Karina Reyes-Castillo, MD
NPI 1821470170 · General Practice Physician · San Juan, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1821470170
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 022536 (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
10 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Lisinopril | 38 |
| Atorvastatin Calcium | 32 |
| Amlodipine Besylate | 28 |
| Simvastatin | 24 |
| Hydrochlorothiazide | 22 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 20 |
| Levothyroxine Sodiumbrand: Synthroid | 19 |
| Famotidine | 18 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-23
- Last updated
- 2021-10-15
- Certified
- 2021-10-15
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.