What is Nancy Marx's NPI number?

Nancy Marx's National Provider Identifier (NPI) is 1700835923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nancy Marx's specialty?

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

Where is Nancy Marx located?

Nancy Marx's practice location on file with NPPES is 155 Bovet Rd, San Mateo, CA 94402-3108.

What is Nancy Marx's phone number?

The practice phone number listed in the NPPES registry for Nancy Marx is (650) 562-1904.

Is Nancy Marx's NPI active?

Yes — Nancy Marx's NPI (1700835923) is active in the NPPES registry as of the last update on 2007-07-09.

IndividualActive

Nancy Marx, PH.D.

NPI 1700835923 · Psychologist · San Mateo, CA

Nancy Marx, PH.D. is a Psychologist provider in San Mateo, CA (NPI 1700835923).

Provider details

NPI number: 1700835923
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Female
License: PSY17090 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PSY17090 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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

155 Bovet Rd

Suite 404

San Mateo, CA 94402-3108

Phone: (650) 562-1904

Fax: (650) 508-0353

Street-level locationGet directions

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Mailing address