What is Steven Marcus's NPI number?

Steven Marcus's National Provider Identifier (NPI) is 1649286683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Steven Marcus's specialty?

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

Where is Steven Marcus located?

Steven Marcus's practice location on file with NPPES is 1471 Hollidale Ct, Los Altos, CA 94024-6811.

What is Steven Marcus's phone number?

The practice phone number listed in the NPPES registry for Steven Marcus is (650) 962-1987.

Is Steven Marcus's NPI active?

Yes — Steven Marcus's NPI (1649286683) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Steven Marcus, PH.D.

NPI 1649286683 · Psychologist · Los Altos, CA

Steven Marcus, PH.D. is a Psychologist provider in Los Altos, CA (NPI 1649286683).

Provider details

NPI number: 1649286683
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: Yes
License: PSY6465 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PSY6465 (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
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

1471 Hollidale Ct

Los Altos, CA 94024-6811

Phone: (650) 962-1987

Fax: (650) 962-1987

Street-level locationGet directions

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Mailing address