Gladys Sastre, MD
NPI 1962491258 · Internal Medicine Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gladys Sastre, MD is a Internal Medicine Physician provider in San Juan, PR (NPI 1962491258).
Provider details
- NPI number
- 1962491258
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 13011 (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
20 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 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 143 | 39 |
| Gabapentin | 120 | 41 |
| Metformin Hcl | 106 | 31 |
| Atorvastatin Calcium | 105 | 42 |
| Irbesartan | 83 | 30 |
| Prednisone | 81 | 44 |
| Amlodipine Besylate | 75 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-19
- Last updated
- 2010-06-11
Frequently asked questions
- What is Gladys Sastre's NPI number?
- Gladys Sastre's National Provider Identifier (NPI) is 1962491258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gladys Sastre's specialty?
- Gladys Sastre is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gladys Sastre located?
- Gladys Sastre's practice location on file with NPPES is 369 Ave De Diego, San Juan, PR 00923-3003.
- What is Gladys Sastre's phone number?
- The practice phone number listed in the NPPES registry for Gladys Sastre is (787) 753-8778.
- Does Gladys Sastre accept Medicare?
- Gladys Sastre is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gladys Sastre's NPI active?
- Yes — Gladys Sastre's NPI (1962491258) is active in the NPPES registry as of the last update on 2010-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.