Dr. Derek Mai, MD
11333 Sepulveda Blvd, Mission Hills, CA 91345 • +1-352-555-7284
Medical Education: Accredited U.S. Medical School (Class of 2004)
What This Doctor Actually Performs: CMS Medicare Utilization & Mission Hills Percentiles
NPI #1386051423 • CBSA Regional • Ophthalmology
Dr. Derek Mai, MD (NPI #1386051423) practices Ophthalmology in Mission Hills, CA (91345) with sub-specialty concentration in 42 Active CMS HCPCS Codes, recording 711 annual CMS services across 211 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (16.67th Mission Hills percentile) (-0.43σ vs CA state mean, 2.37th statewide percentile).
Granular CPT/HCPCS billing distribution at 11333 Sepulveda Blvd shows Dr. Derek Mai's primary concentration in Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam (code 92014: 263x/yr, 16.67th local percentile) alongside Scanning Computerized Ophthalmic Retinal OCT Imaging (92134: 185x/yr, $143–$195).
Cash-pay intake data for NPI 1386051423 (11333 Sepulveda Blvd, Mission Hills) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 17-minute average reception wait and 4.80/5 biomarker openness.
NPI registry verification (#1386051423) confirms Dr. Derek Mai's MD standing serving CBSA 91345 with a 4.94/5 patient scorecard.
Compared against Mission Hills, CA Ophthalmology peers
711 annual services across 211 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 | 263 | 16.67th | $259 – $355 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 185 | 12th | $143 – $195 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 121 | 17.67th | $171 – $235 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 85 | 17.67th | $312 – $427 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 57 | 19.67th | $1141 – $1564 |
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Dr. Derek Mai, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mai National Provider Identifier | NPI #1386051423 (MD) | CMS NPPES Registry (91345) |
| Dr. Mai Mission Hills CMS Volume Rank | 16.67th Pct (711 CMS svcs; Z -0.433σ) | CMS Medicare Part B (CA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Mission Hills, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 17 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.75/5 Listening • 4.80/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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