Dr. Evan Chang, MD
4860 Y St Ste 2400, Sacramento, CA 95817 • +1-680-555-9750
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Sacramento Percentiles
NPI #1457856759 • CBSA Regional • Ophthalmology
Within the Sacramento, CA (CBSA local) Ophthalmology cohort, Dr. Evan Chang, MD with sub-specialty concentration in 47 Active CMS HCPCS Codes ranks at the 50th municipal percentile and 55.79th CA percentile (-0.28σ Z-score) based on 3,433 billed procedures for 1,201 patients.
Among 5 tracked CMS fee-schedule codes for Dr. Chang (averaging 2.9 services per beneficiary), 92014 (Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam) represents 37% of tracked volume (1270 encounters), paired with 92134 (893x).
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, 21-minute average reception wait, and a 4.64/5 modern protocol openness score across 19 patient logs.
Credentialed as an MD specialist with 21 years post-graduation experience since completing medical school at an LCME/COCA institution (2005), Dr. Chang coordinates 47 Active CMS HCPCS Codes workups from 4860 Y St Ste 2400 (+1-680-555-9750).
Compared against Sacramento, CA Ophthalmology peers
3,433 annual services across 1,201 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 | 1,270 | 50th | $222 – $304 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 893 | 51th | $122 – $167 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 584 | 49th | $146 – $201 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 412 | 53th | $267 – $365 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 275 | 45th | $976 – $1338 |
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Dr. Evan Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1457856759 (MD) | CMS NPPES Registry (95817) |
| Dr. Chang Sacramento CMS Volume Rank | 50.00th Pct (3,433 CMS svcs; Z -0.275σ) | CMS Medicare Part B (CA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Sacramento, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.60/5 Listening • 4.64/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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