Dr. David Greenberg, MD
6801 N California Ave, Chicago, IL 60645 • +1-893-555-4628
Medical Education: Accredited U.S. Medical School (Class of 2006)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1730282187 • CBSA 16980 • Ophthalmology
Anchored in Chicago, IL 60645, Dr. David Greenberg, MD (NPI 1730282187) logged 6,444 annual procedures (upper-quartile active clinical volume (83.78th Chicago percentile), 77.93th IL percentile, -0.11σ) with sub-specialty concentration in 37 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 6801 N California Ave shows Dr. David Greenberg's primary concentration in Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam (code 92014: 2384x/yr, 83.78th local percentile) alongside Scanning Computerized Ophthalmic Retinal OCT Imaging (92134: 1675x/yr, $81–$111).
Self-pay new patient consultations with Dr. Greenberg (CPT 99204 GPCI-adjusted benchmark) estimate around $222.00 (community reported average: $222.00) with hybrid in-clinic and telehealth video consults, 17-minute average reception wait, and a 4.88/5 modern protocol openness score across 23 patient logs.
Credentialed as an MD specialist with 20 years post-graduation experience since completing medical school at an LCME/COCA institution (2006), Dr. Greenberg coordinates 37 Active CMS HCPCS Codes workups from 6801 N California Ave (+1-893-555-4628).
Compared against Chicago, IL Ophthalmology peers
6,444 annual services across 1,897 beneficiaries
Standard deviations from IL 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 | 2,384 | 83.78th | $147 – $201 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 1,675 | 78.78th | $81 – $111 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 1,095 | 79.78th | $97 – $133 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 773 | 85.78th | $177 – $242 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 516 | 87.78th | $647 – $887 |
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Dr. David Greenberg, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Greenberg National Provider Identifier | NPI #1730282187 (MD) | CMS NPPES Registry (60645) |
| Dr. Greenberg Chicago CMS Volume Rank | 83.78th Pct (6,444 CMS svcs; Z -0.106σ) | CMS Medicare Part B (IL Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chicago, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 17 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.88/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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