Dr. David Byun, MD
80 Seymour St, Hartford, CT 06106 • +1-845-555-2849
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Hartford Percentiles
NPI #1619409802 • CBSA Regional • Radiation Oncology
Statistical peer benchmarking across CT Radiation Oncology providers positions Dr. David Byun, MD in Hartford at -1.42σ (0th city percentile / 4.17th state percentile, 122 Medicare beneficiaries), with clinical focus spanning 24 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1619409802 highlights 316 annual claims for 99214 (12th Hartford percentile; $170–$233 self-pay corridor) plus 183 encounters under 99213 and 91 under 93000.
Direct cash-pay transparency modeling sets Dr. Byun's baseline new-consult rate near $209.00 in Hartford, CT (cash-pay accepted, hybrid in-clinic and telehealth video consults, 16-minute average reception wait).
Patients evaluating Dr. David Byun in ZIP 06106 note 12 years of post-doctoral tenure (null, 2014) alongside 5.8 annual CMS procedures per patient.
Compared against Hartford, CT Radiation Oncology peers
702 annual services across 122 beneficiaries
Standard deviations from CT Radiation Oncology 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 | 316 | 12th | $170 – $233 |
| 99213 | Established Preventive & Chronic Care Visit | 183 | 12th | $130 – $179 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 91 | 12th | $62 – $85 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 70 | 12th | $200 – $274 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 42 | 12th | $237 – $325 |
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Dr. David Byun, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Byun National Provider Identifier | NPI #1619409802 (MD) | CMS NPPES Registry (06106) |
| Dr. Byun Hartford CMS Volume Rank | 0.00th Pct (702 CMS svcs; Z -1.415σ) | CMS Medicare Part B (CT Radiation Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Hartford, CT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.75/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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