NPPES file of Aug 9, 2026

Robert John Horon, PHD

Clinical Psychologist · Napa, CA

Robert John Horon, PHD is a clinical psychologist with a practice address in Napa, California, and NPI 1740473552, issued on Aug 24, 2007. Check the license (California PSY15003, 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
1740473552
Name
Robert John Horon
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY15003 CA
Self-reported in NPPES; status is on the state search
Practice location
1580 1St St, Napa, CA 94559
Phone
(707) 258-8757
Enumerated
Aug 24, 2007
Record last updated
May 7, 2024
Fax
(707) 253-0457
Medicaid ID
PSY150030 CA
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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Also registered at 1580 1St St

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

  1. Shan Elahi, MDPsychiatry Physician1982050159
  2. John Fordham, DOPsychiatry Physician1225464993
  3. Qyana Griffith, MD, MAPsychiatry Physician1255674495
  4. Sigurdur Hektorsson, M.D.Psychiatry Physician1447534029
  5. Micah Hoffman, MDPsychiatry Physician1649565417
  6. Toni Martello, M.D.Psychiatry Physician1801157920

Verify Robert John Horon 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 PSY15003
    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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108 clinical psychologist records list a practice address in Napa

They are 108 of the 3,583 NPPES records with a practice address in Napa, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical psychologist records in California

  1. Tanya Aaen, PH.D.Martinez, CA1477518561
  2. Jack Aamot, PSY.D.Napa, CA1770711210
  3. Brian Abary, PSY.DLos Angeles, CA1538354832
  4. Tatevik Abaryan, PH.D.Pacoima, CA1952682619
  5. Liana Abascal, PH.D.San Diego, CA1073740569
  6. Jessica Abdalla, PHDWalnut Creek, CA1558069211
  7. Mohamed Abdallah, PSY.DEl Centro, CA1912430851
  8. Megan Abdolrashidi, PSYDGilroy, CA1093293094
  9. Keri Abdullah, PH.D.San Diego, CA1699840587
  10. Qutayba Abdullatif, PH.D.Pasadena, CA1134667751

Common questions

What is Robert John Horon, PHD's NPI number?

Robert John Horon, PHD's National Provider Identifier (NPI) is 1740473552, issued on Aug 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert John Horon, PHD located?

The NPPES record lists a practice address at 1580 1St St, Napa, CA, 94559. Phone: (707) 258-8757. Providers update this record themselves, so call before visiting.

How can I verify Robert John Horon, PHD's license?

NPPES lists California license number PSY15003, 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.