Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1043995111 Individual Practitioner Female Practitioner

Hannah Flak

Physician Assistant - Surgical • Marshfield, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Hannah Flak is a certified Physician Assistant - Surgical practicing in Marshfield, WI. With approximately 1 years of clinical experience since completing medical education in 2025, Hannah Flak delivers high-quality medical care to the local community at 1000 NORTH OAK AVENUE.

Hannah Flak is affiliated with Mchs Hospitals Inc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

1000 North Oak Avenue

Marshfield, WI 544495703

Telephone 7153875511
Associated Practice Facility / Clinic
🏢 Marshfield Clinic Inc Facility NPI 1952347981

Medicare Profile & Education

Medical School

Other

Graduation Year

2025

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant - Surgical in Marshfield, WI

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
1 Yrs -3.7 yrs vs City Avg
City Avg: 4.7 Yrs
State Avg: 13.5 Yrs
Regional Practice Density
4 Specialists

Practicing in Marshfield, WI (288 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Flak (1 Years) 1 Yrs
Marshfield Specialty Average (4.7 Years) 4.7 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-11-18
Physician Assistant - Surgical Primary Specialty

NUCC Taxonomy Code: 363AS0400X

State License WI 8455

Definition to come...

Hospital & Practice Group Affiliations

Mchs Hospitals Inc

1000 N Oak Ave, Marshfield, WI 544495703

Mchs Hospitals Inc

1000 N Oak Ave, Marshfield, WI 544495703

Phone: 7153875511

Secondary Practice Locations

W16981 Thorn Apple Dr

Wittenberg, WI 544998456

Phone: 7153260156

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Muhammad Maaz Zuberi , MBBS

Surgery - Vascular Surgery

NPI 1003307638

Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)

Dr. Jonathan Cutlan , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1013030758

Doctor of Medicine (M.D.)

Dr. Michael Katsnelson , MD

Psychiatry & Neurology - Neurology

NPI 1013170067

Doctor of Medicine (M.D.)

Kimberly Badzinski , CDE

Nutritionist - Nutrition, Education

NPI 1013234780

Certified Diabetes Educator

Dr. James Nash , DO

Internal Medicine

NPI 1013323187

Doctor of Osteopathic Medicine (D.O.)

Dr. Tahir Khan , MBBS

Internal Medicine - Pulmonary Disease

NPI 1013328095

Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location September 11, 2025

Registered at 1000 NORTH OAK AVENUE, MARSHFIELD, WI 544495703 (Tel: 7153875511)

📍
Updated Business Mailing Address September 11, 2025

Registered at 1000 N OAK AVE, MARSHFIELD, WI 544495703 (Tel: 1538755117)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 11, 2025

Physician Assistant (License #8455 in WI)

NPI Profile Active June 16, 2023

NPI status registered as active in NPPES database

📍
Updated Practice Location June 16, 2023

Registered at W16981 THORN APPLE DR, WITTENBERG, WI 544998456 (Tel: 7153260156)

📍
Updated Business Mailing Address June 16, 2023

Registered at W16981 THORN APPLE DR, WITTENBERG, WI 544998456 (Tel: 7153260156)

👤
Provider Name / Credentials Updated June 16, 2023

Recorded as HANNAH FLAK

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 16, 2023

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration June 16, 2023

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1043995111
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 16, 2023
Last Update: November 18, 2025
Sole Proprietor: No

Mailing Address

1000 N Oak Ave

Marshfield, WI 544495703

Phone: 1538755117

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.