Quick answers
- Which hospitals does Alyssa Williams work at?
- Medicare's official clinician data lists Alyssa Williams at 2 hospitals: Intermountain Medical Center and St David's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alyssa Williams see patients?
- Medicare's clinician data lists 3 practice locations, including Georgetown, TX and Austin, TX. Call before your visit to confirm the address.
- What is Alyssa Williams's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Alyssa Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Alyssa Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Alyssa Williams offer telehealth?
- Medicare's clinician data says Alyssa Williams offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Alyssa Williams's NPI number?
- 1477215952. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alyssa Williams works
Medicare's Facility Affiliation Data lists Alyssa Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Intermountain Medical CenterMurray, UT · Acute Care Hospital · CCN 460010
- St David's Medical CenterAustin, TX · Acute Care Hospital · CCN 450431
Practice locations
Addresses where Alyssa Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 1900 Scenic DrGeorgetown, TX 78626
- 3801 N Lamar BlvdAustin, TX 78756
- 5625 Eiger RdAustin, TX 78735
Group practices
Medicare enrollment lists Alyssa Williams as a member of this group (CMS data updated 2026-10-02).
- St Davids Heart and Vascular PLLC203 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Georgetown
Clinicians with the same Medicare primary specialty in Georgetown, TX — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477215952 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians