Dr. Rebecca Warkol, MD
8 W End Ave, Old Greenwich, CT 06870 • +1-481-555-7590
Medical Education: Accredited U.S. Medical School (Class of 2012)
What This Doctor Actually Performs: CMS Medicare Utilization & Old Greenwich Percentiles
NPI #1184820110 • CBSA Regional • Internal Medicine
Operating out of Old Greenwich, CT (8 W End Ave), Internal Medicine clinician Dr. Rebecca Warkol, MD (accredited MD/DO training, 2012) maintains a focused low-volume boutique caseload (16.67th Old Greenwich percentile) (56.58th CT percentile; Z-score -0.13σ across 1,170 documented services) with sub-specialty concentration in 22 Active CMS HCPCS Codes.
Dr. Warkol's longitudinal care intensity (6.8 billed units per patient across 171 individuals) centers on 99214 (500 annual units) and 99213 ($82–$112 cash range).
Self-pay new patient consultations with Dr. Warkol (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 18-minute average reception wait, and a 4.54/5 modern protocol openness score across 26 patient logs.
Credentialed as an MD specialist with 14 years post-graduation experience since completing medical school at an LCME/COCA institution (2012), Dr. Warkol coordinates 22 Active CMS HCPCS Codes workups from 8 W End Ave (+1-481-555-7590).
Compared against Old Greenwich, CT Internal Medicine peers
1,170 annual services across 171 beneficiaries
Standard deviations from CT Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 500 | 16.67th | $107 – $146 |
| 99213 | Established Preventive & Chronic Care Visit | 289 | 18.67th | $82 – $112 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 145 | 13.67th | $39 – $54 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 111 | 15.67th | $125 – $172 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 67 | 16.67th | $148 – $203 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (22 HCPCS billing breadth) | 58 | 16.67th | $96 – $139 |
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Dr. Rebecca Warkol, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Warkol National Provider Identifier | NPI #1184820110 (MD) | CMS NPPES Registry (06870) |
| Dr. Warkol Old Greenwich CMS Volume Rank | 16.67th Pct (1,170 CMS svcs; Z -0.133σ) | CMS Medicare Part B (CT Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Old Greenwich, CT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 18 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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