Dr. Elizabeth Grethen, MD
188 W Carmel DR, Carmel, IN 46032 • +1-977-555-1120
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Carmel Percentiles
NPI #1962660522 • CBSA Regional • Endocrinology
Within the Carmel, IN (CBSA local) Endocrinology cohort, Dr. Elizabeth Grethen, MD with sub-specialty concentration in 19 Active CMS HCPCS Codes ranks at the 50th municipal percentile and 50th IN percentile (-0.38σ Z-score) based on 2,753 billed procedures for 277 patients.
Fee-schedule auditing of NPI 1962660522 highlights 287 annual claims for 99214 (50th Carmel percentile; $58–$80 self-pay corridor) plus 144 encounters under 95251 and 104 under 76536.
Cash-pay intake data for NPI 1962660522 (188 W Carmel DR, Carmel) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 14-minute average reception wait and 4.80/5 biomarker openness.
Clinical background for Dr. Grethen (MD, NPI #1962660522) includes accredited doctoral training (2014, 12 yrs in practice) and virtual + in-office availability across IN.
Compared against Carmel, IN Endocrinology peers
2,753 annual services across 277 beneficiaries
Standard deviations from IN 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 | 287 | 50th | $58 – $80 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 144 | 45th | $37 – $52 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 104 | 47th | $71 – $97 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 78 | 47th | $80 – $110 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 39 | 45th | $90 – $124 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (19 HCPCS billing breadth) | 2,100 | 50th | $51 – $74 |
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Dr. Elizabeth Grethen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grethen National Provider Identifier | NPI #1962660522 (MD) | CMS NPPES Registry (46032) |
| Dr. Grethen Carmel CMS Volume Rank | 50.00th Pct (2,753 CMS svcs; Z -0.378σ) | CMS Medicare Part B (IN Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Carmel, IN) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.88/5 Listening • 4.80/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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