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Active NPI 1184337032 Individual Practitioner Male Practitioner

Ganan Hahn , PA

Physician Assistant • Belleville, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Ganan Hahn, PA is a certified Physician Assistant practicing in Belleville, IL. With approximately 5 years of clinical experience since graduating from Saint Louis University School Of Medicine in 2021, Ganan Hahn delivers high-quality medical care to the local community at 4700 MEMORIAL DR STE 340.

Ganan Hahn maintains professional affiliations with Fairview Heights Medical Group Sc, Select Physical Therapy Holdings Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include replacement of knee joint, both sides of knee. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4700 Memorial Dr Ste 340

Belleville, IL 622265373

Telephone 6182349884
Fax 6182359020
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Saint Louis University School Of Medicine

Graduation Year

2021

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Belleville, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -9.1 yrs vs City Avg
City Avg: 14.1 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
42 Specialists

Practicing in Belleville, IL (4958 Statewide)

Telehealth Adoption Rate
9.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
86.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hahn (5 Years) 5 Yrs
Belleville Specialty Average (14.1 Years) 14.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
27447 Replacement of knee joint, both sides of knee
13 12 $1342.80 $180.36

Medical Specialties & State Licenses

CMS Verified: 2025-09-19
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 08501028

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Fairview Heights Medical Group Sc

1418 Cross St, Shiloh, IL 622692988

Phone: 6186073900

Fairview Heights Medical Group Sc

4500 Memorial Dr, Belleville, IL 622265360

Phone: 6182576220

Fairview Heights Medical Group Sc

1404 Cross St, Shiloh, IL 622692988

Phone: 6186073055

Fairview Heights Medical Group Sc

1 Memorial Dr, Alton, IL 620026722

Phone: 6184637240

Select Physical Therapy Holdings Inc

326 E Main St, West Frankfort, IL 628962402

Phone: 6189376200

Fairview Heights Medical Group Sc

1404 Cross St, Shiloh, IL 622692988

Phone: 6186073700

Fairview Heights Medical Group Sc

4700 Memorial Dr, Belleville, IL 622265373

Secondary Practice Locations

3437 Caroline St

Saint Louis, MO 631041111

Phone: 3149772570

Practice Associates & Co-Workers

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

17 Associated Practitioners
Dr. Charles Lehmann , MD

Orthopaedic Surgery

NPI 1033371992

Doctor of Medicine (M.D.)

Dr. Blakelyn Busse , DO

Orthopaedic Surgery

NPI 1093238230

Doctor of Osteopathic Medicine (D.O.)

Dr. Timothy Leeburton , MD

Orthopaedic Surgery - Hand Surgery

NPI 1104823574

Doctor of Medicine (M.D.)

Dr. Gregory Simmons , MD

Orthopaedic Surgery

NPI 1194729871

Doctor of Medicine (M.D.)

Dr. Jason Wiechert , DO

Orthopaedic Surgery

NPI 1235545971

Doctor of Osteopathic Medicine (D.O.)

Dr. Harvey Mirly , MD

Orthopaedic Surgery - Hand Surgery

NPI 1447203971

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 19, 2025

Physician Assistant (License #08501028 in IL)

📍
Updated Practice Location April 09, 2024

Registered at 4700 MEMORIAL DR STE 340, BELLEVILLE, IL 622265373 (Tel: 6182349884)

📍
Updated Business Mailing Address April 09, 2024

Registered at 660 MASON RIDGE CENTER DR STE 300, SAINT LOUIS, MO 631418512 (Tel: 3144483791)

👤
Provider Name / Credentials Updated April 09, 2024

Recorded as GANAN HAHN, PA

NPI Profile Active January 05, 2023

NPI status registered as active in NPPES database

📍
Updated Practice Location January 05, 2023

Registered at 3437 CAROLINE ST, SAINT LOUIS, MO 631041111 (Tel: 3149772570)

📍
Updated Business Mailing Address January 05, 2023

Registered at 1022 COMMODORE DR UNIT 2A, SAINT LOUIS, MO 631171513

👤
Provider Name / Credentials Updated January 05, 2023

Recorded as GANAN HAHN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 05, 2023

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration January 05, 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: 1184337032
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 05, 2023
Last Update: September 19, 2025
Sole Proprietor: No

Mailing Address

660 Mason Ridge Center Dr Ste 300

Saint Louis, MO 631418512

Phone: 3144483791

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.