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

Dr. Joon S Ahn, MD

Individual provider Orthopaedic Hand Surgery Physician · NPI 1083681027

Dr. Joon S Ahn, MD is a Hand Surgery in Mount Vernon, Illinois. Graduated from Temple University School of Medicine in 1995, 31 years ago. Practices with Select Physical Therapy Holdings Inc, a 2,121-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
31
Trained at
Temple University School of Medicine
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4121 Veterans Memorial Dr
Mount Vernon, IL 62864-6262
Phone: (618) 242-3778
Fax: (618) 242-2551
Show map & directions

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

Specialties & licences

Orthopaedic Hand Surgery Physician (primary) Taxonomy 207XS0106X · Licence 036104840 (IL)

Record details

NPI number1083681027
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 8, 2006
Last updated in NPPESJuly 9, 2007
Mailing address4121 Veterans Memorial Dr, Mount Vernon, IL 62864-6262

Medicare enrollment

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

Medicare specialtyHAND SURGERY
Also practisesORTHOPEDIC SURGERY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Select Physical Therapy Holdings Inc — 2121 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare