JOHN FREDERICK RIEDEL MD
NPI 1205892825
Ophthalmology in Walnut Creek, CA

Q: What is John Riedel's NPI number?

The NPI number for John Riedel is 1205892825. It was assigned to this individual provider in the NPPES registry on April 22, 2006.

Q: What is John Riedel's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for John Riedel was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since April 22, 2006PECOS Enrolled

112 LA CASA VIA, #260, WALNUT CREEK, CA 94598(925) 934-6300(925) 933-9547 Get Directions Write a Review

NPPES record last updated: July 16, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About John Frederick Riedel Md NPPES

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

JOHN FREDERICK RIEDEL MD (NPI 1205892825) is an individual ophthalmology provider in Walnut Creek, California, licensed in California (00A239850) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205892825

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameJOHN FREDERICK RIEDELCredential: MD

Location Address112 LA CASA VIA, #260Walnut Creek, CA 94598

Mailing Address112 La Casa Via, #260Walnut Creek, CA 94598 · (925) 934-6300 · Fax (925) 933-9547

Phone(925) 934-6300

Fax(925) 933-9547

Sole ProprietorYes

Enumeration DateApril 22, 2006

Last NPPES UpdateJuly 16, 2007

✔ NPI 1205892825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · 00A239850

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

112 LA CASA VIA, Walnut Creek, CA 94598

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Other Identifiers 2

Medicare UPINA23780

Medicare ID-Type Unspecified00A239850

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Frederick Riedel 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 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.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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.

RAYMOND S. RUZICANO, M.D.INC

Psychiatry & Neurology (Psychiatry)

112 LA CASA VIA, SUITE 345
WALNUT CREEK, CA 94598

Contra Costa County (925) 943-1400

DEBORAH L. KERLIN, M.D., INC.

Surgery

112 LA CASA VIA, SUITE 340
WALNUT CREEK, CA 94598

Contra Costa County (925) 945-7600

CLOVER PHARMACY INC

Pharmacy (Community/Retail Pharmacy)

112 LA CASA VIA, STE 100
WALNUT CREEK, CA 94598

Contra Costa County (925) 939-6311

ROBERT W DAVIES MD

Internal Medicine (Nephrology)

112 LA CASA VIA, SUITE 210
WALNUT CREEK, CA 94598

Contra Costa County (925) 944-0351

CAROL ROGERS DIRAIMONDO MD

Internal Medicine (Nephrology)

112 LA CASA VIA, STE 210
WALNUT CREEK, CA 94598

Contra Costa County (925) 944-0351

MRS. DEBRA ANN KLEIN RNC, MSN, NP

Clinical Nurse Specialist (Women's Health)

112 LA CASA VIA, SUITE 130
WALNUT CREEK, CA 94598

Contra Costa County (925) 937-0995

DR. BRIM AARON MCMILLAN-GORDON DPM

Podiatrist

112 LA CASA VIA, STE #110
WALNUT CREEK, CA 94598

Contra Costa County (925) 935-8255

THERESA RUNYON RN NP

Registered Nurse

112 LA CASA VIA, STE 210
WALNUT CREEK, CA 94598

Contra Costa County (925) 944-0351

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 John Riedel's NPI number?

The NPI number for John Riedel is 1205892825. It was assigned to this individual provider in the NPPES registry on April 22, 2006.

Where is John Riedel located?

John Riedel practices at 112 La Casa Via #260, Walnut Creek, CA 94598. The listed phone number is (925) 934-6300.

What is John Riedel's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is John Riedel enrolled in Medicare?

Yes. John Riedel is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Riedel was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.