NPPES file of Aug 9, 2026

Keith R. Peterson, PHD

Clinical Psychologist · Irvine, CA

Keith R. Peterson, PHD is a clinical psychologist with a practice address in Irvine, California, and NPI 1023144573, issued on Feb 26, 2007. Check the license (California PSY 15859, 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
1023144573
Name
Keith R. Peterson
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY 15859 CA
Self-reported in NPPES; status is on the state search
Practice location
6 Venture, Irvine, CA 92618
Phone
(949) 683-8789
Enumerated
Feb 26, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(949) 581-4484
Medicare enrollment
Enrolled (PECOS I20060317000564); accepts Medicare assignment
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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8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 6 Venture

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

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  2. Robin Ciafone, PHDClinical Psychologist1962567495
  3. Douglas Disiena, DCChiropractor1356417943
  4. Nancy Doucet, L.C.S.W.Clinical Social Worker1144259524
  5. Connor Duong, M.D.Child & Adolescent Psychiatry Physician1437325479
  6. Joey Estella, M.A., LMFTMarriage & Family Therapist1205006012

Verify Keith R. Peterson 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 PSY 15859    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

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Keith R. Peterson among 12,647 clinical psychologist records in California

Keith R. Peterson, PHD 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 fileYes · 19% of these records are
  • Graduated1995 · median 2006 among the 2,424 with a school on file
  • 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).

140 clinical psychologist records list a practice address in Irvine

They are 140 of the 7,778 NPPES records with a practice address in Irvine, and 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 Irvine → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Stephanie Buehler, PSY.D.Irvine, CA 926181427271451
  2. Robin Ciafone, PHDIrvine, CA 926181962567495
  3. Melanie Daye, PH.D.Irvine, CA 926181972751139
  4. William Gordon, PH.DIrvine, CA 926181699003376
  5. Lori Johnson, PSYDIrvine, CA 926181003103268
  6. Kristin Kleppe, PSYDIrvine, CA 926181780866285
  7. Erica Lehman, PSYDIrvine, CA 926181588971741
  8. Leeanne MarquezIrvine, CA 926181467745729

Common questions

What is Keith R. Peterson, PHD's NPI number?

Keith R. Peterson, PHD's National Provider Identifier (NPI) is 1023144573, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Keith R. Peterson, PHD located?

The NPPES record lists a practice address at 6 Venture, Irvine, CA, 92618. Phone: (949) 683-8789. Providers update this record themselves, so call before visiting.

How can I verify Keith R. Peterson, PHD's license?

NPPES lists California license number PSY 15859, 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.