Dr. Margaret Greven, MD
Medical Center Blvd Dept of Ophthalmology, Winston Salem, NC 27157 • +1-539-555-7152
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Winston Salem Percentiles
NPI #1821380874 • CBSA Regional • Ophthalmology
Operating out of Winston Salem, NC (Medical Center Blvd Dept of Ophthalmology), Ophthalmology clinician Dr. Margaret Greven, MD (accredited MD/DO training, 2016) maintains a upper-quartile active clinical volume (70.83th Winston Salem percentile) (75.18th NC percentile; Z-score -0.11σ across 5,836 documented services) with sub-specialty concentration in 34 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Margaret Greven (27157) place 92014 at the top of the practice ledger (949 yearly units, 70.83th metro rank), rounded out by 92134 and 92083.
Uninsured and high-deductible cash patients visiting Dr. Margaret Greven in Winston Salem (27157) face an estimated $209.00 initial evaluation fee at Medical Center Blvd Dept of Ophthalmology (in-person clinic visits only; 21-minute average reception wait; bedside manner 4.77/5 from 15 verified reports).
From Medical Center Blvd Dept of Ophthalmology in Winston Salem (+1-539-555-7152), Dr. Greven, MD (10-year clinical track record) delivers 34 Active CMS HCPCS Codes care.
Compared against Winston Salem, NC Ophthalmology peers
5,836 annual services across 484 beneficiaries
Standard deviations from NC 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 | 949 | 70.83th | $120 – $165 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 667 | 71.83th | $66 – $91 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 436 | 70.83th | $80 – $109 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 308 | 67.83th | $145 – $199 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 205 | 66.83th | $531 – $727 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (34 HCPCS billing breadth) | 3,272 | 70.83th | $106 – $154 |
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Dr. Margaret Greven, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Greven National Provider Identifier | NPI #1821380874 (MD) | CMS NPPES Registry (27157) |
| Dr. Greven Winston Salem CMS Volume Rank | 70.83th Pct (5,836 CMS svcs; Z -0.112σ) | CMS Medicare Part B (NC Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Winston Salem, NC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 21 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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