Mayra Rivera, MD
Internal Medicine Physician · San Juan, PR
Mayra Rivera, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1063409696, issued on Sep 29, 2005. Check the license (Puerto Rico 16091, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mayra Rivera
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 16091 PR
Self-reported in NPPES; status is on the state search - Practice location
- San Juan City Hospital, San Juan, PR 00936
- Phone
- (787) 766-2223
- Enumerated
- Sep 29, 2005
- Record last updated
- May 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at San Juan City Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mayra 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 16091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
25 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $21.89
1 payment: food and beverage; the largest payer was Stemline Therapeutics Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Mayra Rivera among 1,146 internal medicine physician records in Puerto Rico
Mayra Rivera, 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 updated2008 · 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
- James Abrams, MDSan Juan, PR 009361861721789
- Gustavo Altamar, M.D.Rio Piedras, PR 009361992908461
- Juan Aviles, M.D.Rio Piedras, PR 009361922412972
- Arleen Bigio, M.D.San Juan, PR 009361336108133
- Jaymilitte Bosques-Lorenzo, MDSan Juan, PR 009361922663921
- Nicolas Cabrera, M.D.San Juan, PR 009361932528031
- Vicente Covas, MDSan Juan, PR 009361710444716
- Jeremy Feliciano, M.DSan Juan, PR 009361861982167
Common questions
What is Mayra Rivera, MD's NPI number?
Mayra Rivera, MD's National Provider Identifier (NPI) is 1063409696, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mayra Rivera, MD located?
The NPPES record lists a practice address at San Juan City Hospital, San Juan, PR, 00936. Phone: (787) 766-2223. Providers update this record themselves, so call before visiting.
How can I verify Mayra Rivera, MD's license?
NPPES lists Puerto Rico license number 16091, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Mayra Rivera, MD prescribe under Medicare Part D?
In 2024, Mayra Rivera, MD had 25 Medicare Part D claims for 14 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.