William Rios, MD
NPI 1013928969 · General Practice Physician · Toa Alta, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Rios, MD is a General Practice Physician provider in Toa Alta, PR (NPI 1013928969).
Provider details
- NPI number
- 1013928969
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 15825 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 24 | 11 |
| Losartan Potassium | 22 | — |
| Atorvastatin Calcium | 22 | — |
| Dexamethasone | 22 | 20 |
| Metformin Hcl | 22 | — |
| Amlodipine Besylate | 16 | — |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Rios's NPI number?
- William Rios's National Provider Identifier (NPI) is 1013928969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Rios's specialty?
- William Rios is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is William Rios located?
- William Rios's practice location on file with NPPES is 32 Antonio Lopez, Toa Alta, PR 00954.
- What is William Rios's phone number?
- The practice phone number listed in the NPPES registry for William Rios is (787) 870-3760.
- Does William Rios accept Medicare?
- William Rios is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Rios's NPI active?
- Yes — William Rios's NPI (1013928969) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.