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

Mr. Mark Henry Decker, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1235244484

Mr. Mark Henry Decker, MD is an Obstetrics & Gynecology Physician in Milwaukee, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
Specialties on file
2
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

215 N 35th St
Milwaukee, WI 53208-4106
Phone: (414) 931-7600
Fax: (414) 271-9951
Show map & directions

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

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X · Licence 26951-020 (WI)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 26951 (WI)

Record details

NPI number1235244484
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2006
Last updated in NPPESMarch 7, 2023

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