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Mark Rossdanson, PH.D.
NPI 1174545073 · Psychologist · Los Angeles, CA
Mark Rossdanson, PH.D. is a Psychologist provider in Los Angeles, CA (NPI 1174545073).
Provider details
- NPI number
- 1174545073
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY12601 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
6310 San Vicente Blvd
Ste 410
Los Angeles, CA 90048-5457
Phone: (323) 932-1677
Street-level locationGet directions
Mailing address
6310 San Vicente Blvd Ste 410
Los Angeles, CA 90048-5427
Registry dates
- Enumerated
- 2006-07-23
- Last updated
- 2017-01-31
Frequently asked questions
- What is Mark Rossdanson's NPI number?
- Mark Rossdanson's National Provider Identifier (NPI) is 1174545073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rossdanson's specialty?
- Mark Rossdanson is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Rossdanson located?
- Mark Rossdanson's practice location on file with NPPES is 6310 San Vicente Blvd, Los Angeles, CA 90048-5457.
- What is Mark Rossdanson's phone number?
- The practice phone number listed in the NPPES registry for Mark Rossdanson is (323) 932-1677.
- Is Mark Rossdanson's NPI active?
- Yes — Mark Rossdanson's NPI (1174545073) is active in the NPPES registry as of the last update on 2017-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.