 11794. Phone: (631) 444-8044. Providers update this record themselves, so call before visiting.
How can I verify Matthew J. Martin, DO's license?
NPPES lists New York license number 338518, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew J. Martin, DO prescribe under Medicare Part D?
In 2024, Matthew J. Martin, DO had 116 Medicare Part D claims for 33 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.