What is Marija Mayer's NPI number?

Marija Mayer's National Provider Identifier (NPI) is 1649130865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marija Mayer's specialty?

Marija Mayer is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).

Where is Marija Mayer located?

Marija Mayer's practice location on file with NPPES is 554 Clayton St Unit 170245, San Francisco, CA 94117-6201.

What is Marija Mayer's phone number?

The practice phone number listed in the NPPES registry for Marija Mayer is (858) 354-9061.

Is Marija Mayer's NPI active?

Yes — Marija Mayer's NPI (1649130865) is active in the NPPES registry as of the last update on 2025-11-12.

IndividualActive

Marija Mayer

NPI 1649130865 · Marriage & Family Therapist · San Francisco, CA

Marija Mayer is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1649130865).

Provider details

NPI number: 1649130865
Entity type: Individual
Primary specialty: Marriage & Family TherapistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Marriage & Family TherapistPrimary106H00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

554 Clayton St Unit 170245

San Francisco, CA 94117-6201

Phone: (858) 354-9061

Street-level locationGet directions

More CA providers

Mailing address