Erick G. Nieves Rivera, M.D.
Internal Medicine Physician · San Sebastian, PR
Erick G. Nieves Rivera, M.D. is an internal medicine physician with a practice address in San Sebastian, Puerto Rico, and NPI 1093897381, issued on Oct 19, 2006. Check the license (Puerto Rico 8171, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erick G. Nieves Rivera
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 8171 PR
Self-reported in NPPES; status is on the state search - Practice location
- 32 Calle Jesus T Pinero, San Sebastian, PR 00685
- Phone
- (787) 280-2600
- Enumerated
- Oct 19, 2006
- Record last updated
- Dec 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (787) 280-3611
- Medicare enrollment
- Enrolled (PECOS I20080201000027); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Verify Erick G. Nieves 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 8171Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,654 Medicare Part D claims for 368 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Gabapentin323 claims
- Atorvastatin Calcium294 claims
- Metformin Hcl251 claims
- Simvastatin242 claims
- Losartan Potassium238 claims
- Montelukast Sodium206 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.
Erick G. Nieves Rivera among 1,146 internal medicine physician records in Puerto Rico
Erick G. Nieves Rivera, 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1984 · median 1996 among the 595 with a school on file
- Record last updated2019 · 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).
6 internal medicine physician records list a practice address in San Sebastian
They are 6 of the 347 NPPES records with a practice address in San Sebastian, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in San Sebastian → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Olga Guzman Guzman, MDSan Sebastian, PR 006851376691477
- Manuel Jimenez-Espinosa, M.D.San Sebastian, PR 006851487791976
- Damaris Ortiz Gonzalez, M.D.San Sebastian, PR 006851972993947
- Carlos Ramos, M.D.San Sebastian, PR 006851023231131
- Steven Roman Gonzalez, MDSan Sebastian, PR 006851386712230
- Kamyl Acosta Torres, MDSan German, PR 006831326526724
- Jose Ayala, MDSan German, PR 006831730666173
- Maximiliano CarreraSan German, PR 006831861233579
Common questions
What is Erick G. Nieves Rivera, M.D.'s NPI number?
Erick G. Nieves Rivera, M.D.'s National Provider Identifier (NPI) is 1093897381, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Erick G. Nieves Rivera, M.D. located?
The NPPES record lists a practice address at 32 Calle Jesus T Pinero, San Sebastian, PR, 00685. Phone: (787) 280-2600. Providers update this record themselves, so call before visiting.
How can I verify Erick G. Nieves Rivera, M.D.'s license?
NPPES lists Puerto Rico license number 8171, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Erick G. Nieves Rivera, M.D. prescribe under Medicare Part D?
In 2024, Erick G. Nieves Rivera, M.D. had 6,654 Medicare Part D claims for 368 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.