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Edit this profileAt a glance
- 4121 Veterans Memorial Dr, Mount Vernon, IL 62864
About Dr. Ahn
Joon S. Ahn, M.D. practices hand surgery in Mount Vernon, IL. Joon is a 1995 graduate of Temple University School of Medicine. Joon is also listed as specializing in orthopaedic hand surgery. Medicare claims data shows Joon provided 3,044 services to 1,793 patients. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. The provider's National Provider Identifier (NPI) is 1083681027.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (618) 242-3778
- Email not available
Practice Locations
4121 VETERANS MEMORIAL DR
Mount Vernon, IL 62864
Conditions Commonly Evaluated or Treated
Within Hand Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Arthritis & Joints
- Bone Spur on Finger
- Hand and Wrist Arthritis
- Hand Arthritis
- Kienbock's Disease
- Stiff Fingers
- Wrist sprain
Circulation
- Cold Sensitive Fingers and Toes
Congenital
- Extra or Webbed Fingers
Fractures & Injuries
- Black Toenail
- Boxer's Fracture
- Broken Scaphoid Bone
- Dislocated Finger
- Hand and finger fractures
- Jammed Finger
- Severed Finger
- Torn Thumb Ligament
- Wrist Cartilage Tear
- Wrist fracture
Infections
- Infected Finger
Injuries
- Boxer's Knuckle
- Crushed Hand Injury
- Foreign Object in Hand
- Hand Compartment Syndrome
- Jersey Finger
- Sprained Finger
Lumps & Bumps
- Bone Tumor in Hand
- Finger Cyst
Lumps & Masses
- Ganglion Cyst In Hand Or Wrist
- Hand Lump
Nails
- Nail Bed Injury
Nerves
- Carpal tunnel
- Cubital tunnel syndrome
- Cut Nerve in Hand
- Hand Neuroma
- Hand Numbness and Tingling
- Hand Weakness
- Pinched Nerve in Wrist
- Wrist Drop
Tendons
- De Quervain tenosynovitis
- Dupuytren's contracture
- Golfer's elbow
- Intersection Syndrome
- Mallet Finger
- Swan Neck Deformity
- Tennis elbow
- Torn Hand Tendon
- Trigger finger
Procedures & services
Bone surgery
- Ulnar Shortening Surgery
Cyst & Lump Removal
- Ganglion Cyst Removal
- Removal of a soft-tissue mass
Fracture Repair
- Boxer's Fracture Fixation
- Broken Finger Surgery
- Scaphoid Fracture Surgery
- Wrist fracture fixation
Injections
- Cortisone Shot for Finger
- Cortisone Shot for Wrist
- Xiaflex Injection for Dupuytren's
Injections & Therapy
- Custom Hand Splinting
- Hand therapy
- Mallet Finger Splinting
- PRP Shot for Wrist or Elbow
- Tendon Sheath Injection
Joint surgery
- Finger Bone Spur Removal
- Thumb Base Joint Replacement
Joint Surgery
- Finger Joint Fusion
- Finger Joint Replacement
- Thumb Arthritis Surgery
- Thumb Ligament Repair
- Wrist Arthroscopy
- Wrist Cartilage Repair
- Wrist Fusion
Minor procedures
- Finger Dislocation Reset
- Foreign Object Removal from Hand
Nail procedures
- Blood Under Toenail Drainage
- Nail Bed Repair
Nerve Surgery
- Carpal tunnel surgery
- Cubital tunnel decompression
- Nerve Repair Surgery
Nerve surgery
- Hand Neuroma Surgery
- Minimally Invasive Carpal Tunnel Release
Pain management
- Wrist Denervation Surgery
Tendon Surgery
- Dupuytren contracture surgery
- Tendon Repair Surgery
- Tendon Transfer Surgery
- Tennis Elbow Surgery
- Thumb Tendon Release
- Trigger finger release
Tendon surgery
- Jersey Finger Repair
- Tendon Scar Tissue Release
Trauma & Reconstruction
- Drainage of Finger Infection
- Extra Finger Removal
- Fingertip Reconstruction
- Severed Finger Reattachment
- Webbed Finger Separation
Wound repair
- Skin Graft for Hand Wound
Procedures Most Often Billed to Medicare
3,044 services · 1,793 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
121 | More often than most peers in Hand Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
113 | More often than most peers in Hand Surgery |
| Release of wrist ligament using an endoscope | Procedure | 29848 |
73 | More than most peers in Hand Surgery |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
67 | More often than most peers in Hand Surgery |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
34 | As often as other peers in Hand Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
179 | More often than most peers in Hand Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
168 | More often than most peers in Hand Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
126 | More often than most peers in Hand Surgery |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
87 | More often than most peers in Hand Surgery |
| Mri scan of arm joint without contrast | Imaging | 73221 |
70 | More than most peers in Hand Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Temple University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at Temple University School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Injection into tendon or ligament 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Joon S. Ahn's specialty?
Joon S. Ahn is a hand surgeon in Mount Vernon, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hand Surgery”.
NPI registry
Where can I find Joon S. Ahn?
Joon S. Ahn is listed at 4121 Veterans Memorial Dr, Mount Vernon, IL 62864. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Joon S. Ahn?
The number on file is (618) 242-3778. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Joon S. Ahn?
Joon S. Ahn's National Provider Identifier is 1083681027. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Joon S. Ahn's education?
Joon S. Ahn attended Temple University School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Joon S. Ahn have?
Joon S. Ahn has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What is Joon S. Ahn known for?
According to Medicare billing data, Joon S. Ahn performs procedures including injection into tendon or ligament, aspiration and/or injection of fluid from small joint and release of wrist ligament using an endoscope; reads or performs imaging such as x-ray of hand, minimum of 3 views and x-ray of shoulder, minimum of 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Joon S. Ahn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Joon S. Ahn. If this is you, claiming it is free.
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