Dr. Larissa Allen, MD
6130 N LA Cholla Blvd, Suite 200, Tucson, AZ 85741 • +1-584-555-6636
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Tucson Percentiles
NPI #1659536480 • CBSA Regional • Gastroenterology
Operating out of Tucson, AZ (6130 N LA Cholla Blvd, Suite 200), Gastroenterology clinician Dr. Larissa Allen, MD (accredited MD/DO training, 1992) maintains a upper-quartile active clinical volume (65th Tucson percentile) (57.24th AZ percentile; Z-score -0.33σ across 1,356 documented services) with sub-specialty concentration in 27 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 6130 N LA Cholla Blvd, Suite 200 shows Dr. Larissa Allen's primary concentration in Established Gastroenterology, GERD & IBD Evaluation (code 99214: 502x/yr, 65th local percentile) alongside Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy (45380: 339x/yr, $431–$590).
Uninsured and high-deductible cash patients visiting Dr. Larissa Allen in Tucson (85741) face an estimated $207.00 initial evaluation fee at 6130 N LA Cholla Blvd, Suite 200 (in-person clinic visits only; 22-minute average reception wait; bedside manner 4.79/5 from 6 verified reports).
Patients evaluating Dr. Larissa Allen in ZIP 85741 note 34 years of post-doctoral tenure (null, 1992) alongside 1.9 annual CMS procedures per patient.
Compared against Tucson, AZ Gastroenterology peers
1,356 annual services across 715 beneficiaries
Standard deviations from AZ 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 | 502 | 65th | $179 – $245 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 339 | 70th | $431 – $590 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 285 | 66th | $358 – $490 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 136 | 66th | $480 – $657 |
| 99204 | New Patient Digestive & Hepatology Consultation | 95 | 65th | $252 – $345 |
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Dr. Larissa Allen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Allen National Provider Identifier | NPI #1659536480 (MD) | CMS NPPES Registry (85741) |
| Dr. Allen Tucson CMS Volume Rank | 65.00th Pct (1,356 CMS svcs; Z -0.327σ) | CMS Medicare Part B (AZ Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $207.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Tucson, AZ) |
| Waiting-Room Wait Time & Cash Friendliness | $207.00 avg paid • 22 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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