NPPES file of Aug 9, 2026

I. David Marcus, PHD

Psychologist · San Jose, CA

I. David Marcus, PHD is a psychologist with a practice address in San Jose, California, and NPI 1528306164, issued on Jan 16, 2013. Check the license (California PSY16216, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528306164
Name
I. David Marcus
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
PSY16216 CA
Self-reported in NPPES; status is on the state search
Practice location
1022 W Hedding St, San Jose, CA 95126
Phone
(408) 313-3365
Enumerated
Jan 16, 2013
Record last updated
Jan 16, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(408) 248-9753
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1022 W Hedding St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mayra Arriete, LMFTMarriage & Family Therapist1003948043
  2. Sheila Heran, LCSWClinical Social Worker1851528350

Verify I. David Marcus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY16216    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Psychologist providers in California

There are 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,304 in California → Every provider in San Jose →

Other psychologist records in California

  1. Alice Abarbanel, PH.D.Albany, CA1598095002
  2. Michael Abbott, PSYDModesto, CA1346498151
  3. Riley AbelesLos Angeles, CA1841861945
  4. Jenna Abell, PSYDLos Angeles, CA1073743969
  5. Sheri Abercrombie, PSY.D.San Diego, CA1932292422
  6. Tseday Aberra, PSY.D.Corona, CA1104026517
  7. Elham Abouhamzeh, PSY.DIrvine, CA1386092880
  8. Lilit Abraamyan-ChaidezBurbank, CA1710433289
  9. Mackenzie Abraham, PHDRedondo Beach, CA1881053833
  10. Sandra Abraham, PSYDSanta Fe Springs, CA1427467851

Common questions

What is I. David Marcus, PHD's NPI number?

I. David Marcus, PHD's National Provider Identifier (NPI) is 1528306164, issued on Jan 16, 2013. An NPI identifies a provider in billing; it is not a license.

Where is I. David Marcus, PHD located?

The NPPES record lists a practice address at 1022 W Hedding St, San Jose, CA, 95126. Phone: (408) 313-3365. Providers update this record themselves, so call before visiting.

How can I verify I. David Marcus, PHD's license?

NPPES lists California license number PSY16216, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.