Alwin Negron-Rivera, M.D.
Internal Medicine Physician · Corozal, PR
Alwin Negron-Rivera, M.D. is an internal medicine physician with a practice address in Corozal, Puerto Rico, and NPI 1134504814, issued on Jul 23, 2015. Check the license (Puerto Rico 19795, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alwin Negron-Rivera
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19795 PR
Self-reported in NPPES; status is on the state search - Practice location
- Carr 891, Corozal, PR 00783
- Phone
- (787) 859-2560
- Enumerated
- Jul 23, 2015
- Record last updated
- Sep 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210729003381); accepts Medicare assignment
- Medical or professional school
- College Of Physicians And Surgeons (California), 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Verify Alwin Negron-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 19795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,705 Medicare Part D claims for 110 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Atorvastatin Calcium270 claims
- Gabapentin151 claims
- Losartan Potassium120 claims
- Synthroid114 claims
- Jentadueto Xr105 claims
- Lisinopril104 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: $49.78
2 payments; by number, the most common kind was food and beverage; the largest payer was Pbg Puerto Rico LLC. 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.
Bills Medicare through one group practice
- Salud Integral EN LA Montana IncCorozal, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alwin Negron-Rivera among 1,146 internal medicine physician records in Puerto Rico
Alwin Negron-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 2015, is newer than 69% of them.
- NPI issued2015 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2011 · median 1996 among the 595 with a school on file
- Record last updated2021 · 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).
5 internal medicine physician records list a practice address in Corozal
They are 5 of the 180 NPPES records with a practice address in Corozal, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Corozal → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daled Bahri, M.D.Corozal, PR 007831316985005
- Ana Castro, MDCorozal, PR 007831316987233
- Mario Maldonado Ramirez, MDCorozal, PR 007831144204785
- Juan Ortiz Matos, MDCorozal, PR 007831447293816
- Ausberto Alejandro BenitezGuayama, PR 007841023187309
- Blanca Buonomo, M.D.Guayama, PR 007841457550550
- Alberto Candelario Pieve, MDGuayama, PR 007841962484618
- Juan Davila-Lopes, MDGuayama, PR 007841821192386
Common questions
What is Alwin Negron-Rivera, M.D.'s NPI number?
Alwin Negron-Rivera, M.D.'s National Provider Identifier (NPI) is 1134504814, issued on Jul 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alwin Negron-Rivera, M.D. located?
The NPPES record lists a practice address at Carr 891, Corozal, PR, 00783. Phone: (787) 859-2560. Providers update this record themselves, so call before visiting.
How can I verify Alwin Negron-Rivera, M.D.'s license?
NPPES lists Puerto Rico license number 19795, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Alwin Negron-Rivera, M.D. prescribe under Medicare Part D?
In 2024, Alwin Negron-Rivera, M.D. had 2,705 Medicare Part D claims for 110 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.