Dr. Robert O'hollaren, MD
3525 Loma Vista Rd Ste A, Ventura, CA 93003 • +1-692-555-4326
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Ventura Percentiles
NPI #1801852710 • CBSA Regional • Orthopedic Surgery
Dr. Robert O'hollaren, MD (NPI #1801852710) practices Orthopedic Surgery in Ventura, CA (93003) with sub-specialty concentration in 46 Active CMS HCPCS Codes, recording 5,027 annual CMS services across 122 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (71.43th Ventura percentile) (-0.01σ vs CA state mean, 74.74th statewide percentile).
Procedural volume for Dr. O'hollaren is led by HCPCS 99213 (Focused Orthopedic Joint & Spine Mobility Evaluation — 193 annual services, $40–$55 GPCI cash estimate), followed by CPT 20610 (Major Joint (Knee/Shoulder/Hip) Aspiration or Injection, 144/yr) and CPT 73562 (Radiologic Weight-Bearing 3-View Knee Examination, 102/yr).
Self-pay new patient consultations with Dr. O'hollaren (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with in-person clinic visits only, 16-minute average reception wait, and a 4.82/5 modern protocol openness score across 24 patient logs.
Clinical background for Dr. O'hollaren (MD, NPI #1801852710) includes accredited doctoral training (1998, 28 yrs in practice) and dedicated on-site consultations at 3525 Loma Vista Rd Ste A.
Compared against Ventura, CA Orthopedic Surgery peers
5,027 annual services across 122 beneficiaries
Standard deviations from CA Orthopedic Surgery mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99213 | Focused Orthopedic Joint & Spine Mobility Evaluation | 193 | 71.43th | $40 – $55 |
| 20610 | Major Joint (Knee/Shoulder/Hip) Aspiration or Injection | 144 | 76.43th | $42 – $58 |
| 73562 | Radiologic Weight-Bearing 3-View Knee Examination | 102 | 68.43th | $25 – $40 |
| 99203 | New Patient Musculoskeletal Injury & Surgical Triage | 59 | 69.43th | $57 – $78 |
| 27447 | Total Knee Arthroplasty Joint Reconstruction | 37 | 69.43th | $366 – $502 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (46 HCPCS billing breadth) | 4,492 | 71.43th | $45 – $65 |
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Dr. Robert O'hollaren, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. O'hollaren National Provider Identifier | NPI #1801852710 (MD) | CMS NPPES Registry (93003) |
| Dr. O'hollaren Ventura CMS Volume Rank | 71.43th Pct (5,027 CMS svcs; Z -0.015σ) | CMS Medicare Part B (CA Orthopedic Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ventura, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 16 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.82/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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