Stephen A. Flaherty, CRNA
NPI 1932160066ActiveIndividual· Nurse Anesthetist, Certified Registered· Dekalb, IL
Nurse Anesthetist, Certified Registered (CRNA) with Northwestern Medical Faculty Foundation and 1 other group, practicing in Dekalb, Illinois. Medicare paid $26,384 for services to 161 patients in 2024. Merck Sharp & Dohme LLC reported $23.78 in payments in 2024, mostly food and beverage. Lists Presence Mercy Medical Center as a hospital affiliation.
Overview
| NPI | 1932160066 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Mar 29, 2006 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 209001940 | IL |
| Anesthesiology, Pain Medicine | 207LP2900X | 041235148 | IL |
| Anesthesiology | 207L00000X | 041.235148 | IL |
| Anesthesiology | 207L00000X | 209.001940 | IL |
| Anesthesiology, Pain Medicine | 207LP2900X | 209001940 | IL |
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) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 179 across 42 procedure codes |
| Paid by Medicare | $26,384 |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Anesthesia Associates, LtdDowners Grove, IL · 31 clinicians
Hospital affiliation
- Presence Mercy Medical CenterAurora, IL
Industry payments (Open Payments)
- 2024$23.78 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $23.78 | 1 |
What the 2024 payments were for
- Food and Beverage$23.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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