Dr. John Hamilton, MD
421 E Merle Hibbs Blvd, Marshalltown, IA 50158 • +1-263-555-8827
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Marshalltown Percentiles
NPI #1982720231 • CBSA Regional • Orthopedic Surgery
CMS Medicare Part B utilization records credit Dr. John Hamilton (MD, NPI 1982720231) at 421 E Merle Hibbs Blvd in Marshalltown with 2,511 annual clinical services (395 beneficiaries), corresponding to a -0.30σ regional deviation and focused low-volume boutique caseload (0th Marshalltown percentile) with sub-specialty concentration in 72 Active CMS HCPCS Codes.
Dr. Hamilton's longitudinal care intensity (6.4 billed units per patient across 395 individuals) centers on 99213 (374 annual units) and 20610 ($101–$138 cash range).
For out-of-network patients contacting +1-263-555-8827, Dr. Hamilton's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.54/5 composite reality score over 17 submissions).
Patients evaluating Dr. John Hamilton in ZIP 50158 note 32 years of post-doctoral tenure (null, 1994) alongside 6.4 annual CMS procedures per patient.
Compared against Marshalltown, IA Orthopedic Surgery peers
2,511 annual services across 395 beneficiaries
Standard deviations from IA 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 | 374 | 12th | $95 – $130 |
| 20610 | Major Joint (Knee/Shoulder/Hip) Aspiration or Injection | 280 | 12th | $101 – $138 |
| 73562 | Radiologic Weight-Bearing 3-View Knee Examination | 197 | 12th | $57 – $78 |
| 99203 | New Patient Musculoskeletal Injury & Surgical Triage | 114 | 12th | $136 – $186 |
| 27447 | Total Knee Arthroplasty Joint Reconstruction | 73 | 12th | $874 – $1198 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (72 HCPCS billing breadth) | 1,473 | 0th | $107 – $155 |
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Dr. John Hamilton, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hamilton National Provider Identifier | NPI #1982720231 (MD) | CMS NPPES Registry (50158) |
| Dr. Hamilton Marshalltown CMS Volume Rank | 0.00th Pct (2,511 CMS svcs; Z -0.300σ) | CMS Medicare Part B (IA Orthopedic Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Marshalltown, IA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 13 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.95/5 Listening • 4.61/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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