SOUTH TEXAS RADIOLOGY GROUP PA
NPI 1851368039
Radiology - Diagnostic Radiology in San Antonio, TX
About South Texas Radiology Group Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOUTH TEXAS RADIOLOGY GROUP PA (NPI 1851368039) is a healthcare organization registered as a diagnostic radiology in San Antonio, Texas and active in the NPI registry since March 2006. The organization lists Bill Ziemke, Chief Executive Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
South Texas Radiology Group Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
123Medicare enrollment records show 123 clinicians reassign Medicare billing to South Texas Radiology Group PA, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 63 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 123San Antonio, TX 78230
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Radiology Group PA's NPI number?
The NPI number for South Texas Radiology Group PA is 1851368039. It was assigned to this organization in the NPPES registry on March 7, 2006.
Where is South Texas Radiology Group PA located?
South Texas Radiology Group PA is located at Colonnade I, 9901 Ih-10 West Suite 905, San Antonio, TX 78230. The listed phone number is (210) 616-7700.
What is South Texas Radiology Group PA's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is South Texas Radiology Group PA enrolled in Medicare?
Yes. South Texas Radiology Group PA is registered in the Medicare PECOS enrollment system.
When is South Texas Radiology Group PA's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through South Texas Radiology Group PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 123 clinicians in 3 Medicare specialties reassign their Medicare billing to South Texas Radiology Group PA. 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 Diagnostic Radiology (118), Interventional Radiology (4) and Neurology (1). Of these, 1 practice at this address and 63 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does South Texas Radiology Group PA accept?
Health plans from Blue Cross and Blue Shield of Texas list South Texas Radiology Group PA 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 Radiology Group PA was last updated on April 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 Radiology Group Pa · NPI 1851368039
Diagnostic Radiology organization in San Antonio, Texas. Organization record, active in the CMS NPPES registry since March 7, 2006.
## Identity
- **NPI:** 1851368039 (Entity type: Organization)
- **Enumerated:** March 7, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **Organization subpart:** No
- **Authorized official:** Bill Ziemke, CHIEF EXECUTIVE OFFICER
## Practice location
- **Address:** COLONNADE I, 9901 IH-10 WEST, SUITE 905, San Antonio, TX 78230
- **Phone:** (210) 616-7700
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, Texas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 123 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Diagnostic Radiology (118), Interventional Radiology (4), Neurology (1); 1 practice at this address and 63 within 10 miles; [full list](https://npiprofile.com/npi/1851368039/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 2, 2024
- **Other identifiers:** Medicaid 121681401 (TX); Other 121681402 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1851368039) · Data from the CMS NPPES public registry.