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SLAVISA GASIC MD
NPI 1558403337
Internal Medicine - Hematology & Oncology in San Antonio, TX

Active since February 12, 2007PECOS EnrolledAccepts Medicare Assignment
7355 BARLITE BLVD STE 504, SAN ANTONIO, TX 78224(210) 616-9922(210) 616-9901 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jul 11, 2025, May 9, 2016, Mar 18, 2016 (3 updates tracked since 2016).

About Slavisa Gasic Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SLAVISA GASIC MD (NPI 1558403337) is an individual hematology & oncology provider in San Antonio, Texas, licensed in Texas (M4790) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Hilo Medical Center, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1558403337
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameSLAVISA GASICCredential: MD
Location Address7355 BARLITE BLVD STE 504San Antonio, TX 78224-1341
Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-2987
Phone(210) 616-9922
Fax(210) 616-9901
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateFebruary 12, 2007
Last NPPES UpdateJuly 11, 20253 updates tracked since enumeration
NPPES CertifiedJuly 11, 2025
✔ NPI 1558403337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in TX · M4790✔ Licensed in IA · 39358✔ Licensed in HI · MD-25676
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
7355 BARLITE BLVD STE 504, San Antonio, TX 78224
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Other Identifiers 2

Medicaid186286404TX
OtherP01654273TX · Railroad

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, HMSA.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Slavisa Gasic Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638270010
PECOS Enrollment IDI20250630003652
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hilo Medical Center

Acute Care Hospitals · Hilo, HI
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number120005
Location1190 Waianuenue AvenueHilo, HI 96720 · Hawaii County
Emergency services Birthing friendly

Kau Hospital

Critical Access Hospitals · Pahala, HI
OwnershipGovernment - State
CMS Certification Number121301
Location1 Kamani StreetPahala, HI 96777 · Hawaii County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Slavisa Gasic's NPI number?

The NPI number for Slavisa Gasic is 1558403337. It was assigned to this individual provider in the NPPES registry on February 12, 2007.

Where is Slavisa Gasic located?

Slavisa Gasic practices at 7355 Barlite Blvd Ste 504, San Antonio, TX 78224. The listed phone number is (210) 616-9922.

What is Slavisa Gasic's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Slavisa Gasic enrolled in Medicare?

Yes. Slavisa Gasic is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Slavisa Gasic accept?

Health plans from Blue Cross and Blue Shield of Texas and HMSA list Slavisa Gasic as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Slavisa Gasic affiliated with any hospitals?

According to CMS data, Slavisa Gasic is affiliated with Hilo Medical Center and Kau Hospital.

When was this NPI record last updated?

The NPPES record for Slavisa Gasic was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.