1. Home
  2. Directory
  3. California
  4. Walnut Creek
  5. Family Medicine
  6. NPI Profile

KEITH A JOHNSON MD
NPI 1568449494
Family Medicine in Walnut Creek, CA

Active since December 30, 2005PECOS Enrolled
1450 TREAT BLVD, STE 160, WALNUT CREEK, CA 94597(925) 296-9000(925) 296-9071 Get Directions Write a Review

NPPES record last updated: December 8, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Keith A Johnson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KEITH A JOHNSON MD (NPI 1568449494) is an individual family medicine provider in Walnut Creek, California, licensed in California (G87266) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568449494
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameKEITH A JOHNSONCredential: MD
Location Address1450 TREAT BLVD, STE 160Walnut Creek, CA 94597-2168
Mailing Address1450 Treat Blvd, Ste 300Walnut Creek, CA 94597-2168
Phone(925) 296-9000
Fax(925) 296-9071
Sole ProprietorNo
Enumeration DateDecember 30, 2005
Last NPPES UpdateDecember 8, 2016
✔ NPI 1568449494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G87266
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1450 TREAT BLVD, Walnut Creek, CA 94597
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINB45608CA
Medicare PIN00G872660CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Keith A Johnson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Keith Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

John Muir Physician Network
0.1 mi
General Practice
1450 TREAT BLVD, SUITE 300
Walnut Creek, CA 94597
  • Reassigned Medicare billing, California enrollment
  • 650 clinicians in this Medicare group
NPI 1841407665 (925) 296-9872

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 94597 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JASLEEN SOHAL M.D.
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. HENNESSEY TSENG M.D.
Internal Medicine (Cardiovascular Disease)
1450 TREAT BLVD, SUITE 220B
WALNUT CREEK, CA 94597
Contra Costa County (925) 937-1770
DR. DEBORAH A GREER M.D.
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9000
DR. RUQAYA FATIMA M.D.
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Contra Costa County (925) 286-9000
DR. PRITI H PATEL M.D.
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. DEVORAH E BEN-ZEEV M.D.
Internal Medicine
1450 TREAT BLVD, SUITE 120A
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
DR. KATHLEEN SMITH M.D.
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9770
DR. TESSIE A OKAMURA M.D.
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9770

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 Keith Johnson's NPI number?

The NPI number for Keith Johnson is 1568449494. It was assigned to this individual provider in the NPPES registry on December 30, 2005.

Where is Keith Johnson located?

Keith Johnson practices at 1450 Treat Blvd Ste 160, Walnut Creek, CA 94597. The listed phone number is (925) 296-9000.

What is Keith Johnson's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Keith Johnson enrolled in Medicare?

Yes. Keith Johnson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Keith Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keith Johnson reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, CA). The 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 Keith 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 Keith Johnson was last updated on December 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.