Registry data as of Aug 27, 2026

Robert Poston, PH.D

Clinical Psychologist · Walnut Creek, CA

Robert Poston, PH.D is a clinical psychologist with a practice address in Walnut Creek, California, and NPI 1538302930, issued on Apr 14, 2009. Check the license 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1538302930
Name
Robert Poston
Credential
PH.D
Primary taxonomy
Clinical Psychologist 103TC0700X
Practice location
39 Quail CT, Walnut Creek, CA 94596
Phone
(866) 748-3725
Enumerated
Apr 14, 2009
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 39 Quail CT

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

  1. Moumita ChatterjeeBehavior Technician1114534880
  2. Shoshana Kobrin, MFTMarriage & Family Therapist1609174044
  3. Sada Anand Miller, D.C.Chiropractor1700815289
  4. Elizabeth O'Connor, PH.D.Psychologist1982614996
  5. Tabitha RoundtreeBehavior Technician1205389939
  6. Anna Shorenstein, PSY.DClinical Psychologist1821155474

Verify Robert Poston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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 →

91 clinical psychologist records list a Walnut Creek practice address

They are 91 of the 6,170 NPPES records with a Walnut Creek practice address, and 11,200 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. Elena Abalo-Dehmer, PH.D.Anaheim, CA1942406368
  4. Brian Abary, PSY.DLos Angeles, CA1538354832
  5. Tatevik Abaryan, PH.D.Pacoima, CA1952682619
  6. Liana Abascal, PH.D.San Diego, CA1073740569
  7. Jessica Abdalla, PHDWalnut Creek, CA1558069211
  8. Mohamed Abdallah, PSY.DEl Centro, CA1912430851
  9. Megan Abdolrashidi, PSYDGilroy, CA1093293094
  10. Qutayba Abdullatif, PH.D.Pasadena, CA1134667751

Common questions

What is Robert Poston, PH.D's NPI number?

Robert Poston, PH.D's National Provider Identifier (NPI) is 1538302930, issued on Apr 14, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Robert Poston, PH.D located?

The NPPES record lists a practice address at 39 Quail CT, Walnut Creek, CA, 94596. Phone: (866) 748-3725. Providers update this record themselves, so call before visiting.

How can I verify Robert Poston, PH.D's license?

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. An NPI identifies who bills; it is not a license.

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.