NPPES file of Aug 9, 2026

Damon Christopher Corgiat, PH.D.

Clinical Psychologist · Rancho Cucamonga, CA

Damon Christopher Corgiat, PH.D. is a clinical psychologist with a practice address in Rancho Cucamonga, California, and NPI 1205223849, issued on Apr 21, 2015. Check the license (California PSY34178, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205223849
Name
Damon Christopher Corgiat
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
PSY34178 CA
9133595-6010 UT
Self-reported in NPPES; status is on the state search
Practice location
8300 Utica Ave Ste 245, Rancho Cucamonga, CA 91730
Phone
(909) 989-4055
Enumerated
Apr 21, 2015
Record last updated
Aug 23, 2024
Medicare enrollment
Enrolled (PECOS I20241107001247); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8300 Utica Ave Ste 245

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

  1. Sepideh Adhami, PSY.D.Psychologist1124451307
  2. Desiree Ayala, LMFTMarriage & Family Therapist1922751908
  3. Jenss Chang, PHDClinical Psychologist1942494786
  4. Daniel Chung, PSY.D.Psychologist1578895348
  5. Brittany Dey, PSYDPsychologist1437937067
  6. Ruby Garcia, LCSWMental Health Counselor1437722121

Verify Damon Christopher Corgiat 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 PSY34178
    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.

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Bills Medicare through one group practice

  1. Harbor Psychiatry And Mental Health Professional CorporationNewport Beach, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Damon Christopher Corgiat among 12,647 clinical psychologist records in California

Damon Christopher Corgiat, PH.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. Its NPI, issued in 2015, is newer than 74% of them.

  • NPI issued2015 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2019 · median 2006 among the 2,424 with a school on file
  • Record last updated2024 · 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).

41 clinical psychologist records list a practice address in Rancho Cucamonga

They are 41 of the 4,579 NPPES records with a practice address in Rancho Cucamonga, and 12,647 clinical psychologist records in California.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Doulglas Buche, PH.D.Rancho Cucamonga, CA 917301770557365
  2. Jenss Chang, PHDRancho Cucamonga, CA 917301942494786
  3. Christopher Deulen, PH.DRancho Cucamonga, CA 917301215094909
  4. Gerald Duprez, PH.D.Rancho Cucamonga, CA 917301760462105
  5. Richard Ettelson, PHDRancho Cucamonga, CA 917301174569453
  6. James Grace, PHDRancho Cucamonga, CA 917301396801304
  7. Sheila Hays, PH.D.Rancho Cucamonga, CA 917301497977110
  8. Wendy Ku, PSY.D.Rancho Cucamonga, CA 917301932242716

Common questions

What is Damon Christopher Corgiat, PH.D.'s NPI number?

Damon Christopher Corgiat, PH.D.'s National Provider Identifier (NPI) is 1205223849, issued on Apr 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Damon Christopher Corgiat, PH.D. located?

The NPPES record lists a practice address at 8300 Utica Ave Ste 245, Rancho Cucamonga, CA, 91730. Phone: (909) 989-4055. Providers update this record themselves, so call before visiting.

How can I verify Damon Christopher Corgiat, PH.D.'s license?

NPPES lists California license number PSY34178, 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. Medicare files from data.cms.gov. 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.