Jonathan Hamilton Martin, M.D.
Internal Medicine Physician · East Greenwich, RI
Jonathan Hamilton Martin, M.D. is an internal medicine physician with a practice address in East Greenwich, Rhode Island, and NPI 1528209335, issued on Mar 9, 2009. Check the license (Rhode Island MD13449, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Jonathan Hamilton Martin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD13449 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1407 S County Trl Ste 431, East Greenwich, RI 02818
- Phone
- (401) 398-0288
- Enumerated
- Mar 9, 2009
- Record last updated
- Oct 30, 2023
- Fax
- (401) 471-7365
- Medicare enrollment
- Enrolled (PECOS I20110922000500); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 1407 S County Trl Ste 431
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Boris Bergus, MDEmergency Medicine Physician1013975382
- Frank D'Alessandro, MD INCInternal Medicine Physician1225018955
- Ian Krouson, PAMedical Physician Assistant1790744381
Verify Jonathan Hamilton Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD13449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,200 Medicare Part D claims for 216 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 94 claims were for opioids.
Most prescribed
- Atorvastatin Calcium139 claims
- Lisinopril106 claims
- Losartan Potassium95 claims
- Levothyroxine Sodium67 claims
- Omeprazole64 claims
- Rosuvastatin Calcium62 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.
Industry payments in 2024: $2,550.80
125 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mdri LLCEast Greenwich, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Hamilton Martin among 1,033 internal medicine physician records in Rhode Island
Jonathan Hamilton Martin, M.D. is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 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 2009, is newer than 47% of them.
- NPI issued2009 · 47% of these records are older, 51% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2006 among the 590 with a school on file
- Record last updated2023 · 48% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in East Greenwich
They are 25 of the 599 NPPES records with a practice address in East Greenwich, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in East Greenwich → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Herbert Brennan, DOEast Greenwich, RI 028181659489060
- David Candow, MDEast Greenwich, RI 028181457365363
- Dana Chofay, MDEast Greenwich, RI 028181811943525
- Frank D'Alessandro, MD INCEast Greenwich, RI 028181225018955
- Richard Delsesto, MDEast Greenwich, RI 028181942318357
- David Fried, MDEast Greenwich, RI 028181275520678
- Denise Glickman, MDEast Greenwich, RI 028181033158647
- Richard Leach, DOEast Greenwich, RI 028181407852155
Common questions
What is Jonathan Hamilton Martin, M.D.'s NPI number?
Jonathan Hamilton Martin, M.D.'s National Provider Identifier (NPI) is 1528209335, issued on Mar 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Hamilton Martin, M.D. located?
The NPPES record lists a practice address at 1407 S County Trl Ste 431, East Greenwich, RI, 02818. Phone: (401) 398-0288. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Hamilton Martin, M.D.'s license?
NPPES lists Rhode Island license number MD13449, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan Hamilton Martin, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Hamilton Martin, M.D. had 2,200 Medicare Part D claims for 216 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.