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

Dr. Mark Siegel, MD

Individual provider Psychiatry Physician · NPI 1649322595

Dr. Mark Siegel, MD is a Psychiatry Physician in Wauwatosa, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2007.

Licensed in
WI
In the registry since
2007
Specialties on file
4
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

1220 Dewey Ave
Wauwatosa, WI 53213-2504
Phone: (414) 454-6566
Fax: (414) 454-6522
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 23242-020 (WI)
Psychiatry Physician Taxonomy 2084P0800X · Licence 23242020 (WI)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 23242020 (WI)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 23240-020 (WI)

Record details

NPI number1649322595
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 18, 2007
Last updated in NPPESDecember 20, 2011
Mailing address1220 Dewey Ave., Wauwatosa, WI 53213-2504

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