What is Johanna Mayer's NPI number?

Johanna Mayer's National Provider Identifier (NPI) is 1114054335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Johanna Mayer's specialty?

Johanna Mayer is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Johanna Mayer located?

Johanna Mayer's practice location on file with NPPES is 4370 Alpine Rd, Portola Valley, CA 94028-7952.

What is Johanna Mayer's phone number?

The practice phone number listed in the NPPES registry for Johanna Mayer is (650) 851-1164.

Is Johanna Mayer's NPI active?

Yes — Johanna Mayer's NPI (1114054335) is active in the NPPES registry as of the last update on 2010-06-10.

IndividualActive

Johanna Mayer, PHD

NPI 1114054335 · Psychologist · Portola Valley, CA

Johanna Mayer, PHD is a Psychologist provider in Portola Valley, CA (NPI 1114054335).

Provider details

NPI number: 1114054335
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Female
Sole proprietor: Yes
License: PSY5817 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PSY5817 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(89/100 index)

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

4370 Alpine Rd

Suite 102

Portola Valley, CA 94028-7952

Phone: (650) 851-1164

Street-level locationGet directions

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Mailing address