Ralph J. Martin, M.D.
Internal Medicine Physician · Naples, FL
Ralph J. Martin, M.D. is an internal medicine physician with a practice address in Naples, Florida, and NPI 1720280969, issued on Jun 1, 2007. Check the license (Florida ME129077, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Ralph J. Martin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ME129077 FL
16762 PR
Self-reported in NPPES; status is on the state search - Practice location
- 3339 Tamiami Trl E Ste 145, Naples, FL 34112
- Phone
- (239) 252-5365
- Enumerated
- Jun 1, 2007
- Record last updated
- Jan 19, 2022
- Fax
- (239) 896-1902
- Medicare enrollment
- Enrolled (PECOS I20211110003127); may accept Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 3339 Tamiami Trl E Ste 145
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elisabeth Karamehmet, ARNPAdult Health Nurse Practitioner1851815609
Verify Ralph J. Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME129077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
290 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Dovato26 claims
- Triumeq20 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
- Collier Health Services, IncImmokalee, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ralph J. Martin among 10,151 internal medicine physician records in Florida
Ralph J. Martin, M.D. is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 48% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2005 · median 2004 among the 6,606 with a school on file
- Record last updated2022 · 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 internal medicine physician records list a practice address in Naples
They are 208 of the 5,950 NPPES records with a practice address in Naples, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Naples → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Don Bradke, MDNaples, FL 341121922016799
- David Knudtson, MDNaples, FL 341121558420323
- Francesca Luna-Rudin, MDNaples, FL 341121598999559
- Jad Naser, MDNaples, FL 341121831282961
- Nalinbhai Patel, M.D.Naples, FL 341121104822584
- Elyse Cohen, M.D.Naples, FL 341131023379765
- Rodolfo Freire, MDNaples, FL 341131861638280
- Nancy Goodwin, D.O.Naples, FL 341131861679227
Common questions
What is Ralph J. Martin, M.D.'s NPI number?
Ralph J. Martin, M.D.'s National Provider Identifier (NPI) is 1720280969, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ralph J. Martin, M.D. located?
The NPPES record lists a practice address at 3339 Tamiami Trl E Ste 145, Naples, FL, 34112. Phone: (239) 252-5365. Providers update this record themselves, so call before visiting.
How can I verify Ralph J. Martin, M.D.'s license?
NPPES lists Florida license number ME129077, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ralph J. Martin, M.D. prescribe under Medicare Part D?
In 2024, Ralph J. Martin, M.D. had 290 Medicare Part D claims for 55 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.