Dr. Diana Chao, MD
101 Wheeler Ave Ste A, Arcadia, CA 91006 • +1-779-555-5823
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Arcadia Percentiles
NPI #1528320298 • CBSA Regional • Ophthalmology
Statistical peer benchmarking across CA Ophthalmology providers positions Dr. Diana Chao, MD in Arcadia at -0.43σ (0th city percentile / 5.08th state percentile, 229 Medicare beneficiaries), with clinical focus spanning 20 Active CMS HCPCS Codes.
Procedural volume for Dr. Chao is led by HCPCS 92014 (Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam — 301 annual services, $214–$293 GPCI cash estimate), followed by CPT 92134 (Scanning Computerized Ophthalmic Retinal OCT Imaging, 212/yr) and CPT 92083 (Extended Threshold Visual Field Glaucoma Perimetry, 138/yr).
At 101 Wheeler Ave Ste A (91006), Dr. Diana Chao, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.90/5 bedside rating).
Clinical background for Dr. Chao (MD, NPI #1528320298) includes accredited doctoral training (2008, 18 yrs in practice) and virtual + in-office availability across CA.
Compared against Arcadia, CA Ophthalmology peers
814 annual services across 229 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 | 301 | 12th | $214 – $293 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 212 | 12th | $118 – $161 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 138 | 12th | $141 – $194 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 98 | 12th | $257 – $352 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 65 | 12th | $941 – $1290 |
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Dr. Diana Chao, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chao National Provider Identifier | NPI #1528320298 (MD) | CMS NPPES Registry (91006) |
| Dr. Chao Arcadia CMS Volume Rank | 0.00th Pct (814 CMS svcs; Z -0.427σ) | CMS Medicare Part B (CA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Arcadia, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 12 min lobby wait | 22 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.90/5 Listening • 4.89/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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