Dr. Charles Mcmahon, MD
4321 Washington St Ste 5600, Kansas City, MO 64111 • +1-468-555-4273
Medical Education: Accredited U.S. Medical School (Class of 2017)
What This Doctor Actually Performs: CMS Medicare Utilization & Kansas City Percentiles
NPI #1861768053 • CBSA Regional • Gastroenterology
Within the Kansas City, MO (CBSA local) Gastroenterology cohort, Dr. Charles Mcmahon, MD with sub-specialty concentration in 49 Active CMS HCPCS Codes ranks at the 80.95th municipal percentile and 94.89th MO percentile (+2.11σ Z-score) based on 25,644 billed procedures for 448 patients.
Medicare Part B line-item claims for Dr. Charles Mcmahon (64111) place 99214 at the top of the practice ledger (300 yearly units, 80.95th metro rank), rounded out by 45380 and 43239.
Cash-pay intake data for NPI 1861768053 (4321 Washington St Ste 5600, Kansas City) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 17-minute average reception wait and 4.70/5 biomarker openness.
Clinical background for Dr. Mcmahon (MD, NPI #1861768053) includes accredited doctoral training (2017, 9 yrs in practice) and virtual + in-office availability across MO.
Compared against Kansas City, MO Gastroenterology peers
25,644 annual services across 448 beneficiaries
Standard deviations from MO Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 300 | 80.95th | $42 – $57 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 203 | 85.95th | $100 – $137 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 171 | 83.95th | $83 – $114 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 81 | 83.95th | $112 – $153 |
| 99204 | New Patient Digestive & Hepatology Consultation | 57 | 85.95th | $59 – $80 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (49 HCPCS billing breadth) | 24,832 | 80.95th | $45 – $65 |
Are you Dr. Charles Mcmahon? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Kansas City, MO:
<a href="https://dotmd.com/doctors/charles-mcmahon-md-kansas-city-mo-1861768053" title="Dr. Charles Mcmahon, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1861768053.svg" alt="Dr. Charles Mcmahon Gastroenterology Badge" width="280" height="72" /></a>
Dr. Charles Mcmahon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mcmahon National Provider Identifier | NPI #1861768053 (MD) | CMS NPPES Registry (64111) |
| Dr. Mcmahon Kansas City CMS Volume Rank | 80.95th Pct (25,644 CMS svcs; Z +2.107σ) | CMS Medicare Part B (MO Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Kansas City, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.70/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Charles Mcmahon
Other High-Volume Gastroenterology Specialists in Kansas City, MO
Ranked strictly by CMS Medicare volumeDr. Mcmahon Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Kansas City, MO.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Charles Mcmahon community threads and patient logs by age, biological sex, dosage, and treatment duration.