Mary Kelso, PH.,D. Inc
NPI 1164566881 · Clinical Psychologist · Thousand Oaks, CA
Mary Kelso, PH.,D. Inc is a Clinical Psychologist organization in Thousand Oaks, CA (NPI 1164566881).
Provider details
- NPI number
- 1164566881
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mary Kelso, Psychologist(805) 379-9600
- License
- PSY10466 (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
- 2007-02-16
- Last updated
- 2007-09-28
Frequently asked questions
- What is Mary Kelso, PH.,D. Inc's NPI number?
- Mary Kelso, PH.,D. Inc's National Provider Identifier (NPI) is 1164566881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mary Kelso, PH.,D. Inc?
- Mary Kelso, PH.,D. Inc is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Kelso, PH.,D. Inc located?
- Mary Kelso, PH.,D. Inc's practice location on file with NPPES is 325 E Hillcrest Dr, Thousand Oaks, CA 91360-5828.
- What is Mary Kelso, PH.,D. Inc's phone number?
- The practice phone number listed in the NPPES registry for Mary Kelso, PH.,D. Inc is (805) 379-9600.
- Who is the authorized official for Mary Kelso, PH.,D. Inc?
- The authorized official listed on Mary Kelso, PH.,D. Inc's NPPES record is Mary Kelso, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mary Kelso, PH.,D. Inc's NPI active?
- Yes — Mary Kelso, PH.,D. Inc's NPI (1164566881) is active in the NPPES registry as of the last update on 2007-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.