Registry data as of Aug 27, 2026

Clarence Hilliard, PSY.D.

Psychologist · Roseville, CA

Clarence Hilliard, PSY.D. is a psychologist with a practice address in Roseville, California, and NPI 1508804808, issued on Jun 2, 2006. Check the license (California PSY20666, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1508804808
Name
Clarence Hilliard
Credential
PSY.D.
Primary taxonomy
Psychologist 103T00000X
License number
PSY20666 CA
Self-reported in NPPES; status is on the state search
Practice location
8640 Trinidad Way, Roseville, CA 95747
Phone
(916) 984-2131
Enumerated
Jun 2, 2006
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.
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Verify Clarence Hilliard 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 PSY20666    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

One hospital or facility affiliation

  1. Rose-Marie Y. NietoCameron Park, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Psychologist providers in California

There are 7,178 psychologist records in California.

All 7,178 in California → Every provider in Roseville →

Other psychologist records in California

  1. Toni AbadFountain Valley, CA1518633106
  2. Alice Abarbanel, PH.D.Albany, CA1598095002
  3. Michael Abbott, PSYDModesto, CA1346498151
  4. Jenna Abell, PSYDLos Angeles, CA1073743969
  5. Tseday Aberra, PSY.D.Corona, CA1104026517
  6. Elham Abouhamzeh, PSY.DIrvine, CA1386092880
  7. Carine AbouseifSalinas, CA1760832224
  8. Mackenzie Abraham, PHDRedondo Beach, CA1881053833
  9. Twylla Abrahamson, PH.D.Auburn, CA1700815875
  10. Samantha Abram, BASan Francisco, CA1326540436

Common questions

What is Clarence Hilliard, PSY.D.'s NPI number?

Clarence Hilliard, PSY.D.'s National Provider Identifier (NPI) is 1508804808, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Clarence Hilliard, PSY.D. located?

The NPPES record lists a practice address at 8640 Trinidad Way, Roseville, CA, 95747. Phone: (916) 984-2131. Providers update this record themselves, so call before visiting.

How can I verify Clarence Hilliard, PSY.D.'s license?

NPPES lists California license number PSY20666, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.