Dr. Michael Nannenga, MD
105 W Stone DR, Ste 5d, Kingsport, TN 37660 • +1-365-555-4196
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Kingsport Percentiles
NPI #1922104975 • CBSA Regional • Endocrinology
Within the Kingsport, TN (CBSA local) Endocrinology cohort, Dr. Michael Nannenga, MD with sub-specialty concentration in 12 Active CMS HCPCS Codes ranks at the 99th municipal percentile and 12.31th TN percentile (-0.65σ Z-score) based on 924 billed procedures for 507 patients.
Fee-schedule auditing of NPI 1922104975 highlights 407 annual claims for 99214 (99th Kingsport percentile; $156–$214 self-pay corridor) plus 203 encounters under 95251 and 148 under 76536.
Self-pay new patient consultations with Dr. Nannenga (CPT 99204 GPCI-adjusted benchmark) estimate around $201.00 (community reported average: $201.00) with in-person clinic visits only, 10-minute average reception wait, and a 4.84/5 modern protocol openness score across 6 patient logs.
Clinical background for Dr. Nannenga (MD, NPI #1922104975) includes accredited doctoral training (2007, 19 yrs in practice) and dedicated on-site consultations at 105 W Stone DR, Ste 5d.
Top 10% Endocrinology volume leader in Kingsport, TN
924 annual services across 507 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 | 407 | 99th | $156 – $214 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 203 | 94th | $98 – $134 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 148 | 99.5th | $189 – $259 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 111 | 97th | $215 – $294 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 55 | 99.5th | $241 – $330 |
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Dr. Michael Nannenga, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nannenga National Provider Identifier | NPI #1922104975 (MD) | CMS NPPES Registry (37660) |
| Dr. Nannenga Kingsport CMS Volume Rank | 99.00th Pct (924 CMS svcs; Z -0.653σ) | CMS Medicare Part B (TN Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $201.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Kingsport, TN) |
| Waiting-Room Wait Time & Cash Friendliness | $201.00 avg paid • 10 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.67/5 Listening • 4.84/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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