Dr. Marilyn Kosier, MD
1520 Sheridan DR, Lancaster, OH 43130 • +1-223-555-9598
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Lancaster Percentiles
NPI #1710169974 • CBSA Regional • Ophthalmology
Dr. Marilyn Kosier, MD (NPI #1710169974) practices Ophthalmology in Lancaster, OH (43130) with sub-specialty concentration in 42 Active CMS HCPCS Codes, recording 1,588 annual CMS services across 569 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (50th Lancaster percentile) (-0.41σ vs OH state mean, 34.27th statewide percentile).
Procedural volume for Dr. Kosier is led by HCPCS 92014 (Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam — 588 annual services, $157–$215 GPCI cash estimate), followed by CPT 92134 (Scanning Computerized Ophthalmic Retinal OCT Imaging, 413/yr) and CPT 92083 (Extended Threshold Visual Field Glaucoma Perimetry, 270/yr).
Cash-pay intake data for NPI 1710169974 (1520 Sheridan DR, Lancaster) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 12-minute average reception wait and 4.83/5 biomarker openness.
From 1520 Sheridan DR in Lancaster (+1-223-555-9598), Dr. Kosier, MD (10-year clinical track record) delivers 42 Active CMS HCPCS Codes care.
Compared against Lancaster, OH Ophthalmology peers
1,588 annual services across 569 beneficiaries
Standard deviations from OH 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 | 588 | 50th | $157 – $215 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 413 | 49th | $86 – $118 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 270 | 51th | $104 – $142 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 191 | 50th | $189 – $259 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 127 | 48th | $691 – $947 |
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Dr. Marilyn Kosier, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kosier National Provider Identifier | NPI #1710169974 (MD) | CMS NPPES Registry (43130) |
| Dr. Kosier Lancaster CMS Volume Rank | 50.00th Pct (1,588 CMS svcs; Z -0.407σ) | CMS Medicare Part B (OH Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Lancaster, OH) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.83/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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