Dr. Michael Underhill, DO
13400 E Shea Blvd, Scottsdale, AZ 85259 • +1-879-555-9489
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Scottsdale Percentiles
NPI #1043294606 • CBSA 38060 • Family Practice
Dr. Michael Underhill, DO (NPI #1043294606) practices Family Practice in Scottsdale, AZ (85259) with sub-specialty concentration in 30 Active CMS HCPCS Codes, recording 764 annual CMS services across 253 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (10.78th Scottsdale percentile) (-0.21σ vs AZ state mean, 9.78th statewide percentile).
Procedural volume for Dr. Underhill is led by HCPCS 99214 (Comprehensive Primary Care & Chronic Protocol Management — 289 annual services, $118–$162 GPCI cash estimate), followed by CPT 99213 (Focused Acute & Preventive Primary Care Evaluation, 213/yr) and CPT G0439 (Annual Wellness Biomarker & Preventive Screening Visit, 82/yr).
Self-pay new patient consultations with Dr. Underhill (CPT 99204 GPCI-adjusted benchmark) estimate around $210.00 (community reported average: $210.00) with in-person clinic visits only, 21-minute average reception wait, and a 4.80/5 modern protocol openness score across 9 patient logs.
Spanning 10 years of clinical practice following 2016 graduation from medical training, Dr. Michael Underhill integrates 30 Active CMS HCPCS Codes diagnostics for Scottsdale metro patients.
Compared against Scottsdale, AZ Family Practice peers
764 annual services across 253 beneficiaries
Standard deviations from AZ Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 289 | 12th | $118 – $162 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 213 | 12th | $91 – $124 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 82 | 12th | $136 – $186 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 62 | 12th | $26 – $41 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 41 | 15.78th | $162 – $223 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (30 HCPCS billing breadth) | 77 | 10.78th | $107 – $155 |
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Dr. Michael Underhill, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Underhill National Provider Identifier | NPI #1043294606 (DO) | CMS NPPES Registry (85259) |
| Dr. Underhill Scottsdale CMS Volume Rank | 10.78th Pct (764 CMS svcs; Z -0.210σ) | CMS Medicare Part B (AZ Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $210.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Scottsdale, AZ) |
| Waiting-Room Wait Time & Cash Friendliness | $210.00 avg paid • 21 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.82/5 Listening • 4.80/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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