Quick answers
- Which hospitals does Shay K. Seitz work at?
- Medicare's official clinician data lists Shay K. Seitz at 2 hospitals: Hoag Memorial Hospital Presbyterian and Providence St. Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Shay K. Seitz see patients?
- Medicare's clinician data lists 10 practice locations, including Orange, CA, Costa Mesa, CA and Tustin, CA. Call before your visit to confirm the address.
- What is Shay K. Seitz's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Shay K. Seitz accept Medicare assignment?
- Yes. Medicare's clinician data says Shay K. Seitz 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 Shay K. Seitz?
- (833) 477-2677, as listed in official Medicare / NPI Registry data.
- What is Shay K. Seitz's NPI number?
- 1477620227. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Shay K. Seitz works
Medicare's Facility Affiliation Data lists Shay K. Seitz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · CCN 050069
Practice locations
Addresses where Shay K. Seitz is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1100 W Stewart DrOrange, CA 92868 (833) 477‑2677
- 1190 Baker St, Suite 105Costa Mesa, CA 92626 (714) 477‑8460
- 15000 Kensington Park Dr, Suite 170Tustin, CA 92782 (714) 477‑8300
- 15464 Goldenwest StWestminster, CA 92683 (714) 891‑9008
- 19582 Beach Blvd, Suite 180Huntington Beach, CA 92648 (714) 477‑8050
Group practices
Medicare enrollment lists Shay K. Seitz as a member of these groups (CMS data updated 2026-10-02).
- Memorialcare Medical Foundation566 clinicians in the group
- HMTS Inc118 clinicians in the group
- Healthcare Service Partners Inc11 clinicians in the group
- Kim-Orden PC2 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477620227 |
| 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