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THERESA FANASCH MSN, APRN, FNP-C
NPI 1952065310
Nurse Practitioner - Primary Care in San Antonio, TX

Active since October 22, 2021PECOS Enrolled
63 CHAMPIONS RUN, SAN ANTONIO, TX 78258(409) 554-2645 Get Directions Write a Review

NPPES record last updated: October 22, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Theresa Fanasch Msn, Aprn, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THERESA FANASCH MSN, APRN, FNP-C (NPI 1952065310) is an individual primary care provider in San Antonio, Texas, licensed in Texas (1057198) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952065310
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameTHERESA FANASCHCredential: MSN, APRN, FNP-C
Location Address63 CHAMPIONS RUNSan Antonio, TX 78258-7703
Mailing Address63 Champions RunSan Antonio, TX 78258-7703 · (409) 554-2645
Phone(409) 554-2645
Sole ProprietorNo
Enumeration DateOctober 22, 2021
NPPES CertifiedOctober 22, 2021
✔ NPI 1952065310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in TX · 1057198
63 CHAMPIONS RUN, San Antonio, TX 78258
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Theresa Fanasch Msn, Aprn, Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Theresa Fanasch reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regional Physician Services Of Texas, P.A.
204 mi
Nurse Practitioner
4400 BUFFALO GAP RD FL 1
Abilene, TX 79606
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Regional Physician Services Of Texas PA
  • 396 clinicians in this Medicare group
NPI 1043529944 (877) 564-3627
Innovative Infusions, LLC
245 mi
Infusion Therapy
11317 N CENTRAL EXPY STE 100
Dallas, TX 75243
  • Reassigned Medicare billing, Texas enrollment
  • 88 clinicians in this Medicare group
NPI 1811299944 (972) 588-1000
Metro Infectious Disease Consultants, LLC
1,022 mi
Infectious Disease
901 MCCLINTOCK DR, SUITE 202
Burr Ridge, IL 60527
  • Reassigned Medicare billing, Texas enrollment
  • 41 clinicians in this Medicare group
NPI 1235125717 (888) 220-6432

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78258 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Theresa Fanasch's NPI number?

The NPI number for Theresa Fanasch is 1952065310. It was assigned to this individual provider in the NPPES registry on October 22, 2021.

Where is Theresa Fanasch located?

Theresa Fanasch practices at 63 Champions Run, San Antonio, TX 78258. The listed phone number is (409) 554-2645.

What is Theresa Fanasch's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Theresa Fanasch enrolled in Medicare?

Yes. Theresa Fanasch is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Theresa Fanasch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Fanasch reassigns Medicare benefits to 3 organizations: Regional Physician Services Of Texas, P.A. (Abilene, TX), Innovative Infusions, LLC (Dallas, TX) and Metro Infectious Disease Consultants, LLC (Burr Ridge, IL). 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 Theresa Fanasch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Theresa Fanasch accept?

Health plans from CareSource list Theresa Fanasch 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 Theresa Fanasch was last updated on October 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.