Colleen Elizabeth Ahern
NPI 1942936984ActiveIndividual· Nurse Anesthetist, Certified Registered· Royal Oak, MI
Nurse Anesthetist, Certified Registered with Northstar Anesthesia of Michigan III PLLC, practicing in Royal Oak, Michigan. Medicare paid $13,860 for services to 115 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $75.07 in all, mostly food and beverage. Lists Beaumont Hospital Royal Oak as a hospital affiliation.
Overview
| NPI | 1942936984 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jul 30, 2022 |
| Last updated in NPPES | Apr 26, 2023 |
| Certified by provider | Apr 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 4704307063 | MI |
| Registered Nurse | 163W00000X | 4704307063 | MI |
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 - Certified Registered Nurse Anesthetist (CRNA) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 115 across 51 procedure codes |
| Paid by Medicare | $13,860 |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Northstar Anesthesia of Michigan III PLLCDearborn, MI · 561 clinicians
Hospital affiliation
- Beaumont Hospital Royal OakRoyal Oak, MI
Industry payments (Open Payments)
- 2025$75.07 · 3 payments from 2 companies
- 2024$19.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $40.61 | 2 |
| Grifols USA, LLC | $34.46 | 1 |
What the 2025 payments were for
- Food and Beverage$75.07 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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