Slavisa Gasic, MD
NPI 1558403337 · Hematology & Oncology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Slavisa Gasic, MD is a Hematology & Oncology Physician provider in San Antonio, TX (NPI 1558403337).
Provider details
- NPI number
- 1558403337
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39358 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-12
- Last updated
- 2025-07-11
- Certified
- 2025-07-11
Frequently asked questions
- What is Slavisa Gasic's NPI number?
- Slavisa Gasic's National Provider Identifier (NPI) is 1558403337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Slavisa Gasic's specialty?
- Slavisa Gasic is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Slavisa Gasic located?
- Slavisa Gasic's practice location on file with NPPES is 7355 Barlite Blvd Ste 504, San Antonio, TX 78224-1341.
- What is Slavisa Gasic's phone number?
- The practice phone number listed in the NPPES registry for Slavisa Gasic is (210) 616-9922.
- Does Slavisa Gasic accept Medicare?
- Slavisa Gasic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Slavisa Gasic's NPI active?
- Yes — Slavisa Gasic's NPI (1558403337) is active in the NPPES registry as of the last update on 2025-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.