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

Dr. Greg Peter Watchmaker, MD

Individual provider Orthopaedic Hand Surgery Physician · NPI 1275564221

Dr. Greg Peter Watchmaker, MD is a Hand Surgery in Mequon, Wisconsin. Graduated from Washington University School of Medicine in 1989, 37 years ago. Practices with Milwaukee Hand Center S C, a 3-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
37
Trained at
Washington University 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.

See every abbreviation used in this directory →

Practice location Address checks out

1535 W Market St
Mequon, WI 53092-5053
Phone: (262) 241-9224
Fax: (262) 241-9228
Show map & directions

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

Specialties & licences

Orthopaedic Hand Surgery Physician (primary) Taxonomy 207XS0106X · Licence 37648 (WI)

Record details

NPI number1275564221
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 6, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1535 W Market St, Mequon, WI 53092-5053

Medicare enrollment

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

Medicare specialtyHAND SURGERY
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Milwaukee Hand Center S C — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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