Quick answers
- Does Alyssa G. McNamara accept Medicare assignment?
- Yes. Medicare's clinician data says Alyssa G. McNamara accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Alyssa G. McNamara's NPI number?
- 1790511160. 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 G. McNamara works
Medicare's Facility Affiliation Data lists Alyssa G. McNamara at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Los Robles Hospital & Medical CenterThousand Oaks, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050549
Practice locations
Addresses where Alyssa G. McNamara is enrolled with Medicare (CMS data updated October 2, 2026).
- 130 S 63rd St, Suite 101Mesa, AZ 85206 (623) 233‑1050
- 13991 W Grand Ave, Suite B102Surprise, AZ 85374 (623) 233‑1050
- 14044 W Camelback Rd, Suite 226Litchfield Park, AZ 85340 (623) 233‑1050
- 227 W Janss Rd, Suite 340Thousand Oaks, CA 91360 (805) 852‑9100
- 4545 E Chandler Blvd, Suite 202Phoenix, AZ 85048 (623) 233‑1050
Group practices
Medicare enrollment lists Alyssa G. McNamara as a member of these groups (CMS data updated October 2, 2026).
- Golden State Providers, a Medical Corporation23 clinicians in the group
- Vein Envy LLC6 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Mesa
Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.
Other clinicians in Golden State Providers, a Medical Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790511160 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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