Dr. David Charman, MD
600 W Lake Cook Rd, Buffalo Grove, IL 60089 • +1-371-555-3901
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Buffalo Grove Percentiles
NPI #1346228954 • CBSA Regional • Internal Medicine
Anchored in Buffalo Grove, IL 60089, Dr. David Charman, MD (NPI 1346228954) logged 829 annual procedures (focused low-volume boutique caseload (0th Buffalo Grove percentile), 17.87th IL percentile, -0.21σ) with sub-specialty concentration in 30 Active CMS HCPCS Codes.
Procedural volume for Dr. Charman is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 342 annual services, $153–$210 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 198/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 99/yr).
Cash-pay intake data for NPI 1346228954 (600 W Lake Cook Rd, Buffalo Grove) indicates $218.00 typical out-of-pocket visit spend against a $218.00 locality benchmark, paired with 17-minute average reception wait and 4.89/5 biomarker openness.
NPI registry verification (#1346228954) confirms Dr. David Charman's MD standing serving CBSA 60089 with a 4.68/5 patient scorecard.
Compared against Buffalo Grove, IL Internal Medicine peers
829 annual services across 147 beneficiaries
Standard deviations from IL 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 | 342 | 12th | $153 – $210 |
| 99213 | Established Preventive & Chronic Care Visit | 198 | 12th | $117 – $161 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 99 | 12th | $56 – $77 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 76 | 12th | $180 – $247 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 46 | 12th | $213 – $292 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (30 HCPCS billing breadth) | 68 | 0th | $138 – $200 |
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Dr. David Charman, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Charman National Provider Identifier | NPI #1346228954 (MD) | CMS NPPES Registry (60089) |
| Dr. Charman Buffalo Grove CMS Volume Rank | 0.00th Pct (829 CMS svcs; Z -0.215σ) | CMS Medicare Part B (IL Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Buffalo Grove, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 17 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.89/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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