Physician Profile
Unclaimed ProfileAbout AHN
Joon S Ahn, M.D. practises hand surgery in Mount Vernon, IL. Joon is a 1995 graduate of Temple University School of Medicine. Joon is also listed as specialising in orthopaedic hand surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Ahn's specialty?
Dr. Ahn is a hand surgeon in Mount Vernon, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HAND SURGERY”.
NPI registry
Where can I find Dr. Ahn?
Dr. 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 Dr. Ahn?
The number on file is (618) 242-3778. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ahn?
Dr. 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 Dr. Ahn's medical education?
Dr. 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 Dr. Ahn have?
Dr. Ahn has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ahn known for?
According to Medicare billing data, Dr. 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 Dr. Ahn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ahn. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (618) 242-3778
- Email not available
Practice Locations
4121 VETERANS MEMORIAL DR
Mount Vernon, IL 62864
Procedures Most Often Billed to Medicare
3,044 services · 1,793 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
121 |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
113 |
| Release of wrist ligament using an endoscope | Procedure | 29848 |
73 |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
67 |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
34 |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
179 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
168 |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
126 |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
87 |
| Mri scan of arm joint without contrast | Imaging | 73221 |
70 |
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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.