Dr. Erin Duffy, MD
101 Nicolls Rd, Stony Brook, NY 11794 • +1-680-555-5563
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Stony Brook Percentiles
NPI #1497215669 • CBSA Regional • Emergency Medicine
Within the Stony Brook, NY (CBSA local) Emergency Medicine cohort, Dr. Erin Duffy, MD with sub-specialty concentration in 34 Active CMS HCPCS Codes ranks at the 79.41th municipal percentile and 69.52th NY percentile (-0.10σ Z-score) based on 1,053 billed procedures for 846 patients.
Fee-schedule auditing of NPI 1497215669 highlights 474 annual claims for 99214 (79.41th Stony Brook percentile; $275–$376 self-pay corridor) plus 274 encounters under 99213 and 137 under 93000.
Self-pay new patient consultations with Dr. Duffy (CPT 99204 GPCI-adjusted benchmark) estimate around $232.00 (community reported average: $232.00) with hybrid in-clinic and telehealth video consults, 11-minute average reception wait, and a 4.52/5 modern protocol openness score across 11 patient logs.
Spanning 17 years of clinical practice following 2009 graduation from medical training, Dr. Erin Duffy integrates 34 Active CMS HCPCS Codes diagnostics for Stony Brook metro patients.
Compared against Stony Brook, NY Emergency Medicine peers
1,053 annual services across 846 beneficiaries
Standard deviations from NY Emergency 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 | 474 | 79.41th | $275 – $376 |
| 99213 | Established Preventive & Chronic Care Visit | 274 | 77.41th | $210 – $288 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 137 | 82.41th | $100 – $137 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 105 | 84.41th | $322 – $442 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 63 | 81.41th | $382 – $524 |
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Dr. Erin Duffy, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Duffy National Provider Identifier | NPI #1497215669 (MD) | CMS NPPES Registry (11794) |
| Dr. Duffy Stony Brook CMS Volume Rank | 79.41th Pct (1,053 CMS svcs; Z -0.101σ) | CMS Medicare Part B (NY Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Stony Brook, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 11 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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