Dr. Vivienne Yumasi, MD
41 Highland Ave, Winchester, MA 01890 • +1-273-555-6199
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Winchester Percentiles
NPI #1528242203 • CBSA Regional • Internal Medicine
Anchored in Winchester, MA 01890, Dr. Vivienne Yumasi, MD (NPI 1528242203) logged 870 annual procedures (focused low-volume boutique caseload (0th Winchester percentile), 22.73th MA percentile, -0.28σ) with sub-specialty concentration in 11 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Yumasi (averaging 2.5 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (392 encounters), paired with 99213 (226x).
Uninsured and high-deductible cash patients visiting Dr. Vivienne Yumasi in Winchester (01890) face an estimated $224.00 initial evaluation fee at 41 Highland Ave (in-person clinic visits only; 12-minute average reception wait; bedside manner 4.86/5 from 18 verified reports).
From 41 Highland Ave in Winchester (+1-273-555-6199), Dr. Yumasi, MD (28-year clinical track record) delivers 11 Active CMS HCPCS Codes care.
Compared against Winchester, MA Internal Medicine peers
870 annual services across 355 beneficiaries
Standard deviations from MA 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 | 392 | 12th | $229 – $314 |
| 99213 | Established Preventive & Chronic Care Visit | 226 | 12th | $175 – $240 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 113 | 12th | $84 – $115 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 87 | 12th | $269 – $368 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 52 | 12th | $319 – $437 |
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Dr. Vivienne Yumasi, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Yumasi National Provider Identifier | NPI #1528242203 (MD) | CMS NPPES Registry (01890) |
| Dr. Yumasi Winchester CMS Volume Rank | 0.00th Pct (870 CMS svcs; Z -0.279σ) | CMS Medicare Part B (MA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $224.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Winchester, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $224.00 avg paid • 12 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.66/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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