Dr. Stephen Hasak, MD
1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 • +1-839-555-3601
Medical Education: Accredited U.S. Medical School (Class of 2015)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Louis Percentiles
NPI #1184063562 • CBSA Regional • Gastroenterology
CMS Medicare Part B utilization records credit Dr. Stephen Hasak (MD, NPI 1184063562) at 1 Barnes Jewish Hospital Plz in Saint Louis with 1,552 annual clinical services (533 beneficiaries), corresponding to a -0.37σ regional deviation and mid-cohort balanced caseload (61.54th Saint Louis percentile) with sub-specialty concentration in 75 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1184063562 highlights 574 annual claims for 99214 (61.54th Saint Louis percentile; $186–$254 self-pay corridor) plus 388 encounters under 45380 and 326 under 43239.
Self-pay new patient consultations with Dr. Hasak (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 16-minute average reception wait, and a 4.67/5 modern protocol openness score across 20 patient logs.
Credentialed as an MD specialist with 11 years post-graduation experience since completing medical school at an LCME/COCA institution (2015), Dr. Hasak coordinates 75 Active CMS HCPCS Codes workups from 1 Barnes Jewish Hospital Plz (+1-839-555-3601).
Compared against Saint Louis, MO Gastroenterology peers
1,552 annual services across 533 beneficiaries
Standard deviations from MO Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 574 | 61.54th | $186 – $254 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 388 | 64.54th | $447 – $613 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 326 | 65.54th | $371 – $509 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 155 | 60.54th | $498 – $682 |
| 99204 | New Patient Digestive & Hepatology Consultation | 109 | 63.54th | $262 – $359 |
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Dr. Stephen Hasak, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hasak National Provider Identifier | NPI #1184063562 (MD) | CMS NPPES Registry (63110) |
| Dr. Hasak Saint Louis CMS Volume Rank | 61.54th Pct (1,552 CMS svcs; Z -0.374σ) | CMS Medicare Part B (MO Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Saint Louis, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.75/5 Listening • 4.67/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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