Dr. Karen Knudsen, MD
5424 Discovery Park Boulevard, Bldg B Ste 201, Williamsburg, VA 23188 • +1-625-555-6025
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Williamsburg Percentiles
NPI #1659574309 • CBSA Regional • Endocrinology
Anchored in Williamsburg, VA 23188, Dr. Karen Knudsen, MD (NPI 1659574309) logged 4,552 annual procedures (upper-quartile active clinical volume (66.67th Williamsburg percentile), 76.85th VA percentile, +0.10σ) with sub-specialty concentration in 51 Active CMS HCPCS Codes.
Procedural volume for Dr. Knudsen is led by HCPCS 99214 (Complex Endocrine, Thyroid & Metabolic Biomarker Management — 2003 annual services, $75–$103 GPCI cash estimate), followed by CPT 95251 (Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis, 1001/yr) and CPT 76536 (High-Resolution Thyroid & Parathyroid Neck Ultrasound, 728/yr).
Uninsured and high-deductible cash patients visiting Dr. Karen Knudsen in Williamsburg (23188) face an estimated $209.00 initial evaluation fee at 5424 Discovery Park Boulevard, Bldg B Ste 201 (hybrid in-clinic and telehealth video consults; 10-minute average reception wait; bedside manner 4.90/5 from 20 verified reports).
Spanning 23 years of clinical practice following 2003 graduation from medical training, Dr. Karen Knudsen integrates 51 Active CMS HCPCS Codes diagnostics for Williamsburg metro patients.
Compared against Williamsburg, VA Endocrinology peers
4,552 annual services across 706 beneficiaries
Standard deviations from VA Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 2,003 | 66.67th | $75 – $103 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 1,001 | 71.67th | $47 – $65 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 728 | 61.67th | $91 – $125 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 546 | 61.67th | $104 – $142 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 273 | 61.67th | $116 – $159 |
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Dr. Karen Knudsen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Knudsen National Provider Identifier | NPI #1659574309 (MD) | CMS NPPES Registry (23188) |
| Dr. Knudsen Williamsburg CMS Volume Rank | 66.67th Pct (4,552 CMS svcs; Z +0.105σ) | CMS Medicare Part B (VA Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Williamsburg, VA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.90/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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