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

Individual provider Surgery Physician · NPI 1861447427

Mala Thenappan, MD practises General Surgery in Milwaukee, Wisconsin. Graduated from Medical College of Wisconsin in 1993, 33 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
33
Trained at
Medical College of Wisconsin
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

3070 N 51st St Ste 100
Milwaukee, WI 53210-1645
Phone: (414) 875-9950
Fax: (414) 447-2575
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • N2950 State Road 67, Lake Geneva, WI 53147-2655 — (262) 245-0535

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 36822-020 (WI)

Record details

NPI number1861447427
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 23, 2006
Last updated in NPPESApril 1, 2024
Certification dateApril 1, 2024

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1993 (33 years in practice)
Group practice Mercy Health System Corporation — 751 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 patients15
Services billed 28 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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.

  • Mercy Walworth Hospital & Medical Center Hospital · Lake Geneva, WI

Colleagues at Mercy Health System Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 751 clinicians in the practice; 12 are shown here.

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