Alwin Negron-Rivera, M.D.
NPI 1134504814 · Internal Medicine Physician · Corozal, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alwin Negron-Rivera, M.D. is a Internal Medicine Physician provider in Corozal, PR (NPI 1134504814).
Provider details
- NPI number
- 1134504814
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 19795 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 270 | 49 |
| Gabapentin | 151 | 28 |
| Losartan Potassium | 120 | 21 |
| Levothyroxine Sodiumbrand: Synthroid | 114 | 24 |
| Linagliptin/Metformin Hclbrand: Jentadueto Xr | 105 | 18 |
| Lisinopril | 104 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Mailing address
Additional practice locations (1)
- Bo Quebrada Cruz Carr 165 Km 4.5Toa Alta, PR 00954Phone: (787) 545-8808
Registry dates
- Enumerated
- 2015-07-23
- Last updated
- 2021-09-13
- Certified
- 2021-08-26
Frequently asked questions
- What is Alwin Negron-Rivera's NPI number?
- Alwin Negron-Rivera's National Provider Identifier (NPI) is 1134504814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alwin Negron-Rivera's specialty?
- Alwin Negron-Rivera is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alwin Negron-Rivera located?
- Alwin Negron-Rivera's practice location on file with NPPES is Carr 891, Corozal, PR 00783-2441.
- What is Alwin Negron-Rivera's phone number?
- The practice phone number listed in the NPPES registry for Alwin Negron-Rivera is (787) 859-2560.
- Does Alwin Negron-Rivera accept Medicare?
- Alwin Negron-Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alwin Negron-Rivera's NPI active?
- Yes — Alwin Negron-Rivera's NPI (1134504814) is active in the NPPES registry as of the last update on 2021-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.