Dr. David Yi, MD
19 Village Sq, Chelmsford, MA 01824 • +1-356-555-7608
Medical Education: Accredited U.S. Medical School (Class of 2006)
What This Doctor Actually Performs: CMS Medicare Utilization & Chelmsford Percentiles
NPI #1003808197 • CBSA Regional • Ophthalmology
Dr. David Yi, MD (NPI #1003808197) practices Ophthalmology in Chelmsford, MA (01824) with sub-specialty concentration in 33 Active CMS HCPCS Codes, recording 3,291 annual CMS services across 1,466 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (33.33th Chelmsford percentile) (-0.27σ vs MA state mean, 58.84th statewide percentile).
Dr. Yi's longitudinal care intensity (2.2 billed units per patient across 1466 individuals) centers on 92014 (1218 annual units) and 92134 ($141–$193 cash range).
Uninsured and high-deductible cash patients visiting Dr. David Yi in Chelmsford (01824) face an estimated $224.00 initial evaluation fee at 19 Village Sq (hybrid in-clinic and telehealth video consults; 17-minute average reception wait; bedside manner 4.56/5 from 11 verified reports).
Clinical background for Dr. Yi (MD, NPI #1003808197) includes accredited doctoral training (2006, 20 yrs in practice) and virtual + in-office availability across MA.
Compared against Chelmsford, MA Ophthalmology peers
3,291 annual services across 1,466 beneficiaries
Standard deviations from MA Ophthalmology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 92014 | Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam | 1,218 | 33.33th | $255 – $350 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 856 | 28.33th | $141 – $193 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 559 | 38.33th | $169 – $231 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 395 | 36.33th | $307 – $421 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 263 | 34.33th | $1126 – $1543 |
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Dr. David Yi, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Yi National Provider Identifier | NPI #1003808197 (MD) | CMS NPPES Registry (01824) |
| Dr. Yi Chelmsford CMS Volume Rank | 33.33th Pct (3,291 CMS svcs; Z -0.272σ) | CMS Medicare Part B (MA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $224.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chelmsford, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $224.00 avg paid • 17 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.56/5 Listening • 4.42/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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