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

John Siegert, MD

Individual provider Orthopaedic Hand Surgery Physician · NPI 1013989185

John Siegert, MD is an Orthopaedic Hand Surgery Physician in Mequon, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

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

12300 N Port Washington Rd
Mequon, WI 53092-3339
Phone: (262) 243-5400
Fax: (262) 243-6005
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 29031 (WI)

Record details

NPI number1013989185
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 3, 2006
Last updated in NPPESJuly 13, 2026
Mailing address12300 N Port Washington Rd, Mequon, WI 53092-3339

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