Dr. Nathaniel Woodruff, MD
150 Catherine Ln Ste F, Grass Valley, CA 95945 • +1-505-555-9904
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Grass Valley Percentiles
NPI #1275623191 • CBSA Regional • Cardiology
Within the Grass Valley, CA (CBSA local) Cardiology cohort, Dr. Nathaniel Woodruff, MD with sub-specialty concentration in 27 Active CMS HCPCS Codes ranks at the 0th municipal percentile and 2.1th CA percentile (-0.40σ Z-score) based on 738 billed procedures for 308 patients.
Among 5 tracked CMS fee-schedule codes for Dr. Woodruff (averaging 2.4 services per beneficiary), 99214 (Established Cardiology Consultation & Hemodynamic Review) represents 38% of tracked volume (280 encounters), paired with 93000 (207x).
Uninsured and high-deductible cash patients visiting Dr. Nathaniel Woodruff in Grass Valley (95945) face an estimated $239.00 initial evaluation fee at 150 Catherine Ln Ste F (hybrid in-clinic and telehealth video consults; 16-minute average reception wait; bedside manner 4.82/5 from 4 verified reports).
Clinical background for Dr. Woodruff (MD, NPI #1275623191) includes accredited doctoral training (2002, 24 yrs in practice) and virtual + in-office availability across CA.
Compared against Grass Valley, CA Cardiology peers
738 annual services across 308 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 | 280 | 12th | $160 – $220 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 207 | 12th | $63 – $86 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 133 | 12th | $300 – $411 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 74 | 12th | $188 – $258 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 44 | 12th | $230 – $316 |
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Dr. Nathaniel Woodruff, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Woodruff National Provider Identifier | NPI #1275623191 (MD) | CMS NPPES Registry (95945) |
| Dr. Woodruff Grass Valley CMS Volume Rank | 0.00th Pct (738 CMS svcs; Z -0.402σ) | CMS Medicare Part B (CA Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Grass Valley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 16 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.82/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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