Dr. Shannen Allen, MD
15005 Shady Grove Rd., Ste 100, Rockville, MD 20850 • +1-457-555-4427
Medical Education: Accredited U.S. Medical School (Class of 2006)
What This Doctor Actually Performs: CMS Medicare Utilization & Rockville Percentiles
NPI #1407876360 • CBSA Regional • Ophthalmology
Dr. Shannen Allen, MD (NPI #1407876360) practices Ophthalmology in Rockville, MD (20850) with sub-specialty concentration in 13 Active CMS HCPCS Codes, recording 1,835 annual CMS services across 815 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (11.11th Rockville percentile) (-0.11σ vs MD state mean, 20.81th statewide percentile).
Granular CPT/HCPCS billing distribution at 15005 Shady Grove Rd., Ste 100 shows Dr. Shannen Allen's primary concentration in Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam (code 92014: 679x/yr, 12th local percentile) alongside Scanning Computerized Ophthalmic Retinal OCT Imaging (92134: 477x/yr, $88–$120).
Self-pay new patient consultations with Dr. Allen (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 9-minute average reception wait, and a 4.57/5 modern protocol openness score across 11 patient logs.
Clinical background for Dr. Allen (MD, NPI #1407876360) includes accredited doctoral training (2006, 20 yrs in practice) and virtual + in-office availability across MD.
Compared against Rockville, MD Ophthalmology peers
1,835 annual services across 815 beneficiaries
Standard deviations from MD 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 | 679 | 12th | $159 – $219 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 477 | 12th | $88 – $120 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 312 | 14.11th | $105 – $144 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 220 | 12th | $192 – $263 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 147 | 16.11th | $703 – $963 |
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Dr. Shannen Allen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Allen National Provider Identifier | NPI #1407876360 (MD) | CMS NPPES Registry (20850) |
| Dr. Allen Rockville CMS Volume Rank | 11.11th Pct (1,835 CMS svcs; Z -0.111σ) | CMS Medicare Part B (MD Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Rockville, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 9 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.57/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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