Ruben Rosario Castillo, M.D
NPI 1063412856 · General Practice Physician · Lajas, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruben Rosario Castillo, M.D is a General Practice Physician provider in Lajas, PR (NPI 1063412856).
Provider details
- NPI number
- 1063412856
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14435 (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
20 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 · 245 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 1,701 | 432 |
| Levothyroxine Sodium | 1,169 | 280 |
| Losartan Potassium | 939 | 277 |
| Atorvastatin Calcium | 933 | 292 |
| Amlodipine Besylate | 924 | 290 |
| Rosuvastatin Calcium | 843 | 251 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,053 across 13 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
- 2005-07-22
- Last updated
- 2024-09-25
- Certified
- 2024-09-19
Frequently asked questions
- What is Ruben Rosario Castillo's NPI number?
- Ruben Rosario Castillo's National Provider Identifier (NPI) is 1063412856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruben Rosario Castillo's specialty?
- Ruben Rosario Castillo is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Ruben Rosario Castillo located?
- Ruben Rosario Castillo's practice location on file with NPPES is Carr. 116 Km 2.0 Bo Sabana Yeguas, Lajas, PR 00667-2061.
- What is Ruben Rosario Castillo's phone number?
- The practice phone number listed in the NPPES registry for Ruben Rosario Castillo is (787) 899-2865.
- Does Ruben Rosario Castillo accept Medicare?
- Ruben Rosario Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruben Rosario Castillo's NPI active?
- Yes — Ruben Rosario Castillo's NPI (1063412856) is active in the NPPES registry as of the last update on 2024-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.