Dr. John Williams, MD
1450 Dowell Springs Blvd, Suite 300, Knoxville, TN 37909 • +1-214-555-3928
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Knoxville Percentiles
NPI #1982605598 • CBSA Regional • Endocrinology
Statistical peer benchmarking across TN Endocrinology providers positions Dr. John Williams, MD in Knoxville at +0.27σ (77.78th city percentile / 81.54th state percentile, 332 Medicare beneficiaries), with clinical focus spanning 62 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. John Williams (37909) place 99214 at the top of the practice ledger (1183 yearly units, 77.78th metro rank), rounded out by 95251 and 76536.
Uninsured and high-deductible cash patients visiting Dr. John Williams in Knoxville (37909) face an estimated $201.00 initial evaluation fee at 1450 Dowell Springs Blvd, Suite 300 (hybrid in-clinic and telehealth video consults; 22-minute average reception wait; bedside manner 4.82/5 from 10 verified reports).
Spanning 24 years of clinical practice following 2002 graduation from medical training, Dr. John Williams integrates 62 Active CMS HCPCS Codes diagnostics for Knoxville metro patients.
Compared against Knoxville, TN Endocrinology peers
8,157 annual services across 332 beneficiaries
Standard deviations from TN 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 | 1,183 | 77.78th | $44 – $60 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 592 | 79.78th | $27 – $42 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 430 | 79.78th | $53 – $72 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 323 | 72.78th | $60 – $82 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 161 | 74.78th | $67 – $92 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (62 HCPCS billing breadth) | 5,468 | 77.78th | $45 – $65 |
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Dr. John Williams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williams National Provider Identifier | NPI #1982605598 (MD) | CMS NPPES Registry (37909) |
| Dr. Williams Knoxville CMS Volume Rank | 77.78th Pct (8,157 CMS svcs; Z +0.265σ) | CMS Medicare Part B (TN Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $201.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Knoxville, TN) |
| Waiting-Room Wait Time & Cash Friendliness | $201.00 avg paid • 22 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.82/5 Listening • 4.56/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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