DR. WILLIAM DANIEL PEFFLEY (DO) – Family Medicine Physician, NPI 1275548562

DR. WILLIAM DANIEL PEFFLEY (DO) is a healthcare provider. based in Dallas, Oregon. specializing in Family Medicine Physician. They hold the professional credentials DO. They hold a License No. DO27471 (OR). The NPI Number for DR. WILLIAM DANIEL PEFFLEY (DO) is 1275548562

Main info

Male
Sole Proprietor
26 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM DANIEL PEFFLEY (DO)
NPI
1275548562
Phone
(503) 623-1200
Address
607 SE JEFFERSON ST
Enumeration Date
29 July 2006
Last Update Date
5 April 2012

Doctor Profile

Medical School Name
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Secondary Phone
5036231200
Graduation Year
2000 (26 years ago)
PAC ID
7719074384
Group Practice PAC ID
8921195538
Professional Enrollment ID
I20071029000485
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. WILLIAM DANIEL PEFFLEY (DO)

  • Southeast Jefferson Street, Dallas, Polk County, Oregon, 97338, United States

    DALLAS, OR 973382025

    Phone: (503) 623-1200

    Fax: (503) 623-1414

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 47 Open Payments records for all available years, with a total value of $1,233.

Total Amount is formed as General ($1,233) + Research ($0) + Ownership ($0) = $1,233.

Last reported payment date: 2024-12-18 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($199).

Total Amount

$1,233

General + Research + Ownership

Payments

47

Total payment records

General Amount

$1,233

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-18

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 97338)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8921195538View full group profile

Reviews

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Frequently asked questions

What federal number belongs to DR. WILLIAM DANIEL PEFFLEY (DO)?
The federal identifier for DR. WILLIAM DANIEL PEFFLEY (DO) is NPI 1275548562.
Is DR. WILLIAM DANIEL PEFFLEY (DO)'s NPI currently valid?
The extract we use shows DR. WILLIAM DANIEL PEFFLEY (DO) as active.
Does DR. WILLIAM DANIEL PEFFLEY (DO) list a primary specialty?
If you are matching referrals, note Family Medicine Physician for DR. WILLIAM DANIEL PEFFLEY (DO). Clinical services aligned with this taxonomy classification.
What location shows for DR. WILLIAM DANIEL PEFFLEY (DO)?
We surface Dallas, Oregon for DR. WILLIAM DANIEL PEFFLEY (DO) based on available NPPES addresses.
Is DR. WILLIAM DANIEL PEFFLEY (DO) a real provider?
This page reflects official NPPES data for NPI 1275548562. Always confirm identity and privileges with the practice and licensing boards.

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