NPPES file of Aug 9, 2026

Slavisa Gasic, MD

Hematology & Oncology Physician · San Antonio, TX

Slavisa Gasic, MD is a hematology & oncology physician with a practice address in San Antonio, Texas, and NPI 1558403337, issued on Feb 12, 2007. Check the license (Texas M4790, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558403337
Name
Slavisa Gasic
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
M4790 TX
MD-25676 HI
39358 IA
Self-reported in NPPES; status is on the state search
Practice location
7355 Barlite Blvd Ste 504, San Antonio, TX 78224
Phone
(210) 616-9922
Enumerated
Feb 12, 2007
Record last updated
Jul 11, 2025
Fax
(210) 616-9901
Medicaid ID
186286404 TX
Medicare enrollment
Enrolled (PECOS I20250630003652); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →

Verify Slavisa Gasic in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M4790    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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One hospital affiliation

  1. Hilo Benioff Medical CenterHilo, HI · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Slavisa Gasic among 922 hematology & oncology physician records in Texas

Slavisa Gasic, MD is one of 922 hematology & oncology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 47% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1991 · median 2004 among the 691 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Texas

There are 922 hematology & oncology physician records in Texas.

All 922 in Texas → Every provider in San Antonio → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Alexei Arkhipov, M.D.San Antonio, TX 782241700980299
  2. Georg Aue, MDSan Antonio, TX 782291215928080
  3. David Boldt, M.D.San Antonio, TX 782291447253042
  4. Jose Cruz, MDSan Antonio, TX 782291720043524
  5. Sreedevi Daggubati, MDSan Antonio, TX 782291952373656
  6. Timothy Fenske, MDSan Antonio, TX 782291104877935
  7. Gregory Guzley, MDSan Antonio, TX 782291427020114
  8. Steven Kalter, M.D.San Antonio, TX 782291922032218

Common questions

What is Slavisa Gasic, MD's NPI number?

Slavisa Gasic, MD's National Provider Identifier (NPI) is 1558403337, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Slavisa Gasic, MD located?

The NPPES record lists a practice address at 7355 Barlite Blvd Ste 504, San Antonio, TX, 78224. Phone: (210) 616-9922. Providers update this record themselves, so call before visiting.

How can I verify Slavisa Gasic, MD's license?

NPPES lists Texas license number M4790, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.