Dr. David Charles, MD
15200 Shady Grove Rd, Ste. 307, Rockville, MD 20850 • +1-457-555-4661
Medical Education: Accredited U.S. Medical School (Class of 2010)
What This Doctor Actually Performs: CMS Medicare Utilization & Rockville Percentiles
NPI #1487835179 • CBSA Regional • Internal Medicine
Within the Rockville, MD (CBSA local) Internal Medicine cohort, Dr. David Charles, MD with sub-specialty concentration in 26 Active CMS HCPCS Codes ranks at the 13.51th municipal percentile and 21.89th MD percentile (-0.15σ Z-score) based on 963 billed procedures for 225 patients.
Medicare Part B line-item claims for Dr. David Charles (20850) place 99214 at the top of the practice ledger (433 yearly units, 13.51th metro rank), rounded out by 99213 and 93000.
For out-of-network patients contacting +1-457-555-4661, Dr. Charles's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.74/5 composite reality score over 9 submissions).
From 15200 Shady Grove Rd, Ste. 307 in Rockville (+1-457-555-4661), Dr. Charles, MD (16-year clinical track record) delivers 26 Active CMS HCPCS Codes care.
Compared against Rockville, MD Internal Medicine peers
963 annual services across 225 beneficiaries
Standard deviations from MD Internal 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 | 433 | 13.51th | $150 – $205 |
| 99213 | Established Preventive & Chronic Care Visit | 250 | 15.51th | $115 – $157 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 125 | 17.51th | $55 – $75 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 96 | 12th | $176 – $241 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 58 | 12th | $208 – $285 |
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Dr. David Charles, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Charles National Provider Identifier | NPI #1487835179 (MD) | CMS NPPES Registry (20850) |
| Dr. Charles Rockville CMS Volume Rank | 13.51th Pct (963 CMS svcs; Z -0.146σ) | CMS Medicare Part B (MD Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Rockville, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.64/5 Listening • 4.55/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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