Matthew Calkins, PSY.D.
NPI 1023212453 · Clinical Psychologist · South Pasadena, CA
Matthew Calkins, PSY.D. is a Clinical Psychologist provider in South Pasadena, CA (NPI 1023212453).
Provider details
- NPI number
- 1023212453
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 21783 (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
- 2007-06-11
- Last updated
- 2019-08-14
Frequently asked questions
- What is Matthew Calkins's NPI number?
- Matthew Calkins's National Provider Identifier (NPI) is 1023212453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Calkins's specialty?
- Matthew Calkins is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Calkins located?
- Matthew Calkins's practice location on file with NPPES is 1515 Hope St Ste 202, South Pasadena, CA 91030-2610.
- What is Matthew Calkins's phone number?
- The practice phone number listed in the NPPES registry for Matthew Calkins is (213) 595-5832.
- Is Matthew Calkins's NPI active?
- Yes — Matthew Calkins's NPI (1023212453) is active in the NPPES registry as of the last update on 2019-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.