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DR. CLARENCE ROSS HILLIARD III PSY.D.
NPI 1508804808
Psychologist - Clinical in Roseville, CA

Active since June 02, 2006PECOS EnrolledAccepts Medicare Assignment
8640 TRINIDAD WAY, ROSEVILLE, CA 95747(916) 984-2131(916) 676-8506 Get Directions Write a Review

NPPES record last updated: September 5, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 5, 2019, Feb 9, 2017 (2 updates tracked since 2017).

About Dr. Clarence Ross Hilliard Iii Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CLARENCE ROSS HILLIARD III PSY.D. (NPI 1508804808) is an individual clinical provider in Roseville, California, licensed in California (PSY20666) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Cameron Park, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1508804808
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. CLARENCE ROSS HILLIARD IIICredential: PSY.D.
Location Address8640 TRINIDAD WAYRoseville, CA 95747-8668
Mailing Address8640 Trinidad WayRoseville, CA 95747-8668 · (916) 984-2131 · Fax (916) 676-8506
Phone(916) 984-2131
Fax(916) 676-8506
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateJune 2, 2006
Last NPPES UpdateSeptember 5, 20192 updates tracked since enumeration
✔ NPI 1508804808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY20666
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Also ListedPsychologistTaxonomy 103T00000X · License PSY20666 (CA)
8640 TRINIDAD WAY, Roseville, CA 95747
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Secondary Practice Location 1

Location 13294 Royal Dr. Suite 13Cameron Park, CA 95682-8500 · Phone (530) 677-4404 · Fax (530) 677-4545

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Clarence Ross Hilliard Iii Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385655182
PECOS Enrollment IDI20060614000181
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Clarence Hilliard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cameron Park Counseling Center, Inc.
23 mi
Mental Health (Including Community Mental Health Center)
970 CAMERADO DR STE 200
Cameron Park, CA 95682
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Rose-Marie Y. Nieto
  • 6 clinicians in this Medicare group
NPI 1477760874 (530) 677-4404

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95747 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$180.85 typical visit price
range $60.44 – $180.85
Typical copayment $45.21 (range $15.11 – $45.21)
Most-billed visit code 99205
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Clarence Hilliard's NPI number?

The NPI number for Clarence Hilliard is 1508804808. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Clarence Hilliard located?

Clarence Hilliard practices at 8640 Trinidad Way, Roseville, CA 95747. The listed phone number is (916) 984-2131.

What is Clarence Hilliard's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Clarence Hilliard enrolled in Medicare?

Yes. Clarence Hilliard is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Clarence Hilliard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Clarence Hilliard reassigns Medicare benefits to Cameron Park Counseling Center, Inc. (Cameron Park, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Clarence Hilliard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Clarence Hilliard was last updated on September 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.