Dr. Michael Dersam, MD
500 W. Thomas Road, Suite 850, Phoenix, AZ 85013 • +1-535-555-8529
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Phoenix Percentiles
NPI #1477539302 • CBSA 38060 • Orthopedic Surgery
Dr. Michael Dersam, MD (NPI #1477539302) practices Orthopedic Surgery in Phoenix, AZ (85013) with sub-specialty concentration in 58 Active CMS HCPCS Codes, recording 3,529 annual CMS services across 215 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (70.45th Phoenix percentile) (-0.18σ vs AZ state mean, 63.3th statewide percentile).
Procedural volume for Dr. Dersam is led by HCPCS 99213 (Focused Orthopedic Joint & Spine Mobility Evaluation — 190 annual services, $47–$65 GPCI cash estimate), followed by CPT 20610 (Major Joint (Knee/Shoulder/Hip) Aspiration or Injection, 142/yr) and CPT 73562 (Radiologic Weight-Bearing 3-View Knee Examination, 100/yr).
For out-of-network patients contacting +1-535-555-8529, Dr. Dersam's practice posts a $207.00 GPCI self-pay consult estimate ($207.00 patient-logged median, 4.77/5 composite reality score over 8 submissions).
Spanning 32 years of clinical practice following 1994 graduation from medical training, Dr. Michael Dersam integrates 58 Active CMS HCPCS Codes diagnostics for Phoenix metro patients.
Compared against Phoenix, AZ Orthopedic Surgery peers
3,529 annual services across 215 beneficiaries
Standard deviations from AZ 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 | 190 | 70.45th | $47 – $65 |
| 20610 | Major Joint (Knee/Shoulder/Hip) Aspiration or Injection | 142 | 68.45th | $50 – $69 |
| 73562 | Radiologic Weight-Bearing 3-View Knee Examination | 100 | 73.45th | $28 – $43 |
| 99203 | New Patient Musculoskeletal Injury & Surgical Triage | 58 | 74.45th | $68 – $93 |
| 27447 | Total Knee Arthroplasty Joint Reconstruction | 37 | 73.45th | $438 – $600 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (58 HCPCS billing breadth) | 3,002 | 70.45th | $53 – $77 |
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Dr. Michael Dersam, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Dersam National Provider Identifier | NPI #1477539302 (MD) | CMS NPPES Registry (85013) |
| Dr. Dersam Phoenix CMS Volume Rank | 70.45th Pct (3,529 CMS svcs; Z -0.185σ) | CMS Medicare Part B (AZ Orthopedic Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $207.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Phoenix, AZ) |
| Waiting-Room Wait Time & Cash Friendliness | $207.00 avg paid • 22 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.91/5 Listening • 4.63/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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