Dr. Marilu O'byrne, MD
1580 W Causeway Approach, Suite 3, Mandeville, LA 70471 • +1-796-555-7718
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Mandeville Percentiles
NPI #1083772453 • CBSA Regional • Ophthalmology
CMS Medicare Part B utilization records credit Dr. Marilu O'byrne (MD, NPI 1083772453) at 1580 W Causeway Approach, Suite 3 in Mandeville with 3,091 annual clinical services (1,015 beneficiaries), corresponding to a -0.24σ regional deviation and mid-cohort balanced caseload (50th Mandeville percentile) with sub-specialty concentration in 40 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1580 W Causeway Approach, Suite 3 shows Dr. Marilu O'byrne's primary concentration in Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam (code 92014: 1144x/yr, 50th local percentile) alongside Scanning Computerized Ophthalmic Retinal OCT Imaging (92134: 804x/yr, $90–$123).
Self-pay new patient consultations with Dr. O'byrne (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 20-minute average reception wait, and a 4.58/5 modern protocol openness score across 22 patient logs.
NPI registry verification (#1083772453) confirms Dr. Marilu O'byrne's MD standing serving CBSA 70471 with a 4.75/5 patient scorecard.
Compared against Mandeville, LA Ophthalmology peers
3,091 annual services across 1,015 beneficiaries
Standard deviations from LA 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 | 1,144 | 50th | $163 – $223 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 804 | 52th | $90 – $123 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 525 | 45th | $108 – $148 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 371 | 55th | $196 – $269 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 247 | 46th | $718 – $984 |
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Dr. Marilu O'byrne, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. O'byrne National Provider Identifier | NPI #1083772453 (MD) | CMS NPPES Registry (70471) |
| Dr. O'byrne Mandeville CMS Volume Rank | 50.00th Pct (3,091 CMS svcs; Z -0.242σ) | CMS Medicare Part B (LA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Mandeville, LA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 22 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.58/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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