Arthur D Williams, PHD Apc
NPI 1174074355 · Mental Health Clinic/Center (Including Community Mental Health Center) · San Diego, CA
Arthur D Williams, PHD Apc is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in San Diego, CA (NPI 1174074355).
Provider details
- NPI number
- 1174074355
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Arthur Williams, Sole Proprietor(858) 458-5909
- License
- PSY6047 (CA)
Specialties & taxonomies
- Mental Health Clinic/Center (Including Community Mental Health Center)Primary261QM0801XLicense PSY6047 (CA)
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-10-21
- Last updated
- 2016-10-21
Frequently asked questions
- What is Arthur D Williams, PHD Apc's NPI number?
- Arthur D Williams, PHD Apc's National Provider Identifier (NPI) is 1174074355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arthur D Williams, PHD Apc?
- Arthur D Williams, PHD Apc is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Arthur D Williams, PHD Apc located?
- Arthur D Williams, PHD Apc's practice location on file with NPPES is 5405 Morehouse Dr Ste 120, San Diego, CA 92121-4723.
- What is Arthur D Williams, PHD Apc's phone number?
- The practice phone number listed in the NPPES registry for Arthur D Williams, PHD Apc is (858) 458-5909.
- Who is the authorized official for Arthur D Williams, PHD Apc?
- The authorized official listed on Arthur D Williams, PHD Apc's NPPES record is Arthur Williams, Sole Proprietor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arthur D Williams, PHD Apc's NPI active?
- Yes — Arthur D Williams, PHD Apc's NPI (1174074355) is active in the NPPES registry as of the last update on 2016-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.