Dr. Walter Kerwin, MD
1775 Thompson Rd, Coos Bay, OR 97420 • +1-616-555-6300
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Coos Bay Percentiles
NPI #1457397556 • CBSA Regional • Cardiology
Dr. Walter Kerwin, MD (NPI #1457397556) practices Cardiology in Coos Bay, OR (97420) with sub-specialty concentration in 62 Active CMS HCPCS Codes, recording 709 annual CMS services across 168 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th Coos Bay percentile) (-1.16σ vs OR state mean, 3.91th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Kerwin (averaging 4.2 services per beneficiary), 99214 (Established Cardiology Consultation & Hemodynamic Review) represents 38% of tracked volume (269 encounters), paired with 93000 (199x).
Cash-pay intake data for NPI 1457397556 (1775 Thompson Rd, Coos Bay) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 14-minute average reception wait and 4.89/5 biomarker openness.
Clinical background for Dr. Kerwin (MD, NPI #1457397556) includes accredited doctoral training (2002, 24 yrs in practice) and virtual + in-office availability across OR.
Compared against Coos Bay, OR Cardiology peers
709 annual services across 168 beneficiaries
Standard deviations from OR 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 | 269 | 12th | $186 – $254 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 199 | 12th | $73 – $100 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 128 | 12th | $347 – $475 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 71 | 12th | $218 – $299 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 43 | 12th | $266 – $365 |
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Dr. Walter Kerwin, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kerwin National Provider Identifier | NPI #1457397556 (MD) | CMS NPPES Registry (97420) |
| Dr. Kerwin Coos Bay CMS Volume Rank | 0.00th Pct (709 CMS svcs; Z -1.160σ) | CMS Medicare Part B (OR Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Coos Bay, OR) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.89/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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