Dr. Kenneth Mahaffey, MD
300 Pasteur DR, Stanford, CA 94305 • +1-710-555-3811
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Stanford Percentiles
NPI #1659455707 • CBSA Regional • Cardiology
Dr. Kenneth Mahaffey, MD (NPI #1659455707) practices Cardiology in Stanford, CA (94305) with sub-specialty concentration in 14 Active CMS HCPCS Codes, recording 966 annual CMS services across 845 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (29.09th Stanford percentile) (-0.38σ vs CA state mean, 7.95th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Mahaffey (averaging 1.1 services per beneficiary), 99214 (Established Cardiology Consultation & Hemodynamic Review) represents 38% of tracked volume (367 encounters), paired with 93000 (270x).
Cash-pay intake data for NPI 1659455707 (300 Pasteur DR, Stanford) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 14-minute average reception wait and 4.63/5 biomarker openness.
Spanning 26 years of clinical practice following 2000 graduation from medical training, Dr. Kenneth Mahaffey integrates 14 Active CMS HCPCS Codes diagnostics for Stanford metro patients.
Compared against Stanford, CA Cardiology peers
966 annual services across 845 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 | 367 | 29.09th | $50 – $68 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 270 | 29.09th | $25 – $40 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 174 | 32.09th | $93 – $127 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 97 | 31.09th | $58 – $80 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 58 | 32.09th | $71 – $97 |
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Dr. Kenneth Mahaffey, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mahaffey National Provider Identifier | NPI #1659455707 (MD) | CMS NPPES Registry (94305) |
| Dr. Mahaffey Stanford CMS Volume Rank | 29.09th Pct (966 CMS svcs; Z -0.384σ) | CMS Medicare Part B (CA Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Stanford, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 14 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.76/5 Listening • 4.63/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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