Matthew O'Byrne, PH.D.
NPI 1437425774 · Clinical Child & Adolescent Psychologist · San Rafael, CA
Matthew O'Byrne, PH.D. is a Clinical Child & Adolescent Psychologist provider in San Rafael, CA (NPI 1437425774).
Provider details
- NPI number
- 1437425774
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY16458 (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
14 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
- 2012-03-30
- Last updated
- 2012-03-30
Frequently asked questions
- What is Matthew O'Byrne's NPI number?
- Matthew O'Byrne's National Provider Identifier (NPI) is 1437425774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew O'Byrne's specialty?
- Matthew O'Byrne is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew O'Byrne located?
- Matthew O'Byrne's practice location on file with NPPES is 2175 Francisco Blvd E, San Rafael, CA 94901-5510.
- What is Matthew O'Byrne's phone number?
- The practice phone number listed in the NPPES registry for Matthew O'Byrne is (415) 457-1910.
- Is Matthew O'Byrne's NPI active?
- Yes — Matthew O'Byrne's NPI (1437425774) is active in the NPPES registry as of the last update on 2012-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.