Matthew Blagys, PH. D.
NPI 1609095132 · Clinical Psychologist · Mill Valley, CA
Matthew Blagys, PH. D. is a Clinical Psychologist provider in Mill Valley, CA (NPI 1609095132).
Provider details
- NPI number
- 1609095132
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH. D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8447 (MA)
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
- 2007-04-24
- Last updated
- 2015-06-01
Frequently asked questions
- What is Matthew Blagys's NPI number?
- Matthew Blagys's National Provider Identifier (NPI) is 1609095132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Blagys's specialty?
- Matthew Blagys is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Blagys located?
- Matthew Blagys's practice location on file with NPPES is 6 Knoll Ln, Mill Valley, CA 94941-2326.
- What is Matthew Blagys's phone number?
- The practice phone number listed in the NPPES registry for Matthew Blagys is (510) 926-5713.
- Is Matthew Blagys's NPI active?
- Yes — Matthew Blagys's NPI (1609095132) is active in the NPPES registry as of the last update on 2015-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.