WALTER G. KELLER MD
NPI 1679651764
Pediatrics in Walnut Creek, CA

Q: What is Walter Keller's NPI number?

The NPI number for Walter Keller is 1679651764. It was assigned to this individual provider in the NPPES registry on November 2, 2006.

Q: What is Walter Keller's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Walter Keller was last updated on November 30, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since November 02, 2006PECOS Enrolled

1425 S MAIN ST, WALNUT CREEK, CA 94596(925) 295-4000 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Walter G. Keller Md NPPES

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

WALTER G. KELLER MD (NPI 1679651764) is an individual pediatrics provider in Walnut Creek, California, licensed in California (G51098) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679651764

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameWALTER G. KELLERCredential: MD

Location Address1425 S MAIN STWalnut Creek, CA 94596-5318

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262

Phone(925) 295-4000

Sole ProprietorNo

Enumeration DateNovember 2, 2006

Last NPPES UpdateNovember 30, 2021

✔ NPI 1679651764 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · G51098

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1425 S MAIN ST, Walnut Creek, CA 94596

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Other Identifiers 1

Medicaid00G510980CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Walter G. Keller 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94596 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.

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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.

BROOK ANDREW WOOLLEY M.D.

Emergency Medicine

1425 S MAIN ST, EMERGENCY MEDICINE DEPARTMENT
WALNUT CREEK, CA 94596

Contra Costa County (925) 295-5100

DR. THOMAS CRESANTE D.O.

Hospitalist

1425 S MAIN ST, KAISER PERMANENTE WALNUT CREEK ATTN: HBS DEPT
WALNUT CREEK, CA 94596

Contra Costa County (925) 295-4643

SARA WON MD

Obstetrics & Gynecology