Dr. John Yang, MD
676 N St Clair, #320, Chicago, IL 60611 • +1-630-555-3275
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1942315312 • CBSA 16980 • Ophthalmology
Dr. John Yang, MD (NPI #1942315312) practices Ophthalmology in Chicago, IL (60611) with sub-specialty concentration in 38 Active CMS HCPCS Codes, recording 4,511 annual CMS services across 1,570 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (77.48th Chicago percentile) (-0.22σ vs IL state mean, 69.87th statewide percentile).
Medicare Part B line-item claims for Dr. John Yang (60611) place 92014 at the top of the practice ledger (1669 yearly units, 77.48th metro rank), rounded out by 92134 and 92083.
Cash-pay intake data for NPI 1942315312 (676 N St Clair, #320, Chicago) indicates $222.00 typical out-of-pocket visit spend against a $222.00 locality benchmark, paired with 11-minute average reception wait and 4.55/5 biomarker openness.
Patients evaluating Dr. John Yang in ZIP 60611 note 28 years of post-doctoral tenure (null, 1998) alongside 2.9 annual CMS procedures per patient.
Compared against Chicago, IL Ophthalmology peers
4,511 annual services across 1,570 beneficiaries
Standard deviations from IL Ophthalmology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 92014 | Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam | 1,669 | 77.48th | $186 – $255 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 1,173 | 77.48th | $102 – $140 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 767 | 82.48th | $123 – $168 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 541 | 75.48th | $224 – $306 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 361 | 77.48th | $819 – $1122 |
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Dr. John Yang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Yang National Provider Identifier | NPI #1942315312 (MD) | CMS NPPES Registry (60611) |
| Dr. Yang Chicago CMS Volume Rank | 77.48th Pct (4,511 CMS svcs; Z -0.218σ) | CMS Medicare Part B (IL Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chicago, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 11 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.55/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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