Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Peter D Newcomer, MD

Individual provider Internal Medicine Physician · NPI 1386605756

Peter D Newcomer, MD practises Internal Medicine in Madison, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1995, 31 years ago. Practices with University of Wisconsin Medical Foundation Inc, a 2,536-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
31
Trained at
University of Wisconsin School of Medicine
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

451 Junction Rd
Madison, WI 53717
Phone: (608) 265-1600
Fax: (608) 265-7642
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 41966 (WI)

Record details

NPI number1386605756
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2006
Last updated in NPPESJanuary 14, 2021
Certification dateJanuary 14, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice University Of Wisconsin Medical Foundation Inc — 2536 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients52
Services billed 126 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at University of Wisconsin Medical Foundation Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2536 clinicians in the practice; 12 are shown here.

Other providers in Madison