ONCOLOGY SAN ANTONIO
NPI 1790180370
Internal Medicine - Hematology & Oncology in San Antonio, TX
About Oncology San Antonio NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ONCOLOGY SAN ANTONIO (NPI 1790180370) is a healthcare organization registered as a hematology & oncology in San Antonio, Texas and active in the NPI registry since October 2014. The organization holds a CLIA Waiver certificate valid through May 15, 2028 and lists Jayasree Rao, Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Oncology San Antonio is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
17Medicare enrollment records show 17 clinicians reassign Medicare billing to Oncology San Antonio, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 9 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (17)
Source: 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 Waiver 45D2304694
Oncology San Antonio - Dt · San Antonio, TXFrequently 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 Oncology San Antonio's NPI number?
The NPI number for Oncology San Antonio is 1790180370. It was assigned to this organization in the NPPES registry on October 25, 2014.
Where is Oncology San Antonio located?
Oncology San Antonio is located at 202 Baltimore, San Antonio, TX 78215. The listed phone number is (210) 299-8000.
What is Oncology San Antonio's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Oncology San Antonio enrolled in Medicare?
Yes. Oncology San Antonio is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Oncology San Antonio?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 4 Medicare specialties reassign their Medicare billing to Oncology San Antonio. 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 Nurse Practitioner (9), Hematology/Oncology (4) and Medical Oncology (3). Of these, 4 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Oncology San Antonio hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 45D2304694) is associated with this NPI, valid through May 15, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Oncology San Antonio accept?
Health plans from WellPoint list Oncology San Antonio 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 Oncology San Antonio was last updated on May 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Oncology San Antonio · NPI 1790180370
Hematology & Oncology organization in San Antonio, Texas. Organization record, active in the CMS NPPES registry since October 25, 2014.
## Identity
- **NPI:** 1790180370 (Entity type: Organization)
- **Enumerated:** October 25, 2014
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Organization subpart:** No
- **Authorized official:** Jayasree Rao, PARTNER
## Practice location
- **Address:** 202 BALTIMORE, San Antonio, TX 78215-1907
- **Phone:** (210) 299-8000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 17 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (9), Hematology/Oncology (4), Medical Oncology (3); 4 practice at this address and 9 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 21, 2020
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1790180370) · Data from the CMS NPPES public registry.