WILLIAM J PETERSEN (PA) – Medical Physician Assistant, NPI 1073580569

WILLIAM J PETERSEN (PA) is a healthcare provider. based in Madison, Wisconsin. specializing in Medical Physician Assistant. They hold the professional credentials PA. They hold a License No. 294 (WI). The NPI Number for WILLIAM J PETERSEN (PA) is 1073580569

Main info

Male
46 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM J PETERSEN (PA)
NPI
1073580569
Phone
(000) 000-0000
Address
2409 CENTER AVE
Enumeration Date
2 March 2006
Last Update Date
21 May 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
1980 (46 years ago)
PAC ID
0749477305
Group Practice PAC ID
6608785464
Professional Enrollment ID
I20101208000489
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for WILLIAM J PETERSEN (PA)

  • 2409 CENTER AVE

    MADISON, WI 537045628

    Phone: (000) 000-0000

    Type: Location

  • 7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States

    MIDDLETON, WI 535625531

    Phone:

    Type: Mailing

  • 4122, East Towne Boulevard, Madison, Dane County, Wisconsin, 53704, United States

    MADISON, WI 53704

    Phone: (608) 242-6850

    Fax: (608) 245-6185

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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.

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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 53704)

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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: 6608785464View full group profile
NameSpecialtyState
MEGAN FITZPATRICK (MD)
-WI
JACQUELYN BYRD
-WI
SHARON K. FINLAYSON (NP)
Nurse PractitionerWI
BRITTANY SIMPSON (NP)
Nurse PractitionerWI
MICHAEL DUANE WILLIAMS (MD)
Family PracticeWI
BRUCE A HARMS (MD)
-WI
KEITH C MEYER (MD)
-WI
MICHAEL W RITTER (MD)
-WI
DR. YEW-XIN TEH (MD)
Endocrinology, Internal MedicineWI
DR. KARI ANN KUBALANZA (M.D.)
Medical Oncology, Hematology/OncologyCA

Reviews

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Frequently asked questions

What is the 10-digit NPI for WILLIAM J PETERSEN (PA)?
WILLIAM J PETERSEN (PA) — NPI 1073580569 — is the standard way to identify this listing.
Is WILLIAM J PETERSEN (PA) listed as active for patients and plans?
The listing shows WILLIAM J PETERSEN (PA) as active in the NPI system.
What is WILLIAM J PETERSEN (PA)'s primary classification?
Medical Physician Assistant is the headline specialty for WILLIAM J PETERSEN (PA) here. Clinical services aligned with this taxonomy classification.
What area does WILLIAM J PETERSEN (PA) serve?
WILLIAM J PETERSEN (PA)'s listing highlights Madison, Wisconsin; more addresses can appear in NPPES.
Why does WILLIAM J PETERSEN (PA) have multiple addresses?
4 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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