THERESE RIZZO FNP
NPI 1245485556
Nurse Practitioner in San Antonio, TX
About Therese Rizzo Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESE RIZZO FNP (NPI 1245485556) is an individual nurse practitioner in San Antonio, Texas, licensed in Texas (638809) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Medical Center, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Therese Rizzo Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Therese Rizzo reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 2 clinicians in this Medicare group
San Antonio, TX 78249
- Reassigned Medicare billing, Texas enrollment
- 379 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 149 clinicians in this Medicare group
San Antonio, TX 78257
- Reassigned Medicare billing, Texas enrollment
- 20 clinicians in this Medicare group
San Marcos, TX 78666
- Reassigned Medicare billing, Texas enrollment
- 137 clinicians in this Medicare group
Gonzales, TX 78629
- Reassigned Medicare billing, Texas enrollment
- 430 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Santa Rosa Medical Center
Acute Care Hospitals · San Antonio, TXChristus Santa Rosa Hospital-San Marcos
Acute Care Hospitals · San Marcos, TXMethodist Hospital Stone Oak
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78205
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 Therese Rizzo's NPI number?
The NPI number for Therese Rizzo is 1245485556. It was assigned to this individual provider in the NPPES registry on December 1, 2008.
Where is Therese Rizzo located?
Therese Rizzo practices at 111 Dallas St, San Antonio, TX 78205. The listed phone number is (210) 495-9860.
What is Therese Rizzo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Therese Rizzo enrolled in Medicare?
Yes. Therese Rizzo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Therese Rizzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Therese Rizzo reassigns Medicare benefits to 8 organizations: Emergency Medicine Services Of Tx, PLLC (San Antonio, TX), Heart And Rhythm Institute Of South Texas, PA (San Antonio, TX), Third Coast Emergency Physicians Southwest PA (San Antonio, TX), Bexar Emergency Physicians, PLLC (San Antonio, TX), Pvd Urgent Care LLC (San Antonio, TX) and 3 more organizations, listed in the Medicare section above. Each 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 Therese Rizzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Therese Rizzo accept?
Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Therese Rizzo 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.
Is Therese Rizzo affiliated with any hospitals?
According to CMS data, Therese Rizzo is affiliated with Christus Santa Rosa Medical Center, Christus Santa Rosa Hospital-San Marcos and Methodist Hospital Stone Oak.
When was this NPI record last updated?
The NPPES record for Therese Rizzo was last updated on September 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Therese Rizzo, FNP · NPI 1245485556
Nurse Practitioner physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since December 1, 2008.
## Identity
- **NPI:** 1245485556 (Entity type: Individual)
- **Enumerated:** December 1, 2008
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 638809 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 DALLAS ST, San Antonio, TX 78205-1201
- **Phone:** (210) 495-9860
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Heart And Rhythm Institute Of South Texas, PA (NPI 1003205873, San Antonio, TX); Third Coast Emergency Physicians Southwest PA (NPI 1497793475, San Antonio, TX); Bexar Emergency Physicians, PLLC (NPI 1548034994, San Antonio, TX); Pvd Urgent Care LLC (NPI 1033652110, San Antonio, TX); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** September 17, 2009
- **Other identifiers:** Medicare PIN 8L6157 (TX); Medicare PIN 8L13368 (TX); Other 8Y9425 (TX); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1245485556) · Data from the CMS NPPES public registry.