Dr. John Mahan, MD
1101 26th St S, Great Falls, MT 59405 • +1-648-555-7542
Medical Education: Accredited U.S. Medical School (Class of 2010)
What This Doctor Actually Performs: CMS Medicare Utilization & Great Falls Percentiles
NPI #1346241296 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across MT Internal Medicine providers positions Dr. John Mahan, MD in Great Falls at -0.39σ (28.57th city percentile / 45.45th state percentile, 162 Medicare beneficiaries), with clinical focus spanning 7 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1101 26th St S shows Dr. John Mahan's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 477x/yr, 28.57th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 276x/yr, $115–$157).
Uninsured and high-deductible cash patients visiting Dr. John Mahan in Great Falls (59405) face an estimated $209.00 initial evaluation fee at 1101 26th St S (in-person clinic visits only; 9-minute average reception wait; bedside manner 4.81/5 from 21 verified reports).
Credentialed as an MD specialist with 16 years post-graduation experience since completing medical school at an LCME/COCA institution (2010), Dr. Mahan coordinates 7 Active CMS HCPCS Codes workups from 1101 26th St S (+1-648-555-7542).
Compared against Great Falls, MT Internal Medicine peers
1,060 annual services across 162 beneficiaries
Standard deviations from MT Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 477 | 28.57th | $150 – $205 |
| 99213 | Established Preventive & Chronic Care Visit | 276 | 33.57th | $115 – $157 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 138 | 25.57th | $55 – $75 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 106 | 26.57th | $176 – $241 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 64 | 30.57th | $209 – $286 |
Are you Dr. John Mahan? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Great Falls, MT:
<a href="https://dotmd.com/doctors/john-mahan-md-great-falls-mt-1346241296" title="Dr. John Mahan, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1346241296.svg" alt="Dr. John Mahan Internal Medicine Badge" width="280" height="72" /></a>
Dr. John Mahan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mahan National Provider Identifier | NPI #1346241296 (MD) | CMS NPPES Registry (59405) |
| Dr. Mahan Great Falls CMS Volume Rank | 28.57th Pct (1,060 CMS svcs; Z -0.389σ) | CMS Medicare Part B (MT Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Great Falls, MT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 9 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.81/5 Listening • 4.64/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. John Mahan
Other High-Volume Internal Medicine Specialists in Great Falls, MT
Ranked strictly by CMS Medicare volumeDr. Mahan Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Great Falls, MT.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. John Mahan community threads and patient logs by age, biological sex, dosage, and treatment duration.