Gustavo Adolfo Altamar, M.D.
Internal Medicine Physician · Rio Piedras, PR
Gustavo Adolfo Altamar, M.D. is an internal medicine physician with a practice address in Rio Piedras, Puerto Rico, and NPI 1992908461, issued on Jun 11, 2007. Check the license (Puerto Rico 17448, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gustavo Adolfo Altamar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 17448 PR
Self-reported in NPPES; status is on the state search - Practice location
- Hospatal Municipal DE San Juan, Rio Piedras, PR 00936
- Phone
- (787) 765-5147
- Enumerated
- Jun 11, 2007
- Record last updated
- Apr 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (787) 765-5147
- Medicare enrollment
- Enrolled (PECOS I20091007000272); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Verify Gustavo Adolfo Altamar 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 17448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.5 times the Medicare Part D claims of the average internal medicine physician in 2024
20,649 Medicare Part D claims for 945 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 230 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,110 claims
- Gabapentin774 claims
- Famotidine732 claims
- Omeprazole581 claims
- Metformin Hcl574 claims
- Losartan Potassium568 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: $73.48
3 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.
Gustavo Adolfo Altamar among 1,146 internal medicine physician records in Puerto Rico
Gustavo Adolfo Altamar, M.D. 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
- Graduated2006 · median 1996 among the 595 with a school on file
- Record last updated2017 · 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).
18 internal medicine physician records list a practice address in Rio Piedras
They are 18 of the 372 NPPES records with a practice address in Rio Piedras, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Rio Piedras → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Abrams, MDSan Juan, PR 009361861721789
- 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
- Gonzalo Gonzalez Liboy, MD FACPSan Juan, PR 009361679781595
Common questions
What is Gustavo Adolfo Altamar, M.D.'s NPI number?
Gustavo Adolfo Altamar, M.D.'s National Provider Identifier (NPI) is 1992908461, issued on Jun 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gustavo Adolfo Altamar, M.D. located?
The NPPES record lists a practice address at Hospatal Municipal DE San Juan, Rio Piedras, PR, 00936. Phone: (787) 765-5147. Providers update this record themselves, so call before visiting.
How can I verify Gustavo Adolfo Altamar, M.D.'s license?
NPPES lists Puerto Rico license number 17448, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Gustavo Adolfo Altamar, M.D. prescribe under Medicare Part D?
In 2024, Gustavo Adolfo Altamar, M.D. had 20,649 Medicare Part D claims for 945 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.