Karen Hergenreder, CRNA
NPI 1265484083ActiveIndividual· Nurse Anesthetist, Certified Registered· Toledo, OH
Nurse Anesthetist, Certified Registered (CRNA) in Toledo, Ohio, trained at Wayne State University School of Medicine (class of 2003). Medicare paid $13,387 for services to 106 patients in 2024. Merck Sharp & Dohme LLC reported $18.09 in payments in 2024, mostly education.
Overview
| NPI | 1265484083 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Jun 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | APRN.CRNA.07590 | OH |
| Specialist | 174400000X | 215576 | 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 - Certified Registered Nurse Anesthetist (CRNA) (MI); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 106 |
|---|---|
| Services billed | 110 across 35 procedure codes |
| Paid by Medicare | $13,387 |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Southwest Ohio Anesthesia Consultants LLCCincinnati, OH · 361 clinicians
- Clinical Colleagues IncLoganport, IN · 164 clinicians
- Henry County Hospital IncNapoleon, OH · 41 clinicians
Hospital affiliations
- Community Hospitals and Wellness CentersBryan, OH
- Mercy Health - Tiffin HospitalTiffin, OH
- Mercy St Vincent Medical CenterToledo, OH
- Van Wert County HospitalVan Wert, OH
Industry payments (Open Payments)
- 2024$18.09 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $18.09 | 1 |
What the 2024 payments were for
- Education$18.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 217 nurse anesthetists in Toledo · All nurse anesthetists in Ohio