Dr. William Hahn, MD
317 W Pueblo St, Santa Barbara, CA 93105 • +1-684-555-3479
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Santa Barbara Percentiles
NPI #1033227582 • CBSA Regional • Gastroenterology
CMS Medicare Part B utilization records credit Dr. William Hahn (MD, NPI 1033227582) at 317 W Pueblo St in Santa Barbara with 2,571 annual clinical services (736 beneficiaries), corresponding to a +0.14σ regional deviation and mid-cohort balanced caseload (37.5th Santa Barbara percentile) with sub-specialty concentration in 54 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1033227582 highlights 951 annual claims for 99214 (37.5th Santa Barbara percentile; $127–$174 self-pay corridor) plus 643 encounters under 45380 and 540 under 43239.
Direct cash-pay transparency modeling sets Dr. Hahn's baseline new-consult rate near $239.00 in Santa Barbara, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 12-minute average reception wait).
NPI registry verification (#1033227582) confirms Dr. William Hahn's MD standing serving CBSA 93105 with a 4.55/5 patient scorecard.
Compared against Santa Barbara, CA Gastroenterology peers
2,571 annual services across 736 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 | 951 | 37.5th | $127 – $174 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 643 | 39.5th | $305 – $418 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 540 | 32.5th | $253 – $347 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 257 | 33.5th | $340 – $466 |
| 99204 | New Patient Digestive & Hepatology Consultation | 180 | 34.5th | $179 – $245 |
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Dr. William Hahn, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hahn National Provider Identifier | NPI #1033227582 (MD) | CMS NPPES Registry (93105) |
| Dr. Hahn Santa Barbara CMS Volume Rank | 37.50th Pct (2,571 CMS svcs; Z +0.139σ) | CMS Medicare Part B (CA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Santa Barbara, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 12 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.50/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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