Dr. Johnstuart Guarnieri, MD
333 Mclaws Cir, Suite 3, Williamsburg, VA 23185 • +1-772-555-2608
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Williamsburg Percentiles
NPI #1215025200 • CBSA Regional • Plastic and Reconstructive Surgery
Dr. Johnstuart Guarnieri, MD (NPI #1215025200) practices Plastic and Reconstructive Surgery in Williamsburg, VA (23185) with sub-specialty concentration in 75 Active CMS HCPCS Codes, recording 886 annual CMS services across 168 distinct beneficiaries—placing this practice as a top-decile high-throughput specialist (99th percentile in Williamsburg) (-0.49σ vs VA state mean, 38.89th statewide percentile).
Medicare Part B line-item claims for Dr. Johnstuart Guarnieri (23185) place 99214 at the top of the practice ledger (399 yearly units, 99th metro rank), rounded out by 99213 and 93000.
Direct cash-pay transparency modeling sets Dr. Guarnieri's baseline new-consult rate near $209.00 in Williamsburg, VA (cash-pay accepted, in-person clinic visits only, 13-minute average reception wait).
NPI registry verification (#1215025200) confirms Dr. Johnstuart Guarnieri's MD standing serving CBSA 23185 with a 4.78/5 patient scorecard.
Top 10% Plastic and Reconstructive Surgery volume leader in Williamsburg, VA
886 annual services across 168 beneficiaries
Standard deviations from VA Plastic and Reconstructive Surgery 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 | 399 | 99th | $275 – $377 |
| 99213 | Established Preventive & Chronic Care Visit | 230 | 99.5th | $210 – $288 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 115 | 99.5th | $100 – $138 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 89 | 99.5th | $323 – $442 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 53 | 98th | $383 – $524 |
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Dr. Johnstuart Guarnieri, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Guarnieri National Provider Identifier | NPI #1215025200 (MD) | CMS NPPES Registry (23185) |
| Dr. Guarnieri Williamsburg CMS Volume Rank | 99.00th Pct (886 CMS svcs; Z -0.492σ) | CMS Medicare Part B (VA Plastic and Reconstructive Surgery) |
| 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 • 13 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.88/5 Listening • 4.94/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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