Dr. Martin Gregory, MD
1 Barnes Jewish Hospital Plz, Div IM Gastroenterology, Saint Louis, MO 63110 • +1-839-555-8922
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Louis Percentiles
NPI #1437530292 • CBSA Regional • Gastroenterology
Operating out of Saint Louis, MO (1 Barnes Jewish Hospital Plz, Div IM Gastroenterology), Gastroenterology clinician Dr. Martin Gregory, MD (accredited MD/DO training, 2009) maintains a focused low-volume boutique caseload (25.64th Saint Louis percentile) (16.79th MO percentile; Z-score -0.46σ across 760 documented services) with sub-specialty concentration in 34 Active CMS HCPCS Codes.
Dr. Gregory's longitudinal care intensity (3.3 billed units per patient across 228 individuals) centers on 99214 (281 annual units) and 45380 ($285–$390 cash range).
Uninsured and high-deductible cash patients visiting Dr. Martin Gregory in Saint Louis (63110) face an estimated $209.00 initial evaluation fee at 1 Barnes Jewish Hospital Plz, Div IM Gastroenterology (hybrid in-clinic and telehealth video consults; 16-minute average reception wait; bedside manner 4.85/5 from 8 verified reports).
Credentialed as an MD specialist with 17 years post-graduation experience since completing medical school at an LCME/COCA institution (2009), Dr. Gregory coordinates 34 Active CMS HCPCS Codes workups from 1 Barnes Jewish Hospital Plz, Div IM Gastroenterology (+1-839-555-8922).
Compared against Saint Louis, MO Gastroenterology peers
760 annual services across 228 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 | 281 | 25.64th | $118 – $162 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 190 | 24.64th | $285 – $390 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 160 | 25.64th | $237 – $324 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 76 | 23.64th | $317 – $435 |
| 99204 | New Patient Digestive & Hepatology Consultation | 53 | 24.64th | $167 – $228 |
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Dr. Martin Gregory, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gregory National Provider Identifier | NPI #1437530292 (MD) | CMS NPPES Registry (63110) |
| Dr. Gregory Saint Louis CMS Volume Rank | 25.64th Pct (760 CMS svcs; Z -0.456σ) | 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 | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.85/5 Listening • 4.67/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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