Dr. Aimee Chang, MD
160 Green Valley Rd Ste 202, Freedom, CA 95019 • +1-627-555-3566
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Freedom Percentiles
NPI #1730689340 • CBSA Regional • Ophthalmology
Anchored in Freedom, CA 95019, Dr. Aimee Chang, MD (NPI 1730689340) logged 5,524 annual procedures (top-decile high-throughput specialist (99th percentile in Freedom), 71.9th CA percentile, -0.15σ) with sub-specialty concentration in 47 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Chang (averaging 4.3 services per beneficiary), 92014 (Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam) represents 37% of tracked volume (2044 encounters), paired with 92134 (1436x).
Self-pay new patient consultations with Dr. Chang (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with in-person clinic visits only, 20-minute average reception wait, and a 4.78/5 modern protocol openness score across 24 patient logs.
NPI registry verification (#1730689340) confirms Dr. Aimee Chang's MD standing serving CBSA 95019 with a 4.93/5 patient scorecard.
Top 10% Ophthalmology volume leader in Freedom, CA
5,524 annual services across 1,278 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 | 2,044 | 99th | $192 – $263 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 1,436 | 94th | $106 – $145 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 939 | 99.5th | $127 – $174 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 663 | 98th | $231 – $316 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 442 | 99.5th | $844 – $1157 |
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Dr. Aimee Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1730689340 (MD) | CMS NPPES Registry (95019) |
| Dr. Chang Freedom CMS Volume Rank | 99.00th Pct (5,524 CMS svcs; Z -0.153σ) | CMS Medicare Part B (CA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Freedom, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.78/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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