Dr. John Chang, MD
169 N Middletown Rd, Pearl River, NY 10965 • +1-488-555-1726
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Pearl River Percentiles
NPI #1073516027 • CBSA Regional • Ophthalmology
Anchored in Pearl River, NY 10965, Dr. John Chang, MD (NPI 1073516027) logged 5,185 annual procedures (mid-cohort balanced caseload (50th Pearl River percentile), 74.1th NY percentile, -0.08σ) with sub-specialty concentration in 49 Active CMS HCPCS Codes.
Procedural volume for Dr. Chang is led by HCPCS 92014 (Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam — 1918 annual services, $135–$185 GPCI cash estimate), followed by CPT 92134 (Scanning Computerized Ophthalmic Retinal OCT Imaging, 1348/yr) and CPT 92083 (Extended Threshold Visual Field Glaucoma Perimetry, 881/yr).
For out-of-network patients contacting +1-488-555-1726, Dr. Chang's practice posts a $232.00 GPCI self-pay consult estimate ($232.00 patient-logged median, 4.78/5 composite reality score over 17 submissions).
Credentialed as an MD specialist with 8 years post-graduation experience since completing medical school at an LCME/COCA institution (2018), Dr. Chang coordinates 49 Active CMS HCPCS Codes workups from 169 N Middletown Rd (+1-488-555-1726).
Compared against Pearl River, NY Ophthalmology peers
5,185 annual services across 905 beneficiaries
Standard deviations from NY 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 | 1,918 | 50th | $135 – $185 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 1,348 | 48th | $74 – $102 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 881 | 51th | $89 – $122 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 622 | 46th | $162 – $222 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 415 | 51th | $594 – $815 |
Are you Dr. John Chang? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Pearl River, NY:
<a href="https://dotmd.com/doctors/john-chang-md-pearl-river-ny-1073516027" title="Dr. John Chang, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1073516027.svg" alt="Dr. John Chang Ophthalmology Badge" width="280" height="72" /></a>
Dr. John Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1073516027 (MD) | CMS NPPES Registry (10965) |
| Dr. Chang Pearl River CMS Volume Rank | 50.00th Pct (5,185 CMS svcs; Z -0.079σ) | CMS Medicare Part B (NY Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Pearl River, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 15 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.62/5 Listening • 4.80/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. John Chang
Other High-Volume Ophthalmology Specialists in Pearl River, NY
Ranked strictly by CMS Medicare volumeDr. Chang Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Pearl River, NY.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. John Chang community threads and patient logs by age, biological sex, dosage, and treatment duration.