Dr. Marc Dinowitz, MD
937 E Main St, C/O East End Eye A Division of Prohealth Care Associate, Riverhead, NY 11901 • +1-933-555-9212
Medical Education: Accredited U.S. Medical School (Class of 2012)
What This Doctor Actually Performs: CMS Medicare Utilization & Riverhead Percentiles
NPI #1578582466 • CBSA Regional • Ophthalmology
Operating out of Riverhead, NY (937 E Main St, C/O East End Eye A Division of Prohealth Care Associate), Ophthalmology clinician Dr. Marc Dinowitz, MD (accredited MD/DO training, 2012) maintains a focused low-volume boutique caseload (20th Riverhead percentile) (72.57th NY percentile; Z-score -0.10σ across 4,795 documented services) with sub-specialty concentration in 40 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1578582466 highlights 1774 annual claims for 92014 (20th Riverhead percentile; $270–$370 self-pay corridor) plus 1247 encounters under 92134 and 815 under 92083.
Self-pay new patient consultations with Dr. Dinowitz (CPT 99204 GPCI-adjusted benchmark) estimate around $232.00 (community reported average: $232.00) with hybrid in-clinic and telehealth video consults, 15-minute average reception wait, and a 4.54/5 modern protocol openness score across 5 patient logs.
From 937 E Main St, C/O East End Eye A Division of Prohealth Care Associate in Riverhead (+1-933-555-9212), Dr. Dinowitz, MD (14-year clinical track record) delivers 40 Active CMS HCPCS Codes care.
Compared against Riverhead, NY Ophthalmology peers
4,795 annual services across 1,999 beneficiaries
Standard deviations from NY 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 | 1,774 | 20th | $270 – $370 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 1,247 | 20th | $149 – $204 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 815 | 23th | $178 – $244 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 575 | 15th | $325 – $445 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 384 | 23th | $1189 – $1630 |
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Dr. Marc Dinowitz, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Dinowitz National Provider Identifier | NPI #1578582466 (MD) | CMS NPPES Registry (11901) |
| Dr. Dinowitz Riverhead CMS Volume Rank | 20.00th Pct (4,795 CMS svcs; Z -0.099σ) | CMS Medicare Part B (NY Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Riverhead, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 15 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.73/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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