David Kevin Johnson, PHD
Clinical Psychologist · Walnut Creek, CA
David Kevin Johnson, PHD is a clinical psychologist with a practice address in Walnut Creek, California, and NPI 1669955837, issued on Sep 12, 2018. Check the license (California 30118, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Kevin Johnson
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 30118 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Wiget LN, Walnut Creek, CA 94598
- Phone
- (785) 342-2778
- Enumerated
- Sep 12, 2018
- Record last updated
- Sep 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190115001882); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 100 N Wiget LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Kevin Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 30118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Kevin Johnson among 12,647 clinical psychologist records in California
David Kevin Johnson, 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. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2003 · median 2006 among the 2,424 with a school on file
- Record last updated2018 · 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).
96 clinical psychologist records list a practice address in Walnut Creek
They are 96 of the 6,170 NPPES records with a practice address in Walnut Creek, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in Walnut Creek → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- John Gasperoni, PH.D.Walnut Creek, CA 945981619940178
- Stephen Heckman, PH.D.Walnut Creek, CA 945981417011735
- Gertrudes Hernandez, PHDWalnut Creek, CA 945981821259953
- Noel Honeck, PH.D.Walnut Creek, CA 945981851875322
- Lara Honos-Webb, PH.D.Walnut Creek, CA 945981548400393
- Margory Joehnk, PHDWalnut Creek, CA 945981386653491
- Phylis Kramer, PH.D.Walnut Creek, CA 945981316090939
- Astra Maestas, PSY.D.Walnut Creek, CA 945981467850776
Common questions
What is David Kevin Johnson, PHD's NPI number?
David Kevin Johnson, PHD's National Provider Identifier (NPI) is 1669955837, issued on Sep 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is David Kevin Johnson, PHD located?
The NPPES record lists a practice address at 100 N Wiget LN, Walnut Creek, CA, 94598. Phone: (785) 342-2778. Providers update this record themselves, so call before visiting.
How can I verify David Kevin Johnson, PHD's license?
NPPES lists California license number 30118, 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.