AMY WILLIAMS FNP-BC
NPI 1023759966
Nurse Practitioner - Family in San Antonio, TX
About Amy Williams Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY WILLIAMS FNP-BC (NPI 1023759966) is an individual family provider in San Antonio, Texas, licensed in Texas (1072620) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Amy Williams Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Amy Williams reassigns Medicare billing to 6 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
- 12 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 802 clinicians in this Medicare group
San Angelo, TX 76903
- Reassigned Medicare billing, Texas enrollment
- 671 clinicians in this Medicare group
Houston, TX 77055
- Reassigned Medicare billing, Texas enrollment
- 6 clinicians in this Medicare group
Jackson, MS 39201
- Reassigned Medicare billing, Texas enrollment
- 69 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, Texas enrollment
- 1,573 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78254 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Amy Williams's NPI number?
The NPI number for Amy Williams is 1023759966. It was assigned to this individual provider in the NPPES registry on April 5, 2022.
Where is Amy Williams located?
Amy Williams practices at 8514 Kallison Arbor, San Antonio, TX 78254. The listed phone number is (512) 568-9636.
What is Amy Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Amy Williams enrolled in Medicare?
Yes. Amy Williams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Amy Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Williams reassigns Medicare benefits to 6 organizations: Hpa Medical Management, LLC (San Antonio, TX), Vpa Of Texas PLLC (San Antonio, TX), Shannon Clinic (San Angelo, TX), Kdunn And Associates, P.A. (Houston, TX), Harmonycares Complete Health Services, PLLC (Jackson, MS) and 1 more organization, 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 Amy Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy Williams accept?
Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company and UnitedHealthcare list Amy Williams 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 Amy Williams was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Amy Williams, FNP-BC · NPI 1023759966
Family physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since April 5, 2022.
## Identity
- **NPI:** 1023759966 (Entity type: Individual)
- **Enumerated:** April 5, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 1072620 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8514 KALLISON ARBOR, San Antonio, TX 78254-4557
- **Phone:** (512) 568-9636
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Hpa Medical Management, LLC (NPI 1003383050, San Antonio, TX); Vpa Of Texas PLLC (NPI 1174561575, San Antonio, TX); Shannon Clinic (NPI 1770587149, San Angelo, TX); Kdunn And Associates, P.A. (NPI 1255654489, Houston, TX); Harmonycares Complete Health Services, PLLC (NPI 1093543902, Jackson, MS); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** February 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023759966) · Data from the CMS NPPES public registry.