OrganizationActive
William Park, M.D., Inc
NPI 1861663338 · Anesthesiology Physician · Downey, CA
Provider details
- NPI number
- 1861663338
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Park, President(949) 706-4433
- License
- A52866 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
11500 Brookshire Ave
Downey, CA 90241-4917
Phone: (562) 904-5000
Fax: (562) 904-5140
Street-level locationGet directions
Mailing address
Po Box 1809
Orange, CA 92856-0809
Registry dates
- Enumerated
- 2008-03-12
- Last updated
- 2008-03-12
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.