William Bennett Ennen, M.D.
NPI 1770743403ActiveIndividual· Anesthesiology· Murray, UT
Anesthesiology (M.D.) in Murray, Utah, trained at University of Chicago, Pritzker School of Medicine (class of 2007). Medicare paid $34,382 for services to 131 patients in 2024. Octapharma USA, Inc. was the largest of 2 companies reporting payments in 2025, $61.98 in all, mostly food and beverage.
Overview
| NPI | 1770743403 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2008 |
| Last updated in NPPES | Jun 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 11238688-1205 | UT |
| Anesthesiology | 207L00000X | A104930 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 238 across 59 procedure codes |
| Paid by Medicare | $34,382 |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Anesthesiology |
Medical group
- Mountain West Anesthesia LLCProvo, UT · 271 clinicians
Hospital affiliation
- Intermountain Medical CenterMurray, UT
Industry payments (Open Payments)
- 2025$61.98 · 3 payments from 2 companies
- 2024$185.78 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Octapharma USA, Inc. | $45.76 | 2 |
| Chiesi USA, Inc. | $16.22 | 1 |
What the 2025 payments were for
- Food and Beverage$61.98 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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