Dennis Williams Mft
NPI 1003549635 · Counseling Psychologist · Fullerton, CA
Dennis Williams Mft is a Counseling Psychologist organization in Fullerton, CA (NPI 1003549635).
Provider details
- NPI number
- 1003549635
- Entity type
- Organization
- Primary specialty
- Counseling PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Dennis Williams, Ceo/Lmft(714) 234-0906
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
3 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
- 2022-07-01
- Last updated
- 2022-07-01
- Certified
- 2022-07-01
Frequently asked questions
- What is Dennis Williams Mft's NPI number?
- Dennis Williams Mft's National Provider Identifier (NPI) is 1003549635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dennis Williams Mft?
- Dennis Williams Mft is classified in the NPPES registry as Counseling Psychologist (Behavioral Health & Social Service Providers).
- Where is Dennis Williams Mft located?
- Dennis Williams Mft's practice location on file with NPPES is 440 E Commonwealth Ave Ste 205, Fullerton, CA 92832-2014.
- What is Dennis Williams Mft's phone number?
- The practice phone number listed in the NPPES registry for Dennis Williams Mft is (714) 234-0906.
- Who is the authorized official for Dennis Williams Mft?
- The authorized official listed on Dennis Williams Mft's NPPES record is Dennis Williams, Ceo/Lmft. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dennis Williams Mft's NPI active?
- Yes — Dennis Williams Mft's NPI (1003549635) is active in the NPPES registry as of the last update on 2022-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.