NPPES file of Aug 9, 2026

Olga Melendez-Martinez, MD

Nephrology Physician · Humacao, PR

Olga Melendez-Martinez, MD is a nephrology physician with a practice address in Humacao, Puerto Rico, and NPI 1649381856, issued on Aug 31, 2006. Check the license (Puerto Rico 7167, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649381856
Name
Olga Melendez-Martinez
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
7167 PR
Self-reported in NPPES; status is on the state search
Practice location
Hospital Ryder, Humacao, PR 00791
Phone
(787) 923-3246
Enumerated
Aug 31, 2006
Record last updated
Feb 24, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Olga Melendez-Martinez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 7167
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

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97% fewer Medicare Part D claims than the average nephrology physician in 2024

43 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Olga Melendez-Martinez43
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate12 claims
  2. Metoprolol Succinate12 claims
  3. Candesartan Cilexetil11 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.

Olga Melendez-Martinez among 152 nephrology physician records in Puerto Rico

Olga Melendez-Martinez, MD is one of 152 nephrology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 63% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileNo · 82% of these records are
  • Record last updated2012 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Puerto Rico

There are 152 nephrology physician records in Puerto Rico.

The 8 nephrology physician records with the nearest ZIP codes

  1. Fatima Cintron-Rosa, M.D.Humacao, PR 007911578827309
  2. Alexander CorderoHumacao, PR 007911053112748
  3. Jesse Diaz Correa, MDHumacao, PR 007911609242288
  4. Carlos Claudio-Rodriguez, M.D.Juana Diaz, PR 007951841524196
  5. Luis Vazquez Moyet, M.D.Guayama, PR 007851831398429
  6. Francisco Caraballo Garcia, MDCoto Laurel, PR 007801881151694
  7. Jorge Grillasca Palou, M.D.Coto Laurel, PR 007801467493726
  8. Alexandra Rosario AuletCoto Laurel, PR 007801629558895

Common questions

What is Olga Melendez-Martinez, MD's NPI number?

Olga Melendez-Martinez, MD's National Provider Identifier (NPI) is 1649381856, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Olga Melendez-Martinez, MD located?

The NPPES record lists a practice address at Hospital Ryder, Humacao, PR, 00791. Phone: (787) 923-3246. Providers update this record themselves, so call before visiting.

How can I verify Olga Melendez-Martinez, MD's license?

NPPES lists Puerto Rico license number 7167, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Olga Melendez-Martinez, MD prescribe under Medicare Part D?

In 2024, Olga Melendez-Martinez, MD had 43 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.