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

Individual provider Obstetrics & Gynecology Physician · NPI 1912388638

Marissa Decker, MD is an Obstetrics/Gynecology in Madison, Wisconsin. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2015, 11 years ago. Practices with Dean Health Systems Inc, a 1,184-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Nebraska and Wisconsin.

Years since qualifying
11
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
NE, WI
In the registry since
2015
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

752 N High Point Rd
Madison, WI 53717-2236
Phone: (608) 824-4000
Fax: (608) 824-4944
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • W180n8000 Town Hall Rd, Menomonee Falls, WI 53051-4002 — (262) 255-2500

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 7434 (NE)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 71587-20 (WI)

Record details

NPI number1912388638
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 18, 2015
Last updated in NPPESJune 9, 2023
Certification dateJune 9, 2023

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Dean Health Systems Inc — 1184 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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