Dr. William Karkowsky, MD
6503 Sanzo Rd Apt F, Baltimore, MD 21209 • +1-808-555-6409
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Baltimore Percentiles
NPI #1053675074 • CBSA Regional • Critical Care (Intensivists)
Dr. William Karkowsky, MD (NPI #1053675074) practices Critical Care (Intensivists) in Baltimore, MD (21209) with sub-specialty concentration in 32 Active CMS HCPCS Codes, recording 836 annual CMS services across 398 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (60th Baltimore percentile) (-0.47σ vs MD state mean, 45.95th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Karkowsky (averaging 2.1 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (376 encounters), paired with 99213 (217x).
Cash-pay intake data for NPI 1053675074 (6503 Sanzo Rd Apt F, Baltimore) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 16-minute average reception wait and 4.93/5 biomarker openness.
Clinical background for Dr. Karkowsky (MD, NPI #1053675074) includes accredited doctoral training (1998, 28 yrs in practice) and dedicated on-site consultations at 6503 Sanzo Rd Apt F.
Compared against Baltimore, MD Critical Care (Intensivists) peers
836 annual services across 398 beneficiaries
Standard deviations from MD Critical Care (Intensivists) 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 | 376 | 60th | $194 – $266 |
| 99213 | Established Preventive & Chronic Care Visit | 217 | 64th | $148 – $203 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 109 | 55th | $71 – $97 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 84 | 55th | $227 – $312 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 50 | 64th | $270 – $369 |
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Dr. William Karkowsky, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Karkowsky National Provider Identifier | NPI #1053675074 (MD) | CMS NPPES Registry (21209) |
| Dr. Karkowsky Baltimore CMS Volume Rank | 60.00th Pct (836 CMS svcs; Z -0.475σ) | CMS Medicare Part B (MD Critical Care (Intensivists)) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Baltimore, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.62/5 Listening • 4.93/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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