Quick answers
- Where does William P. Blase see patients?
- Medicare's clinician data lists 4 practice locations, including Hemet, CA, Menifee, CA and Temecula, CA. Call before your visit to confirm the address.
- What is William P. Blase's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does William P. Blase accept Medicare assignment?
- Yes. Medicare's clinician data says William P. Blase 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 William P. Blase?
- (951) 652-6100, as listed in official Medicare / NPI Registry data.
- What is William P. Blase's NPI number?
- 1215987086. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William P. Blase is enrolled with Medicare (CMS data updated 2026-10-02).
- 2390 E Florida Ave, Suite 207Hemet, CA 92544 (951) 652‑6100
- 29826 Haun Rd, Suite 100Menifee, CA 92586 (951) 301‑8888
- 41637 Margarita RdTemecula, CA 92591 (951) 296‑9300
- 41637 Margarita Rd, Suite 100Temecula, CA 92591
Group practices
Medicare enrollment lists William P. Blase as a member of these groups (CMS data updated 2026-10-02).
- California Cataract Center and Medical Group Inc14 clinicians in the group
- California Eye Professionals Medical Group Inc10 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Hemet
Clinicians with the same Medicare primary specialty in Hemet, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215987086 |
| 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
- 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