Carlos M. Martinez Rivera, MD
Endocrinology, Diabetes & Metabolism Physician · Mayaguez, PR
Carlos M. Martinez Rivera, MD is an endocrinology, diabetes & metabolism physician with a practice address in Mayaguez, Puerto Rico, and NPI 1356330310, issued on Oct 20, 2005. Check the license (Puerto Rico 12424, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carlos M. Martinez Rivera
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 12424 PR
Self-reported in NPPES; status is on the state search - Practice location
- 27 Calle Nelson Perea, Mayaguez, PR 00680
- Phone
- (787) 805-0595
- Enumerated
- Oct 20, 2005
- Record last updated
- May 2, 2023
- Fax
- (787) 805-0620
- Medicare enrollment
- Enrolled (PECOS I20060320000024); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 144 in Puerto Rico → Look up another NPI →
Also registered at 27 Calle Nelson Perea
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carlos Ramos Perea, M.D. F.A.A.P.Neonatal-Perinatal Medicine Physician1366426793
- Lourdes Santana-Charriez, PSY.D., M.A.Clinical Psychologist1164624466
Verify Carlos M. Martinez Rivera 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 12424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16.0 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
42,053 Medicare Part D claims for 2,144 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Synthroid5,342 claims
- Rosuvastatin Calcium2,881 claims
- Atorvastatin Calcium1,935 claims
- Losartan Potassium1,933 claims
- Humalog Kwikpen U-1001,783 claims
- Metformin Hcl Er1,652 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: $87.38
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Carlos M. Martinez Rivera among 144 endocrinology, diabetes & metabolism physician records in Puerto Rico
Carlos M. Martinez Rivera, MD is one of 144 endocrinology, diabetes & metabolism physician records with a practice address in Puerto Rico. 97% 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, 91% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1991 · median 2007 among the 119 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Puerto Rico
There are 144 endocrinology, diabetes & metabolism physician records in Puerto Rico.
All 144 in Puerto Rico → Every provider in Mayaguez → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Denise Caro, M.D.Mayaguez, PR 006801134221724
- Dannel Diaz Ruiz, MDMayaguez, PR 006801679066435
- Jose Gandara, MDMayaguez, PR 006801518963008
- Coral Jimenez Rovira, MDMayaguez, PR 006801326665746
- Yadiel Rivera-Nieves, MDMayaguez, PR 006801205368347
- Rose Roman Torres, M.D.Mayaguez, PR 006801124433909
- Carlos Santiagoalicea, M.D.Mayaguez, PR 006801346218310
- David Lopez RodriguezMayaguez, PR 006821295343267
Common questions
What is Carlos M. Martinez Rivera, MD's NPI number?
Carlos M. Martinez Rivera, MD's National Provider Identifier (NPI) is 1356330310, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Carlos M. Martinez Rivera, MD located?
The NPPES record lists a practice address at 27 Calle Nelson Perea, Mayaguez, PR, 00680. Phone: (787) 805-0595. Providers update this record themselves, so call before visiting.
How can I verify Carlos M. Martinez Rivera, MD's license?
NPPES lists Puerto Rico license number 12424, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Carlos M. Martinez Rivera, MD prescribe under Medicare Part D?
In 2024, Carlos M. Martinez Rivera, MD had 42,053 Medicare Part D claims for 2,144 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.