Dr. Michael Gambill, DO
400 Sentara Cir Ste 320, Williamsburg, VA 23188 • +1-625-555-9228
Medical Education: Accredited U.S. Medical School (Class of 2010)
What This Doctor Actually Performs: CMS Medicare Utilization & Williamsburg Percentiles
NPI #1679769202 • CBSA Regional • Cardiology
Operating out of Williamsburg, VA (400 Sentara Cir Ste 320), Cardiology clinician Dr. Michael Gambill, DO (accredited MD/DO training, 2010) maintains a focused low-volume boutique caseload (16.67th Williamsburg percentile) (50.26th VA percentile; Z-score -0.18σ across 3,321 documented services) with sub-specialty concentration in 55 Active CMS HCPCS Codes.
Dr. Gambill's longitudinal care intensity (1.9 billed units per patient across 1706 individuals) centers on 99214 (1262 annual units) and 93000 ($37–$52 cash range).
Uninsured and high-deductible cash patients visiting Dr. Michael Gambill in Williamsburg (23188) face an estimated $209.00 initial evaluation fee at 400 Sentara Cir Ste 320 (in-person clinic visits only; 15-minute average reception wait; bedside manner 4.92/5 from 15 verified reports).
Patients evaluating Dr. Michael Gambill in ZIP 23188 note 16 years of post-doctoral tenure (null, 2010) alongside 1.9 annual CMS procedures per patient.
Compared against Williamsburg, VA Cardiology peers
3,321 annual services across 1,706 beneficiaries
Standard deviations from VA Cardiology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Cardiology Consultation & Hemodynamic Review | 1,262 | 16.67th | $95 – $130 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 930 | 19.67th | $37 – $52 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 598 | 14.67th | $177 – $243 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 332 | 16.67th | $111 – $152 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 199 | 13.67th | $136 – $186 |
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Dr. Michael Gambill, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gambill National Provider Identifier | NPI #1679769202 (DO) | CMS NPPES Registry (23188) |
| Dr. Gambill Williamsburg CMS Volume Rank | 16.67th Pct (3,321 CMS svcs; Z -0.179σ) | CMS Medicare Part B (VA Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Williamsburg, VA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.92/5 Listening • 4.45/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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