Eduardo Nieves-Olabarrieta, M.D.
Internal Medicine Physician · Rio Grande, PR
Eduardo Nieves-Olabarrieta, M.D. is an internal medicine physician with a practice address in Rio Grande, Puerto Rico, and NPI 1932526837, issued on Mar 28, 2014. Check the license (Puerto Rico 19742, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eduardo Nieves-Olabarrieta
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19742 PR
Self-reported in NPPES; status is on the state search - Practice location
- L2 Calle 6, Rio Grande, PR 00745
- Phone
- (787) 888-8888
- Enumerated
- Mar 28, 2014
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171109000608); may accept Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 2014
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at L2 Calle 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Balbino Ayala-Rosa, M.D.General Practice Physician1306806005
- Mayra Brea Perez, M.D.Mental Health Counselor1558315960
- Edward Nieves-Roman, M.D.Internal Medicine Physician1669580635
- Edmundo Reyes, M.D.Specialist1427164565
Verify Eduardo Nieves-Olabarrieta 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 19742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average internal medicine physician in 2024
5,901 Medicare Part D claims for 408 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium330 claims
- Losartan Potassium306 claims
- Gabapentin273 claims
- Simvastatin234 claims
- Metformin Hcl223 claims
- Famotidine158 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.
Eduardo Nieves-Olabarrieta among 1,146 internal medicine physician records in Puerto Rico
Eduardo Nieves-Olabarrieta, 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 2014, is newer than 67% of them.
- NPI issued2014 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2014 · median 1996 among the 595 with a school on file
- Record last updated2018 · 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).
4 internal medicine physician records list a practice address in Rio Grande
They are 4 of the 218 NPPES records with a practice address in Rio Grande, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Rio Grande → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Evelyn Matta Fontanet, M.D.Rio Grande, PR 007451700822574
- Edward Nieves-Roman, M.D.Rio Grande, PR 007451669580635
- Ulises Toledo, M.D.Rio Grande, PR 007451083810816
- Francisco Mendez, MDSalinas, PR 007511750484119
- Carlos Mora Quesada, MDCidra, PR 007391679651038
- Erasto Rodriguez, M.D.Cidra, PR 007391619067170
- Miguel Rodriguez, MDCidra, PR 007391568466522
- Hector Ruiz, M.D.Salinas, PR 007511437224235
Common questions
What is Eduardo Nieves-Olabarrieta, M.D.'s NPI number?
Eduardo Nieves-Olabarrieta, M.D.'s National Provider Identifier (NPI) is 1932526837, issued on Mar 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Eduardo Nieves-Olabarrieta, M.D. located?
The NPPES record lists a practice address at L2 Calle 6, Rio Grande, PR, 00745. Phone: (787) 888-8888. Providers update this record themselves, so call before visiting.
How can I verify Eduardo Nieves-Olabarrieta, M.D.'s license?
NPPES lists Puerto Rico license number 19742, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Eduardo Nieves-Olabarrieta, M.D. prescribe under Medicare Part D?
In 2024, Eduardo Nieves-Olabarrieta, M.D. had 5,901 Medicare Part D claims for 408 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.