Quick answers
- Which hospitals does Allysa L. Guerrero work at?
- Medicare's official clinician data lists Allysa L. Guerrero at 1 hospital: University Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allysa L. Guerrero see patients?
- Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
- What is Allysa L. Guerrero's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Allysa L. Guerrero accept Medicare assignment?
- Yes. Medicare's clinician data says Allysa L. Guerrero 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.
- What is the phone number for Allysa L. Guerrero?
- (210) 358-3441, as listed in official Medicare / NPI Registry data.
- What is Allysa L. Guerrero's NPI number?
- 1922729102. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allysa L. Guerrero works
Medicare's Facility Affiliation Data lists Allysa L. Guerrero at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University Health SystemSan Antonio, TX · Acute Care Hospital · CCN 450213
Practice locations
Addresses where Allysa L. Guerrero is enrolled with Medicare (CMS data updated 2026-10-02).
- 903 W Martin St, Ms 49 2San Antonio, TX 78207 (210) 358‑3441
Group practices
Medicare enrollment lists Allysa L. Guerrero as a member of this group (CMS data updated 2026-10-02).
- Community Medicine Associates605 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922729102 |
| 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