Dr. Vivien Au, DO
2619 E Colorado Blvd, Suite 100, Pasadena, CA 91107 • +1-748-555-9879
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Pasadena Percentiles
NPI #1649550872 • CBSA Regional • Ophthalmology
Operating out of Pasadena, CA (2619 E Colorado Blvd, Suite 100), Ophthalmology clinician Dr. Vivien Au, DO (accredited MD/DO training, 2001) maintains a mid-cohort balanced caseload (63.64th Pasadena percentile) (52.54th CA percentile; Z-score -0.29σ across 3,197 documented services) with sub-specialty concentration in 42 Active CMS HCPCS Codes.
Procedural volume for Dr. Au is led by HCPCS 92014 (Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam — 1183 annual services, $154–$210 GPCI cash estimate), followed by CPT 92134 (Scanning Computerized Ophthalmic Retinal OCT Imaging, 831/yr) and CPT 92083 (Extended Threshold Visual Field Glaucoma Perimetry, 543/yr).
Uninsured and high-deductible cash patients visiting Dr. Vivien Au in Pasadena (91107) face an estimated $239.00 initial evaluation fee at 2619 E Colorado Blvd, Suite 100 (in-person clinic visits only; 21-minute average reception wait; bedside manner 4.93/5 from 21 verified reports).
Spanning 25 years of clinical practice following 2001 graduation from medical training, Dr. Vivien Au integrates 42 Active CMS HCPCS Codes diagnostics for Pasadena metro patients.
Compared against Pasadena, CA Ophthalmology peers
3,197 annual services across 513 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 | 1,183 | 63.64th | $154 – $210 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 831 | 59.64th | $85 – $116 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 543 | 61.64th | $102 – $139 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 384 | 59.64th | $185 – $253 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 256 | 67.64th | $677 – $928 |
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Dr. Vivien Au, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Au National Provider Identifier | NPI #1649550872 (DO) | CMS NPPES Registry (91107) |
| Dr. Au Pasadena CMS Volume Rank | 63.64th Pct (3,197 CMS svcs; Z -0.289σ) | CMS Medicare Part B (CA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Pasadena, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.93/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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