Dr. Maria Sandra Umali, MD
22621 Lyons Ave, Newhall, CA 91321 • +1-381-555-4710
Medical Education: Accredited U.S. Medical School (Class of 2004)
What This Doctor Actually Performs: CMS Medicare Utilization & Newhall Percentiles
NPI #1790817328 • CBSA Regional • Gastroenterology
Statistical peer benchmarking across CA Gastroenterology providers positions Dr. Maria Sandra Umali, MD in Newhall at -0.20σ (0th city percentile / 52.36th state percentile, 338 Medicare beneficiaries), with clinical focus spanning 19 Active CMS HCPCS Codes.
Procedural volume for Dr. Umali is led by HCPCS 99214 (Established Gastroenterology, GERD & IBD Evaluation — 467 annual services, $240–$329 GPCI cash estimate), followed by CPT 45380 (Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy, 315/yr) and CPT 43239 (Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy, 265/yr).
Direct cash-pay transparency modeling sets Dr. Umali's baseline new-consult rate near $239.00 in Newhall, CA (cash-pay accepted, in-person clinic visits only, 22-minute average reception wait).
Clinical background for Dr. Umali (MD, NPI #1790817328) includes accredited doctoral training (2004, 22 yrs in practice) and dedicated on-site consultations at 22621 Lyons Ave.
Compared against Newhall, CA Gastroenterology peers
1,261 annual services across 338 beneficiaries
Standard deviations from CA 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 | 467 | 12th | $240 – $329 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 315 | 12th | $578 – $792 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 265 | 12th | $480 – $658 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 126 | 12th | $644 – $882 |
| 99204 | New Patient Digestive & Hepatology Consultation | 88 | 12th | $338 – $463 |
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Dr. Maria Sandra Umali, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Umali National Provider Identifier | NPI #1790817328 (MD) | CMS NPPES Registry (91321) |
| Dr. Umali Newhall CMS Volume Rank | 0.00th Pct (1,261 CMS svcs; Z -0.204σ) | CMS Medicare Part B (CA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Newhall, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 22 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.89/5 Listening • 4.50/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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