Dr. Richard Grenn, DO
10628 Park Rd, Charlotte, NC 28210 • +1-407-555-1799
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Charlotte Percentiles
NPI #1689201071 • CBSA Regional • Emergency Medicine
Anchored in Charlotte, NC 28210, Dr. Richard Grenn, DO (NPI 1689201071) logged 770 annual procedures (mid-cohort balanced caseload (50.98th Charlotte percentile), 43.14th NC percentile, -0.31σ) with sub-specialty concentration in 25 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 10628 Park Rd shows Dr. Richard Grenn's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 347x/yr, 50.98th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 200x/yr, $121–$166).
At 10628 Park Rd (28210), Dr. Richard Grenn, DO accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.71/5 bedside rating).
Spanning 17 years of clinical practice following 2009 graduation from medical training, Dr. Richard Grenn integrates 25 Active CMS HCPCS Codes diagnostics for Charlotte metro patients.
Compared against Charlotte, NC Emergency Medicine peers
770 annual services across 521 beneficiaries
Standard deviations from NC Emergency Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 347 | 50.98th | $158 – $217 |
| 99213 | Established Preventive & Chronic Care Visit | 200 | 45.98th | $121 – $166 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 100 | 46.98th | $58 – $79 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 77 | 46.98th | $186 – $255 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 46 | 52.98th | $220 – $302 |
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Dr. Richard Grenn, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grenn National Provider Identifier | NPI #1689201071 (DO) | CMS NPPES Registry (28210) |
| Dr. Grenn Charlotte CMS Volume Rank | 50.98th Pct (770 CMS svcs; Z -0.312σ) | CMS Medicare Part B (NC Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Charlotte, NC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.75/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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