DAVID KEVIN JOHNSON PHD
NPI 1669955837
Psychologist - Clinical in Walnut Creek, CA
About David Kevin Johnson Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID KEVIN JOHNSON PHD (NPI 1669955837) is an individual clinical provider in Walnut Creek, California, licensed in California (30118) and active in the NPI registry since September 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David Kevin Johnson Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show David Johnson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Davis, CA 95616
- Reassigned Medicare billing, California enrollment
- 2,570 clinicians in this Medicare group
Davis, CA 95616
- Reassigned Medicare billing, California enrollment
- 918 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Johnson's NPI number?
The NPI number for David Johnson is 1669955837. It was assigned to this individual provider in the NPPES registry on September 12, 2018.
Where is David Johnson located?
David Johnson practices at 100 N Wiget Ln, Walnut Creek, CA 94598. The listed phone number is (785) 342-2778.
What is David Johnson's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is David Johnson enrolled in Medicare?
Yes. David Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Johnson reassigns Medicare benefits to 2 organizations: Regents Of The Univ Of Ca (Davis, CA) and Regents Of The University Of California (Davis, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Johnson was last updated on September 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# David Kevin Johnson, PHD · NPI 1669955837
Clinical provider in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since September 12, 2018.
## Identity
- **NPI:** 1669955837 (Entity type: Individual)
- **Enumerated:** September 12, 2018
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 30118 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 100 N WIGET LN, Walnut Creek, CA 94598-5988
- **Phone:** (785) 342-2778
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The Univ Of Ca (NPI 1053304071, Davis, CA); Regents Of The University Of California (NPI 1912987553, Davis, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** September 12, 2018
- **Other identifiers:** Other 1356330203 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1669955837) · Data from the CMS NPPES public registry.