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CANCER CARE CENTERS OF SOUTH TEXAS
NPI 1336120054
Internal Medicine - Hematology & Oncology in San Antonio, TX

Active since November 09, 2005
4411 MEDICAL DR, STE. 100, SAN ANTONIO, TX 78229(210) 595-5300(210) 614-8740 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Cancer Care Centers Of South Texas NPPES

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

CANCER CARE CENTERS OF SOUTH TEXAS (NPI 1336120054), doing business as Hematology Oncology Associates Of South Texas, is a healthcare organization registered as a hematology & oncology in San Antonio, Texas and active in the NPI registry since November 2005. The organization lists Roger M. Lyons, President, as its authorized official.

NPPES Registry Identity

NPI1336120054
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameCANCER CARE CENTERS OF SOUTH TEXAS
Location Address4411 MEDICAL DR, STE. 100San Antonio, TX 78229-3832
Mailing Address4411 Medical DrSan Antonio, TX 78229-3832 · (210) 595-5300 · Fax (210) 614-8740
Phone(210) 595-5300
Fax(210) 614-8740
Organization SubpartNo
Authorized OfficialRoger M. LyonsPresident · (210) 595-5300
Enumeration DateNovember 9, 2005
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1336120054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in TX · E3811
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.
Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X · License E3811 (TX)
4411 MEDICAL DR, STE. 100, San Antonio, TX 78229
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Other Names 1

Doing Business AsHematology Oncology Associates Of South Texas

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

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 Cancer Care Centers Of South Texas's NPI number?

The NPI number for Cancer Care Centers Of South Texas is 1336120054. It was assigned to this organization in the NPPES registry on November 9, 2005. The provider is doing business as Hematology Oncology Associates of South Texas.

Where is Cancer Care Centers Of South Texas located?

Cancer Care Centers Of South Texas is located at 4411 Medical Dr, Ste. 100, San Antonio, TX 78229. The listed phone number is (210) 595-5300.

What is Cancer Care Centers Of South Texas's specialty?

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

When was this NPI record last updated?

The NPPES record for Cancer Care Centers Of South Texas was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.