NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

South Texas Oncology and Hematology, Pllc

Hematology & Oncology Physician in San Antonio, TX · enumerated 2006 · authorized official Lon Smith, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1770664542

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name South Texas Oncology and Hematology, Pllc
Practice address 4383 Medical Drive, San Antonio, TX, 78229
Phone (210) 593-2575
Fax (210) 593-5992
Enumeration date Oct 18, 2006
Last updated in NPPES May 16, 2013

Taxonomy & classification

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians Primary
207VX0201X Gynecologic Oncology Physician Allopathic & Osteopathic Physicians Secondary
2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians Secondary
332B00000X Durable Medical Equipment & Medical Supplies Suppliers Secondary

Authorized official

Name Lon Smith
Title President
Phone (210) 593-5700

Other identifiers

Identifier Type State Issuer
092331001 Medicaid TX -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is South Texas Oncology and Hematology, Pllc located?
The practice location on file with NPPES is in San Antonio, TX.
How current is this record?
Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2013-05-16. Verify at npiregistry.cms.hhs.gov.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-16.