Dr. Marcus Mayus, MD
81 Holly Hill Ln Fl 3, Greenwich, CT 06830 • +1-954-555-5689
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Greenwich Percentiles
NPI #1073734935 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Marcus Mayus (MD, NPI 1073734935) at 81 Holly Hill Ln Fl 3 in Greenwich with 11,576 annual clinical services (1,213 beneficiaries), corresponding to a +2.27σ regional deviation and top-decile high-throughput specialist (93.75th percentile in Greenwich) with sub-specialty concentration in 50 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1073734935 highlights 5051 annual claims for 99214 (93.75th Greenwich percentile; $131–$180 self-pay corridor) plus 2918 encounters under 99213 and 1459 under 93000.
Uninsured and high-deductible cash patients visiting Dr. Marcus Mayus in Greenwich (06830) face an estimated $209.00 initial evaluation fee at 81 Holly Hill Ln Fl 3 (hybrid in-clinic and telehealth video consults; 20-minute average reception wait; bedside manner 4.87/5 from 26 verified reports).
From 81 Holly Hill Ln Fl 3 in Greenwich (+1-954-555-5689), Dr. Mayus, MD (29-year clinical track record) delivers 50 Active CMS HCPCS Codes care.
Top 10% Internal Medicine volume leader in Greenwich, CT
11,576 annual services across 1,213 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 | 5,051 | 93.75th | $131 – $180 |
| 99213 | Established Preventive & Chronic Care Visit | 2,918 | 90.75th | $101 – $138 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 1,459 | 96.75th | $48 – $66 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 1,122 | 95.75th | $154 – $211 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 673 | 90.75th | $183 – $250 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (50 HCPCS billing breadth) | 352 | 93.75th | $118 – $171 |
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Dr. Marcus Mayus, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mayus National Provider Identifier | NPI #1073734935 (MD) | CMS NPPES Registry (06830) |
| Dr. Mayus Greenwich CMS Volume Rank | 93.75th Pct (11,576 CMS svcs; Z +2.272σ) | CMS Medicare Part B (CT Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Greenwich, CT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.58/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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