Walter Rivera, M.D
NPI 1609886969 · General Practice Physician · Arecibo, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Rivera, M.D is a General Practice Physician provider in Arecibo, PR (NPI 1609886969).
Provider details
- NPI number
- 1609886969
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14927 (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
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 173 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 1,202 | 146 |
| Famotidine | 882 | 123 |
| Atorvastatin Calcium | 763 | 189 |
| Levothyroxine Sodiumbrand: Synthroid | 756 | 83 |
| Losartan Potassium | 391 | 91 |
| Lisinopril | 353 | 76 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$226 across 10 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-09
- Last updated
- 2007-07-09
Frequently asked questions
- What is Walter Rivera's NPI number?
- Walter Rivera's National Provider Identifier (NPI) is 1609886969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Rivera's specialty?
- Walter Rivera is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Rivera located?
- Walter Rivera's practice location on file with NPPES is 244 Calle Pino Tanyosho, Arecibo, PR 00612-5930.
- What is Walter Rivera's phone number?
- The practice phone number listed in the NPPES registry for Walter Rivera is (787) 884-6161.
- Does Walter Rivera accept Medicare?
- Walter Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Rivera's NPI active?
- Yes — Walter Rivera's NPI (1609886969) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.