Jonathan Brown, PHD, MFT
NPI 1508426958 · Psychologist · Mill Valley, CA
Jonathan Brown, PHD, MFT is a Psychologist provider in Mill Valley, CA (NPI 1508426958).
Provider details
- NPI number
- 1508426958
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD, MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY14513
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
7 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
- 2019-06-18
- Last updated
- 2019-06-18
Frequently asked questions
- What is Jonathan Brown's NPI number?
- Jonathan Brown's National Provider Identifier (NPI) is 1508426958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Brown's specialty?
- Jonathan Brown is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Jonathan Brown located?
- Jonathan Brown's practice location on file with NPPES is 275 Miller Ave Ste 101, Mill Valley, CA 94941-2851.
- What is Jonathan Brown's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Brown is (415) 383-2990.
- Is Jonathan Brown's NPI active?
- Yes — Jonathan Brown's NPI (1508426958) is active in the NPPES registry as of the last update on 2019-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.