Marc Allan Katz, PSY.D
Clinical Psychologist · Milpitas, CA
Marc Allan Katz, PSY.D is a clinical psychologist with a practice address in Milpitas, California, and NPI 1578764411, issued on May 29, 2007. Check the license (California PSY 17922, 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
- Marc Allan Katz
- Credential
- PSY.D
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY 17922 CA
Self-reported in NPPES; status is on the state search - Practice location
- 830 Hillview CT, Milpitas, CA 95035
- Phone
- (408) 946-7400
- Enumerated
- May 29, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 830 Hillview CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marc Allan Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 17922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marc Allan Katz among 12,647 clinical psychologist records in California
Marc Allan Katz, PSY.D is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 57% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in California
There are 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Milpitas → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Linda Kolstad, PH.D.Milpitas, CA 950351619021805
- Peter Ly, PSY.D.Milpitas, CA 950351356403448
- Thuhien NguyenMilpitas, CA 950351336790591
- Karen Scharff, PH.D.Milpitas, CA 950351124170022
- Florence Wang, PH.D.Milpitas, CA 950351114490398
- Matthew Gerst, PHDMorgan Hill, CA 950371477690253
- Brenda McGowan Sass, PHDMorgan Hill, CA 950371669537205
- Robert Mulcahy, PH.D.Morgan Hill, CA 950371710100722
Common questions
What is Marc Allan Katz, PSY.D's NPI number?
Marc Allan Katz, PSY.D's National Provider Identifier (NPI) is 1578764411, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marc Allan Katz, PSY.D located?
The NPPES record lists a practice address at 830 Hillview CT, Milpitas, CA, 95035. Phone: (408) 946-7400. Providers update this record themselves, so call before visiting.
How can I verify Marc Allan Katz, PSY.D's license?
NPPES lists California license number PSY 17922, 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.