Dr. Barrett Wallis, MD
6152 W Corporate Oaks DR, Crystal River, FL 34429 • +1-452-555-7485
Medical Education: Accredited U.S. Medical School (Class of 2017)
What This Doctor Actually Performs: CMS Medicare Utilization & Crystal River Percentiles
NPI #1740220938 • CBSA Regional • Gastroenterology
Dr. Barrett Wallis, MD (NPI #1740220938) practices Gastroenterology in Crystal River, FL (34429) with sub-specialty concentration in 55 Active CMS HCPCS Codes, recording 1,379 annual CMS services across 300 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th Crystal River percentile) (-0.33σ vs FL state mean, 50.69th statewide percentile).
Dr. Wallis's longitudinal care intensity (4.6 billed units per patient across 300 individuals) centers on 99214 (510 annual units) and 45380 ($437–$599 cash range).
Direct cash-pay transparency modeling sets Dr. Wallis's baseline new-consult rate near $216.00 in Crystal River, FL (cash-pay accepted, hybrid in-clinic and telehealth video consults, 11-minute average reception wait).
Patients evaluating Dr. Barrett Wallis in ZIP 34429 note 9 years of post-doctoral tenure (null, 2017) alongside 4.6 annual CMS procedures per patient.
Compared against Crystal River, FL Gastroenterology peers
1,379 annual services across 300 beneficiaries
Standard deviations from FL 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 | 510 | 12th | $182 – $249 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 345 | 12th | $437 – $599 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 290 | 12th | $363 – $498 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 138 | 12th | $487 – $667 |
| 99204 | New Patient Digestive & Hepatology Consultation | 97 | 12th | $256 – $351 |
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Dr. Barrett Wallis, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Wallis National Provider Identifier | NPI #1740220938 (MD) | CMS NPPES Registry (34429) |
| Dr. Wallis Crystal River CMS Volume Rank | 0.00th Pct (1,379 CMS svcs; Z -0.331σ) | CMS Medicare Part B (FL Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $216.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Crystal River, FL) |
| Waiting-Room Wait Time & Cash Friendliness | $216.00 avg paid • 11 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.62/5 Listening • 4.86/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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