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

Michael D Wertheimer, MD

Individual provider Surgical Oncology Physician · NPI 1265540975

Michael D Wertheimer, MD is a General Surgery in Worcester, Massachusetts. Graduated from Perelman School of Med at the University of Pennsylvania in 1971, 55 years ago. Practices with Cambridge Public Health Commission, a 649-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
55
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Umass Memorial Health Care 119 Belmont St
Worcester, MA 01605
Phone: (508) 334-5132
Show map & directions

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

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence 34387 (MA)

Record details

NPI number1265540975
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESJuly 20, 2015
Mailing address400 Blue Hill Dr 2b, Westwood, MA 02090-2161

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1971 (55 years in practice)
Group practice Cambridge Public Health Commission — 649 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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