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Andrew Williams, MS
NPI 1700173044 · Mental Health Counselor · Arcadia, CA
Andrew Williams, MS is a Mental Health Counselor provider in Arcadia, CA (NPI 1700173044).
Provider details
- NPI number
- 1700173044
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MS
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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
800 S Santa Anita Ave
Arcadia, CA 91006-3536
Phone: (626) 254-5000
Street-level locationGet directions
Mailing address
239 1/2 S Berendo St
Los Angeles, CA 90004-5704
Registry dates
- Enumerated
- 2011-07-07
- Last updated
- 2011-08-30
Frequently asked questions
- What is Andrew Williams's NPI number?
- Andrew Williams's National Provider Identifier (NPI) is 1700173044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Williams's specialty?
- Andrew Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Andrew Williams located?
- Andrew Williams's practice location on file with NPPES is 800 S Santa Anita Ave, Arcadia, CA 91006-3536.
- What is Andrew Williams's phone number?
- The practice phone number listed in the NPPES registry for Andrew Williams is (626) 254-5000.
- Is Andrew Williams's NPI active?
- Yes — Andrew Williams's NPI (1700173044) is active in the NPPES registry as of the last update on 2011-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.