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DR. PETER ALLEN SHUMWAY OD
NPI 1922147339
Optometrist in Sonora, CA

Active since February 05, 2007PECOS Enrolled
13923 MONO WAY, SONORA, CA 95370(209) 533-2550(209) 533-2951 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Peter Allen Shumway Od NPPES

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

DR. PETER ALLEN SHUMWAY OD (NPI 1922147339) is an individual optometrist in Sonora, California, licensed in California (7575T) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922147339
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. PETER ALLEN SHUMWAYCredential: OD
Location Address13923 MONO WAYSonora, CA 95370
Mailing Address13923 Mono WaySonora, CA 95370 · (209) 533-2550 · Fax (209) 533-2951
Phone(209) 533-2550
Fax(209) 533-2951
Sole ProprietorNo
Enumeration DateFebruary 5, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1922147339 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 7575T
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
13923 MONO WAY, Sonora, CA 95370
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Other Identifiers 3

Medicare UPINU49756
MedicaidSD0075750CA
Medicare ID-Type Unspecified5479470001

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peter Allen Shumway Od 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 Peter Shumway reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arthur N Donaldson M D Inc
1.7 mi
Ophthalmology
940 SYLVA LN, STE.G
Sonora, CA 95370
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1497882914 (209) 532-0340

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
73 services72 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95370 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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.

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 Peter Shumway's NPI number?

The NPI number for Peter Shumway is 1922147339. It was assigned to this individual provider in the NPPES registry on February 5, 2007.

Where is Peter Shumway located?

Peter Shumway practices at 13923 Mono Way, Sonora, CA 95370. The listed phone number is (209) 533-2550.

What is Peter Shumway's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Peter Shumway enrolled in Medicare?

Yes. Peter Shumway is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Peter Shumway's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Shumway reassigns Medicare benefits to Arthur N Donaldson M D Inc (Sonora, 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 Peter Shumway'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 Peter Shumway was last updated on July 8, 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.