Mark Sexton, PH.D.
NPI 1144436908 · Clinical Psychologist · San Francisco, CA
Mark Sexton, PH.D. is a Clinical Psychologist provider in San Francisco, CA (NPI 1144436908).
Provider details
- NPI number
- 1144436908
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY14939 (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
- 2007-05-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Sexton's NPI number?
- Mark Sexton's National Provider Identifier (NPI) is 1144436908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sexton's specialty?
- Mark Sexton is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Sexton located?
- Mark Sexton's practice location on file with NPPES is 2409 Sacramento St, San Francisco, CA 94115-2225.
- What is Mark Sexton's phone number?
- The practice phone number listed in the NPPES registry for Mark Sexton is (415) 675-9970.
- Is Mark Sexton's NPI active?
- Yes — Mark Sexton's NPI (1144436908) 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.