Dr. Donald Mahon, MD
1140 W LA Veta Ave Ste 430, Orange, CA 92868 • +1-733-555-4031
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Orange Percentiles
NPI #1255335659 • CBSA Regional • Cardiology
CMS Medicare Part B utilization records credit Dr. Donald Mahon (MD, NPI 1255335659) at 1140 W LA Veta Ave Ste 430 in Orange with 1,095 annual clinical services (512 beneficiaries), corresponding to a -0.37σ regional deviation and focused low-volume boutique caseload (8.33th Orange percentile) with sub-specialty concentration in 54 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Donald Mahon (92868) place 99214 at the top of the practice ledger (416 yearly units, 12th metro rank), rounded out by 93000 and 93306.
Uninsured and high-deductible cash patients visiting Dr. Donald Mahon in Orange (92868) face an estimated $239.00 initial evaluation fee at 1140 W LA Veta Ave Ste 430 (hybrid in-clinic and telehealth video consults; 18-minute average reception wait; bedside manner 4.63/5 from 20 verified reports).
Spanning 23 years of clinical practice following 2003 graduation from medical training, Dr. Donald Mahon integrates 54 Active CMS HCPCS Codes diagnostics for Orange metro patients.
Compared against Orange, CA Cardiology peers
1,095 annual services across 512 beneficiaries
Standard deviations from CA Cardiology 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 Cardiology Consultation & Hemodynamic Review | 416 | 12th | $177 – $243 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 307 | 12th | $69 – $95 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 197 | 12th | $332 – $455 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 110 | 12.33th | $208 – $285 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 66 | 13.33th | $255 – $349 |
Are you Dr. Donald Mahon? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Orange, CA:
<a href="https://dotmd.com/doctors/donald-mahon-md-orange-ca-1255335659" title="Dr. Donald Mahon, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1255335659.svg" alt="Dr. Donald Mahon Cardiology Badge" width="280" height="72" /></a>
Dr. Donald Mahon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mahon National Provider Identifier | NPI #1255335659 (MD) | CMS NPPES Registry (92868) |
| Dr. Mahon Orange CMS Volume Rank | 8.33th Pct (1,095 CMS svcs; Z -0.374σ) | CMS Medicare Part B (CA Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Orange, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.63/5 Listening • 4.62/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Donald Mahon
Other High-Volume Cardiology Specialists in Orange, CA
Ranked strictly by CMS Medicare volumeDr. Mahon Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Orange, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Donald Mahon community threads and patient logs by age, biological sex, dosage, and treatment duration.