Dr. Joel Corwin, MD
3085 Loma Vista Rd, Ventura, CA 93003 • +1-692-555-8867
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Ventura Percentiles
NPI #1518901651 • CBSA Regional • Ophthalmology
CMS Medicare Part B utilization records credit Dr. Joel Corwin (MD, NPI 1518901651) at 3085 Loma Vista Rd in Ventura with 11,010 annual clinical services (1,272 beneficiaries), corresponding to a +0.17σ regional deviation and upper-quartile active clinical volume (83.33th Ventura percentile) with sub-specialty concentration in 25 Active CMS HCPCS Codes.
Procedural volume for Dr. Corwin is led by HCPCS 92014 (Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam — 3579 annual services, $256–$350 GPCI cash estimate), followed by CPT 92134 (Scanning Computerized Ophthalmic Retinal OCT Imaging, 2515/yr) and CPT 92083 (Extended Threshold Visual Field Glaucoma Perimetry, 1644/yr).
Uninsured and high-deductible cash patients visiting Dr. Joel Corwin in Ventura (93003) face an estimated $239.00 initial evaluation fee at 3085 Loma Vista Rd (hybrid in-clinic and telehealth video consults; 10-minute average reception wait; bedside manner 4.55/5 from 4 verified reports).
Credentialed as an MD specialist with 18 years post-graduation experience since completing medical school at an LCME/COCA institution (2008), Dr. Corwin coordinates 25 Active CMS HCPCS Codes workups from 3085 Loma Vista Rd (+1-692-555-8867).
Compared against Ventura, CA Ophthalmology peers
11,010 annual services across 1,272 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 | 3,579 | 83.33th | $256 – $350 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 2,515 | 85.33th | $141 – $193 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 1,644 | 79.33th | $169 – $232 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 1,161 | 86.33th | $308 – $422 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 774 | 85.33th | $1127 – $1544 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (25 HCPCS billing breadth) | 1,338 | 83.33th | $225 – $326 |
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Dr. Joel Corwin, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Corwin National Provider Identifier | NPI #1518901651 (MD) | CMS NPPES Registry (93003) |
| Dr. Corwin Ventura CMS Volume Rank | 83.33th Pct (11,010 CMS svcs; Z +0.167σ) | CMS Medicare Part B (CA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ventura, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 10 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.40/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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