Dr. Kenneth Vandyke, DO
4439 State Route 159, Suite 150, Chillicothe, OH 45601 • +1-407-555-3876
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Chillicothe Percentiles
NPI #1891008454 • CBSA Regional • Rheumatology
Operating out of Chillicothe, OH (4439 State Route 159, Suite 150), Rheumatology clinician Dr. Kenneth Vandyke, DO (accredited MD/DO training, 2007) maintains a top-decile high-throughput specialist (99th percentile in Chillicothe) (20.87th OH percentile; Z-score -0.57σ across 1,117 documented services) with sub-specialty concentration in 11 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1891008454 highlights 514 annual claims for 99214 (99th Chillicothe percentile; $99–$135 self-pay corridor) plus 235 encounters under 20610 and 168 under 96413.
Direct cash-pay transparency modeling sets Dr. Vandyke's baseline new-consult rate near $209.00 in Chillicothe, OH (cash-pay accepted, in-person clinic visits only, 18-minute average reception wait).
From 4439 State Route 159, Suite 150 in Chillicothe (+1-407-555-3876), Dr. Vandyke, DO (19-year clinical track record) delivers 11 Active CMS HCPCS Codes care.
Top 10% Rheumatology volume leader in Chillicothe, OH
1,117 annual services across 268 beneficiaries
Standard deviations from OH Rheumatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Autoimmune Arthritis & Biologic/DMARD Safety Evaluation | 514 | 99th | $99 – $135 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 235 | 94th | $78 – $107 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 168 | 99.5th | $136 – $186 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 112 | 99.5th | $103 – $141 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 89 | 99.5th | $136 – $186 |
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Dr. Kenneth Vandyke, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Vandyke National Provider Identifier | NPI #1891008454 (DO) | CMS NPPES Registry (45601) |
| Dr. Vandyke Chillicothe CMS Volume Rank | 99.00th Pct (1,117 CMS svcs; Z -0.571σ) | CMS Medicare Part B (OH Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chillicothe, OH) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 18 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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