Dr. Mark Warren, MD
1006 Wh Smith Blvd, Greenville, NC 27834 • +1-673-555-6734
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Greenville Percentiles
NPI #1629073010 • CBSA Regional • Endocrinology
Within the Greenville, NC (CBSA local) Endocrinology cohort, Dr. Mark Warren, MD with sub-specialty concentration in 122 Active CMS HCPCS Codes ranks at the 87.5th municipal percentile and 99.1th NC percentile (+4.83σ Z-score) based on 55,297 billed procedures for 925 patients.
Among 6 tracked CMS fee-schedule codes for Dr. Warren (averaging 59.8 services per beneficiary), 99214 (Complex Endocrine, Thyroid & Metabolic Biomarker Management) represents 8% of tracked volume (4337 encounters), paired with 95251 (2168x).
Self-pay new patient consultations with Dr. Warren (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with in-person clinic visits only, 17-minute average reception wait, and a 4.46/5 modern protocol openness score across 3 patient logs.
NPI registry verification (#1629073010) confirms Dr. Mark Warren's MD standing serving CBSA 27834 with a 4.80/5 patient scorecard.
Compared against Greenville, NC Endocrinology peers
55,297 annual services across 925 beneficiaries
Standard deviations from NC 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 | 4,337 | 87.5th | $45 – $62 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 2,168 | 86.5th | $28 – $43 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 1,577 | 86.5th | $55 – $75 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 1,183 | 82.5th | $62 – $85 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 591 | 83.5th | $70 – $96 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (122 HCPCS billing breadth) | 45,441 | 87.5th | $45 – $65 |
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Dr. Mark Warren, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Warren National Provider Identifier | NPI #1629073010 (MD) | CMS NPPES Registry (27834) |
| Dr. Warren Greenville CMS Volume Rank | 87.50th Pct (55,297 CMS svcs; Z +4.829σ) | CMS Medicare Part B (NC Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Greenville, NC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.70/5 Listening • 4.46/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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