William M. Young, M.D. a Medical Corporation
NPI 1134389323 · Psychiatry Physician · Fountain Valley, CA
William M. Young, M.D. a Medical Corporation is a Psychiatry Physician organization in Fountain Valley, CA (NPI 1134389323).
Provider details
- NPI number
- 1134389323
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Young, Director(714) 241-8560
- License
- C27892 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2008-06-11
- Last updated
- 2011-03-15
Frequently asked questions
- What is William M. Young, M.D. a Medical Corporation's NPI number?
- William M. Young, M.D. a Medical Corporation's National Provider Identifier (NPI) is 1134389323, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William M. Young, M.D. a Medical Corporation?
- William M. Young, M.D. a Medical Corporation is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William M. Young, M.D. a Medical Corporation located?
- William M. Young, M.D. a Medical Corporation's practice location on file with NPPES is 11770 Warner Ave, Fountain Valley, CA 92708-2663.
- What is William M. Young, M.D. a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for William M. Young, M.D. a Medical Corporation is (241) 241-8560.
- Who is the authorized official for William M. Young, M.D. a Medical Corporation?
- The authorized official listed on William M. Young, M.D. a Medical Corporation's NPPES record is William Young, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William M. Young, M.D. a Medical Corporation's NPI active?
- Yes — William M. Young, M.D. a Medical Corporation's NPI (1134389323) is active in the NPPES registry as of the last update on 2011-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.