Mark Hassan, PH.D.
NPI 1013093459 · Psychoanalysis Psychologist · Alhambra, CA
Mark Hassan, PH.D. is a Psychoanalysis Psychologist provider in Alhambra, CA (NPI 1013093459).
Provider details
- NPI number
- 1013093459
- Entity type
- Individual
- Primary specialty
- Psychoanalysis PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY 5298 (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
- 2006-10-28
- Last updated
- 2009-09-21
Frequently asked questions
- What is Mark Hassan's NPI number?
- Mark Hassan's National Provider Identifier (NPI) is 1013093459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hassan's specialty?
- Mark Hassan is listed in the NPPES registry with a primary specialty of Psychoanalysis Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Hassan located?
- Mark Hassan's practice location on file with NPPES is 1961 W Huntington Dr Ste 202, Alhambra, CA 91801-1222.
- What is Mark Hassan's phone number?
- The practice phone number listed in the NPPES registry for Mark Hassan is (626) 458-5444.
- Is Mark Hassan's NPI active?
- Yes — Mark Hassan's NPI (1013093459) is active in the NPPES registry as of the last update on 2009-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.