William Casper, MA
NPI 1669567285 · Mental Health Counselor · Los Angeles, CA
William Casper, MA is a Mental Health Counselor provider in Los Angeles, CA (NPI 1669567285).
Provider details
- NPI number
- 1669567285
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Male
- Sole proprietor
- No
- License
- NONE REQUIRED
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Casper's NPI number?
- William Casper's National Provider Identifier (NPI) is 1669567285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Casper's specialty?
- William Casper is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Casper located?
- William Casper's practice location on file with NPPES is 11301 Wilshire Blvd., Los Angeles, CA 90073.
- What is William Casper's phone number?
- The practice phone number listed in the NPPES registry for William Casper is (310) 478-3711.
- Is William Casper's NPI active?
- Yes — William Casper's NPI (1669567285) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.