NPI age
20 years
Enumerated 2005-11-09
● Active Type 2 · Organization
Cancer Care Centers Of South Texas
Cancer Care Centers Of South Texas is 1 of 1069 internal medicine organizations in Texas.
Primary specialty
Internal Medicine
Plus 1 secondary
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Lyons
President
Last NPPES update
2025-09-11
Source: monthly bulk 2026-05
How this organization compares
Across 1069 active internal medicine providers in Texas.
NPI age
20 years
↑ 2 yr above median
Practice locations
1
0 secondary on file
Subspecialties
1
In the 52% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-11Enumerated in NPPES
2005
2026
Where they practice
Primary practice location
4411 Medical Dr, Ste. 100
San Antonio, TX 782293832
Mailing address
4411 Medical Dr
San Antonio, TX 782293832
Authorized official
Roger M. Lyons, MD
President
📞 2105955300
Specialties
-
Internal Medicine PrimaryAn 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...
-
RadiologyA radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Other names on file (1)
Doing-business-as, former, and alternate names recorded by NPPES.
-
Hematology Oncology Associates of South Texas
Practice context
Single-site organization. Only one practice location on file.
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