Dr. John Wallmark, MD
9707 Medical Center DR, Suite 300, Rockville, MD 20850 • +1-457-555-8694
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Rockville Percentiles
NPI #1689755365 • CBSA Regional • Hematology-Oncology
Within the Rockville, MD (CBSA local) Hematology-Oncology cohort, Dr. John Wallmark, MD with sub-specialty concentration in 183 Active CMS HCPCS Codes ranks at the 71.43th municipal percentile and 71.67th MD percentile (+0.53σ Z-score) based on 194,041 billed procedures for 868 patients.
Granular CPT/HCPCS billing distribution at 9707 Medical Center DR, Suite 300 shows Dr. John Wallmark's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 5835x/yr, 71.43th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 3371x/yr, $33–$48).
Self-pay new patient consultations with Dr. Wallmark (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with in-person clinic visits only, 21-minute average reception wait, and a 4.69/5 modern protocol openness score across 15 patient logs.
Spanning 19 years of clinical practice following 2007 graduation from medical training, Dr. John Wallmark integrates 183 Active CMS HCPCS Codes diagnostics for Rockville metro patients.
Compared against Rockville, MD Hematology-Oncology peers
194,041 annual services across 868 beneficiaries
Standard deviations from MD Hematology-Oncology 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 | 5,835 | 71.43th | $43 – $60 |
| 99213 | Established Preventive & Chronic Care Visit | 3,371 | 73.43th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 1,686 | 71.43th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 1,297 | 73.43th | $51 – $70 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 778 | 72.43th | $60 – $83 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (183 HCPCS billing breadth) | 181,074 | 71.43th | $45 – $65 |
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Dr. John Wallmark, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Wallmark National Provider Identifier | NPI #1689755365 (MD) | CMS NPPES Registry (20850) |
| Dr. Wallmark Rockville CMS Volume Rank | 71.43th Pct (194,041 CMS svcs; Z +0.529σ) | CMS Medicare Part B (MD Hematology-Oncology) |
| 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 • 21 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.69/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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