Dr. William Hasler, MD
1500 E Medical Center DR, Ann Arbor, MI 48109 • +1-488-555-8482
Medical Education: Accredited U.S. Medical School (Class of 2012)
What This Doctor Actually Performs: CMS Medicare Utilization & Ann Arbor Percentiles
NPI #1346322872 • CBSA Regional • Gastroenterology
Operating out of Ann Arbor, MI (1500 E Medical Center DR), Gastroenterology clinician Dr. William Hasler, MD (accredited MD/DO training, 2012) maintains a mid-cohort balanced caseload (50th Ann Arbor percentile) (6.47th MI percentile; Z-score -0.51σ across 701 documented services) with sub-specialty concentration in 33 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1500 E Medical Center DR shows Dr. William Hasler's primary concentration in Established Gastroenterology, GERD & IBD Evaluation (code 99214: 259x/yr, 50th local percentile) alongside Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy (45380: 175x/yr, $365–$500).
Uninsured and high-deductible cash patients visiting Dr. William Hasler in Ann Arbor (48109) face an estimated $209.00 initial evaluation fee at 1500 E Medical Center DR (hybrid in-clinic and telehealth video consults; 21-minute average reception wait; bedside manner 4.79/5 from 5 verified reports).
Credentialed as an MD specialist with 14 years post-graduation experience since completing medical school at an LCME/COCA institution (2012), Dr. Hasler coordinates 33 Active CMS HCPCS Codes workups from 1500 E Medical Center DR (+1-488-555-8482).
Compared against Ann Arbor, MI Gastroenterology peers
701 annual services across 456 beneficiaries
Standard deviations from MI 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 | 259 | 50th | $151 – $207 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 175 | 48th | $365 – $500 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 147 | 52th | $303 – $415 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 70 | 51th | $406 – $556 |
| 99204 | New Patient Digestive & Hepatology Consultation | 49 | 50th | $213 – $292 |
Are you Dr. William Hasler? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Ann Arbor, MI:
<a href="https://dotmd.com/doctors/william-hasler-md-ann-arbor-mi-1346322872" title="Dr. William Hasler, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1346322872.svg" alt="Dr. William Hasler Gastroenterology Badge" width="280" height="72" /></a>
Dr. William Hasler, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hasler National Provider Identifier | NPI #1346322872 (MD) | CMS NPPES Registry (48109) |
| Dr. Hasler Ann Arbor CMS Volume Rank | 50.00th Pct (701 CMS svcs; Z -0.507σ) | CMS Medicare Part B (MI Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ann Arbor, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 21 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.82/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. William Hasler
Other High-Volume Gastroenterology Specialists in Ann Arbor, MI
Ranked strictly by CMS Medicare volumeDr. Hasler Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Ann Arbor, MI.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. William Hasler community threads and patient logs by age, biological sex, dosage, and treatment duration.