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

Dr. Dorene Kay Zerfas, MD

Individual provider Surgery Physician · NPI 1427299973

Dr. Dorene Kay Zerfas, MD is a General Surgery in West Bend, Wisconsin. Qualified in 2008, 18 years ago. Practices with Ascension Medical Group-Southeast Wisconsin Inc, a 555-clinician group and accepts Medicare assignment. Licensed in Indiana, New York and Wisconsin.

Years since qualifying
18
Licensed in
IN, NY, WI
In the registry since
2009
Specialties on file
3
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

3200 Pleasant Valley Rd
West Bend, WI 53095-9274
Phone: (262) 836-7300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 01076316A (IN)
Surgery Physician Taxonomy 208600000X · Licence 270530 (NY)
Surgery Physician Taxonomy 208600000X · Licence 71608-20 (WI)

Record details

NPI number1427299973
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 12, 2009
Last updated in NPPESJuly 8, 2026
Certification dateJuly 8, 2026

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Ascension Medical Group-Southeast Wisconsin Inc — 555 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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