Dr. Joon Ahn, MD
4121 Veterans Memorial DR, Mount Vernon, IL 62864 • +1-467-555-6287
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Mount Vernon Percentiles
NPI #1083681027 • CBSA Regional • Hand Surgery
Operating out of Mount Vernon, IL (4121 Veterans Memorial DR), Hand Surgery clinician Dr. Joon Ahn, MD (accredited MD/DO training, 2002) maintains a top-decile high-throughput specialist (99th percentile in Mount Vernon) (68.18th IL percentile; Z-score +0.05σ across 4,033 documented services) with sub-specialty concentration in 99 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Joon Ahn (62864) place 99214 at the top of the practice ledger (1055 yearly units, 99th metro rank), rounded out by 99213 and 93000.
At 4121 Veterans Memorial DR (62864), Dr. Joon Ahn, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$218.00 per new consult (4.72/5 bedside rating).
Patients evaluating Dr. Joon Ahn in ZIP 62864 note 24 years of post-doctoral tenure (null, 2002) alongside 5.2 annual CMS procedures per patient.
Top 10% Hand Surgery volume leader in Mount Vernon, IL
4,033 annual services across 777 beneficiaries
Standard deviations from IL Hand Surgery mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 1,055 | 99th | $83 – $114 |
| 99213 | Established Preventive & Chronic Care Visit | 609 | 99.5th | $63 – $87 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 305 | 97th | $30 – $45 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 234 | 99.5th | $97 – $133 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 141 | 97th | $115 – $158 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (99 HCPCS billing breadth) | 1,689 | 99th | $75 – $109 |
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Dr. Joon Ahn, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ahn National Provider Identifier | NPI #1083681027 (MD) | CMS NPPES Registry (62864) |
| Dr. Ahn Mount Vernon CMS Volume Rank | 99.00th Pct (4,033 CMS svcs; Z +0.051σ) | CMS Medicare Part B (IL Hand Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Mount Vernon, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 11 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.46/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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