SOUTH TEXAS ONCOLOGY AND HEMATOLOGY, PLLC
NPI 1770664542
Internal Medicine - Hematology & Oncology in San Antonio, TX
About South Texas Oncology And Hematology, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOUTH TEXAS ONCOLOGY AND HEMATOLOGY, PLLC (NPI 1770664542) is a healthcare organization registered as a hematology & oncology in San Antonio, Texas and active in the NPI registry since October 2006. The organization holds an CLIA Accreditation certificate valid through April 5, 2028 and lists Lon S. Smith, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Identifiers 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
South Texas Oncology And Hematology, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
51Medicare enrollment records show 51 clinicians reassign Medicare billing to South Texas Oncology And Hematology, PLLC, which bills Medicare for the services they deliver. Of these, 31 practice at this address and 44 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 10
Nearest to this location (20)
See all 51Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Accreditation 45D0913925
South Texas Oncology And Hematology · San Antonio, TXMedical Equipment Supplier Medicare DMEPOS
Medicare supplier enrollment and the product categories The Start Center Pharmacy carries, from the Medicare DMEPOS supplier directory.
The Start Center Pharmacy
DMEPOS supplier · San Antonio, TXOperated by South Texas Oncology And Hematology, PLLCAccepts Medicare assignment
The Start Center Pharmacy agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Product Categories
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 South Texas Oncology And Hematology, PLLC's NPI number?
The NPI number for South Texas Oncology And Hematology, PLLC is 1770664542. It was assigned to this organization in the NPPES registry on October 18, 2006.
Where is South Texas Oncology And Hematology, PLLC located?
South Texas Oncology And Hematology, PLLC is located at 4383 Medical Drive, San Antonio, TX 78229. The listed phone number is (210) 593-2575.
What is South Texas Oncology And Hematology, PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is South Texas Oncology And Hematology, PLLC enrolled in Medicare?
Yes. South Texas Oncology And Hematology, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through South Texas Oncology And Hematology, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 51 clinicians in 10 Medicare specialties reassign their Medicare billing to South Texas Oncology And Hematology, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Hematology/Oncology (11), Medical Oncology (11) and General Surgery (10). Of these, 31 practice at this address and 44 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does South Texas Oncology And Hematology, PLLC accept Medicare assignment for medical equipment?
Yes. As a Medicare medical equipment supplier, The Start Center Pharmacy accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.
Does South Texas Oncology And Hematology, PLLC hold a CLIA laboratory certificate?
Yes. A Certificate of Accreditation (number 45D0913925) is associated with this NPI, valid through April 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does South Texas Oncology And Hematology, PLLC accept?
Health plans from WellPoint list South Texas Oncology And Hematology, PLLC 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.
When was this NPI record last updated?
The NPPES record for South Texas Oncology And Hematology, PLLC was last updated on May 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.
# South Texas Oncology And Hematology, Pllc · NPI 1770664542
Hematology & Oncology organization in San Antonio, Texas. Organization record, active in the CMS NPPES registry since October 18, 2006.
## Identity
- **NPI:** 1770664542 (Entity type: Organization)
- **Enumerated:** October 18, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Organization subpart:** No
- **Authorized official:** Lon Smith, PRESIDENT
## Practice location
- **Address:** 4383 MEDICAL DRIVE, San Antonio, TX 78229-3307
- **Phone:** (210) 593-2575 · **Fax:** (210) 593-5992
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 51 clinicians in 10 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Hematology/Oncology (11), Medical Oncology (11), General Surgery (10); 31 practice at this address and 44 within 10 miles; [full list](https://npiprofile.com/npi/1770664542/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 16, 2013
- **Other identifiers:** Medicare ID-Type Unspecified 00023N; Medicaid 092331001 (TX); Medicare NSC 5137880004 (TX)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1770664542) · Data from the CMS NPPES public registry.