Jose Luis Martinez Fernandez, MD
Internal Medicine Physician · San Juan, PR
Jose Luis Martinez Fernandez, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1477542322, issued on Oct 13, 2005. Check the license (Puerto Rico 6062, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jose Luis Martinez Fernandez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 6062 PR
Self-reported in NPPES; status is on the state search - Practice location
- 400 Ave Domenech, San Juan, PR 00918
- Phone
- (787) 753-7383
- Enumerated
- Oct 13, 2005
- Record last updated
- Jun 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (787) 753-7586
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at 400 Ave Domenech
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jose Luis Martinez Fernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 6062Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
182 Medicare Part D claims for 36 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium16 claims
- Amoxicillin-Clavulanate Potass11 claims
- Losartan Potassium11 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.
Jose Luis Martinez Fernandez among 1,146 internal medicine physician records in Puerto Rico
Jose Luis Martinez Fernandez, MD is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2011 · 55% 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 Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
322 internal medicine physician records list a practice address in San Juan
They are 322 of the 8,960 NPPES records with a practice address in San Juan, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in San Juan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dweepkumar Bangdiwala, M.D.San Juan, PR 009181770588428
- Susana Cantalapiedra, M.D.San Juan, PR 009181952300410
- Pablo Cruz Burgos, MDSan Juan, PR 009181922004134
- Luis Diaz-Maisonet, MDHato Rey, PR 009181447214192
- Carlos Gonzalez PonsSan Juan, PR 009181548218688
- Martin H Lugo Fagundo, MDSan Juan, PR 009181316944549
- Pedro Maldonado, M.D.San Juan, PR 009181033102652
- Jose Nin-Torregrosa, MDSan Juan, PR 009181043294309
Common questions
What is Jose Luis Martinez Fernandez, MD's NPI number?
Jose Luis Martinez Fernandez, MD's National Provider Identifier (NPI) is 1477542322, issued on Oct 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jose Luis Martinez Fernandez, MD located?
The NPPES record lists a practice address at 400 Ave Domenech, San Juan, PR, 00918. Phone: (787) 753-7383. Providers update this record themselves, so call before visiting.
How can I verify Jose Luis Martinez Fernandez, MD's license?
NPPES lists Puerto Rico license number 6062, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Jose Luis Martinez Fernandez, MD prescribe under Medicare Part D?
In 2024, Jose Luis Martinez Fernandez, MD had 182 Medicare Part D claims for 36 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.