Ronaldo L. Martinez
Internal Medicine Physician · San Juan, PR
Ronaldo L. Martinez is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1194927129, issued on Jun 1, 2007. Check the license (Puerto Rico 10487, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronaldo L. Martinez
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 10487 PR
Self-reported in NPPES; status is on the state search - Practice location
- 735 Ave Ponce DE Leon, San Juan, PR 00917
- Phone
- (787) 765-0670
- Enumerated
- Jun 1, 2007
- Record last updated
- Apr 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050513000700); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 1987
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at 735 Ave Ponce DE Leon
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Miguel Abreu, M.D., FACCClinical Cardiac Electrophysiology Physician1649294687
- Luis Acaba, M.D.Hematology & Oncology Physician1225031396
- Vanessa ArroyoPharmacist1497686182
- Liz Betancourt, PH.DCounseling Psychologist1639568132
- Yudit Brito PequeraGeneral Practice Physician1013119304
- Ramon Cao, M.D.Anesthesiology Physician1215974027
Verify Ronaldo L. Martinez 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 10487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,388 Medicare Part D claims for 692 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Amlodipine Besylate641 claims
- Rosuvastatin Calcium553 claims
- Losartan Potassium506 claims
- Metoprolol Succinate501 claims
- Simvastatin446 claims
- Synthroid441 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.
Ronaldo L. Martinez among 1,146 internal medicine physician records in Puerto Rico
Ronaldo L. Martinez 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1987 · median 1996 among the 595 with a school on file
- Record last updated2020 · 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
- Nicolas Betancourt, M.D.San Juan, PR 009171053445403
- Luis Borrego Conde, M.D.San Juan, PR 009171972553824
- James Bryan-Diaz, M.D.San Juan, PR 009171932413499
- Josely Carreras Hernandez, M. D.San Juan, PR 009171629227632
- Rolando Cruz, M.DSan Juan, PR 009171487767620
- Maritza De La Cruz, MDHato Rey, PR 009171750325924
- Pedro Del Valle De Tomas, MDSan Juan, PR 009171023126430
- Wilda Figueroa-Cruz, M.D.San Juan, PR 009171982615928
Common questions
What is Ronaldo L. Martinez's NPI number?
Ronaldo L. Martinez's National Provider Identifier (NPI) is 1194927129, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronaldo L. Martinez located?
The NPPES record lists a practice address at 735 Ave Ponce DE Leon, San Juan, PR, 00917. Phone: (787) 765-0670. Providers update this record themselves, so call before visiting.
How can I verify Ronaldo L. Martinez's license?
NPPES lists Puerto Rico license number 10487, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Ronaldo L. Martinez prescribe under Medicare Part D?
In 2024, Ronaldo L. Martinez had 11,388 Medicare Part D claims for 692 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.