Dr. John Siekierka, DO
90 Brick Rd, Marlton, NJ 08053 • +1-308-555-3933
Medical Education: Accredited U.S. Medical School (Class of 2006)
What This Doctor Actually Performs: CMS Medicare Utilization & Marlton Percentiles
NPI #1134175292 • CBSA Regional • Emergency Medicine
Operating out of Marlton, NJ (90 Brick Rd), Emergency Medicine clinician Dr. John Siekierka, DO (accredited MD/DO training, 2006) maintains a top-decile high-throughput specialist (99th percentile in Marlton) (40.11th NJ percentile; Z-score -0.35σ across 799 documented services) with sub-specialty concentration in 45 Active CMS HCPCS Codes.
Procedural volume for Dr. Siekierka is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 355 annual services, $120–$164 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 205/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 102/yr).
At 90 Brick Rd (08053), Dr. John Siekierka, DO accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.67/5 bedside rating).
NPI registry verification (#1134175292) confirms Dr. John Siekierka's DO standing serving CBSA 08053 with a 4.53/5 patient scorecard.
Top 10% Emergency Medicine volume leader in Marlton, NJ
799 annual services across 449 beneficiaries
Standard deviations from NJ 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 | 355 | 99th | $120 – $164 |
| 99213 | Established Preventive & Chronic Care Visit | 205 | 99th | $91 – $125 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 102 | 99.5th | $44 – $60 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 79 | 98th | $140 – $192 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 47 | 99th | $166 – $228 |
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Dr. John Siekierka, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Siekierka National Provider Identifier | NPI #1134175292 (DO) | CMS NPPES Registry (08053) |
| Dr. Siekierka Marlton CMS Volume Rank | 99.00th Pct (799 CMS svcs; Z -0.351σ) | CMS Medicare Part B (NJ Emergency Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Marlton, NJ) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.67/5 Listening • 4.91/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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