Timothy Cahill, M.D.
NPI 1215977400ActiveIndividual· Anesthesiology· Ann Arbor, MI
Anesthesiology (M.D.) in Ann Arbor, Michigan, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2001). Medicare paid $24,845 for services to 246 patients in 2024. Merck Sharp & Dohme LLC reported $32.93 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1215977400 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Aug 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 4301086007 | MI |
| Anesthesiology | 207L00000X | 35.136955 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (MI); Practitioner - Anesthesiology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 246 |
|---|---|
| Services billed | 297 across 76 procedure codes |
| Paid by Medicare | $24,845 |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Anesthesiology |
Medical groups
- Anesthesia Associates of Ann Arbor PLLCPontaic, MI · 219 clinicians
- A4 of Ohio LLCMaumee, OH · 33 clinicians
Hospital affiliations
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Livingston HospitalHowell, MI
Industry payments (Open Payments)
- 2025$32.93 · 2 payments from 1 company
- 2024$62.30 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $32.93 | 2 |
What the 2025 payments were for
- Food and Beverage$32.93 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 403 anesthesiologists in Ann Arbor · All anesthesiologists in Michigan