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

Hannah Flak

Individual provider Surgical Physician Assistant · NPI 1043995111

Hannah Flak is a Physician Assistant in Marshfield, Wisconsin. Qualified in 2025, 1 year ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
1
Licensed in
WI
In the registry since
2023

Practice location Address checks out

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone: (715) 387-5511
Show map & directions

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

Additional practice locations (1)

  • W16981 Thorn Apple Dr, Wittenberg, WI 54499-8456 — (715) 326-0156

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence 8455 (WI)

Record details

NPI number1043995111
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 16, 2023
Last updated in NPPESNovember 18, 2025
Certification dateNovember 18, 2025
Mailing address1000 N Oak Ave, Marshfield, WI 54449-5703

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Marshfield