Steven Val Marcus, PH.D.
Psychologist · Los Altos, CA
Steven Val Marcus, PH.D. is a psychologist with a practice address in Los Altos, California, and NPI 1649286683, issued on Jul 31, 2006. Check the license (California PSY6465, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Steven Val Marcus
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY6465 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1471 Hollidale CT, Los Altos, CA 94024
- Phone
- (650) 962-1987
- Enumerated
- Jul 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 962-1987
- Entity
- Type 1 · individual
Verify Steven Val Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY6465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21 psychologist records list a practice address in Los Altos
They are 21 of the 718 NPPES records with a practice address in Los Altos, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 21 in Los Altos → All 7,304 in California → Every provider in Los Altos →
Other psychologist records in California
- Alice Abarbanel, PH.D.Albany, CA1598095002
- Michael Abbott, PSYDModesto, CA1346498151
- Riley AbelesLos Angeles, CA1841861945
- Jenna Abell, PSYDLos Angeles, CA1073743969
- Sheri Abercrombie, PSY.D.San Diego, CA1932292422
- Tseday Aberra, PSY.D.Corona, CA1104026517
- Elham Abouhamzeh, PSY.DIrvine, CA1386092880
- Lilit Abraamyan-ChaidezBurbank, CA1710433289
- Mackenzie Abraham, PHDRedondo Beach, CA1881053833
- Sandra Abraham, PSYDSanta Fe Springs, CA1427467851
Common questions
What is Steven Val Marcus, PH.D.'s NPI number?
Steven Val Marcus, PH.D.'s National Provider Identifier (NPI) is 1649286683, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Val Marcus, PH.D. located?
The NPPES record lists a practice address at 1471 Hollidale CT, Los Altos, CA, 94024. Phone: (650) 962-1987. Providers update this record themselves, so call before visiting.
How can I verify Steven Val Marcus, PH.D.'s license?
NPPES lists California license number PSY6465, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.