Dr. Sidney Chang, MD
200 W Arbor DR, Regents of The University of California, San Diego, CA 92103 • +1-335-555-7196
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & San Diego Percentiles
NPI #1790888006 • CBSA Regional • Ophthalmology
Operating out of San Diego, CA (200 W Arbor DR, Regents of The University of California), Ophthalmology clinician Dr. Sidney Chang, MD (accredited MD/DO training, 1994) maintains a mid-cohort balanced caseload (55.71th San Diego percentile) (52.95th CA percentile; Z-score -0.29σ across 3,233 documented services) with sub-specialty concentration in 50 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 200 W Arbor DR, Regents of The University of California shows Dr. Sidney Chang's primary concentration in Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam (code 92014: 1196x/yr, 55.71th local percentile) alongside Scanning Computerized Ophthalmic Retinal OCT Imaging (92134: 841x/yr, $173–$237).
Self-pay new patient consultations with Dr. Chang (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 19-minute average reception wait, and a 4.87/5 modern protocol openness score across 23 patient logs.
From 200 W Arbor DR, Regents of The University of California in San Diego (+1-335-555-7196), Dr. Chang, MD (32-year clinical track record) delivers 50 Active CMS HCPCS Codes care.
Compared against San Diego, CA Ophthalmology peers
3,233 annual services across 972 beneficiaries
Standard deviations from CA 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 | 1,196 | 55.71th | $313 – $429 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 841 | 56.71th | $173 – $237 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 550 | 58.71th | $207 – $284 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 388 | 54.71th | $377 – $517 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 259 | 60.71th | $1381 – $1893 |
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Dr. Sidney Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1790888006 (MD) | CMS NPPES Registry (92103) |
| Dr. Chang San Diego CMS Volume Rank | 55.71th Pct (3,233 CMS svcs; Z -0.286σ) | CMS Medicare Part B (CA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Diego, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 19 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.87/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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