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

Mrs. Marissa Lynn Steinhaus, PA-C

Individual provider Physician Assistant · NPI 1073353017

Mrs. Marissa Lynn Steinhaus, PA-C is a Physician Assistant in Plymouth, Wisconsin. Qualified in 2024, 2 years ago. Practices with St Nicholas Hospital-Sisters of the Third Order of St Francis, a 175-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
2
Licensed in
WI
In the registry since
2024
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

825 Walton Dr
Plymouth, WI 53073-5022
Phone: (920) 496-4700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1411 N Taylor Dr, Sheboygan, WI 53081-3043 — (920) 496-4700

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 8355-23 (WI)

Record details

NPI number1073353017
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMay 28, 2024
Last updated in NPPESFebruary 3, 2026
Certification dateFebruary 3, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice St. Nicholas Hospital-Sisters Of The Third Order Of St Francis — 175 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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