Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William R. Cooper, MD

Individual provider Internal Medicine Physician · NPI 1023078037

William R. Cooper, MD is an Internal Medicine in Oconomowoc, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1993, 33 years ago. Practices with Prohealth Medical Group Inc, a 472-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
33
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

1185 Corporate Center Dr Ste 175 Prohealth Care Medical Associates Inc
Oconomowoc, WI 53066-4889
Phone: (262) 928-8400
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 49183 (WI)

Record details

NPI number1023078037
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESApril 16, 2012
Mailing address1185 Corporate Center Dr Ste 175, Prohealth Care Medical Associates Inc., Oconomowoc, WI 53066-4889

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 1993 (33 years in practice)
Group practice Prohealth Medical Group Inc — 472 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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