William W Martin PHD PC
NPI 1609990209 · Clinical Psychologist · San Clemente, CA
William W Martin PHD PC is a Clinical Psychologist organization in San Clemente, CA (NPI 1609990209).
Provider details
- NPI number
- 1609990209
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- William Martin, Owner(949) 248-7377
- License
- PSY9840 (CA)
Specialties & taxonomies
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
- 2007-03-19
- Last updated
- 2018-03-07
Frequently asked questions
- What is William W Martin PHD PC's NPI number?
- William W Martin PHD PC's National Provider Identifier (NPI) is 1609990209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William W Martin PHD PC?
- William W Martin PHD PC is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William W Martin PHD PC located?
- William W Martin PHD PC's practice location on file with NPPES is 665 Camino De Los Mares, San Clemente, CA 92673.
- What is William W Martin PHD PC's phone number?
- The practice phone number listed in the NPPES registry for William W Martin PHD PC is (949) 248-7377.
- Who is the authorized official for William W Martin PHD PC?
- The authorized official listed on William W Martin PHD PC's NPPES record is William Martin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William W Martin PHD PC's NPI active?
- Yes — William W Martin PHD PC's NPI (1609990209) is active in the NPPES registry as of the last update on 2018-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.