KAREN HERGENREDER CRNA
NPI 1265484083
Nurse Anesthetist, Certified Registered in Toledo, OH
About Karen Hergenreder Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN HERGENREDER CRNA (NPI 1265484083) is an individual nurse anesthetist, certified registered in Toledo, Ohio, licensed in Ohio (APRN.CRNA.07590) and active in the NPI registry since May 2006. She is affiliated with Van Wert County Hospital and is a graduate of Wayne State University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Hergenreder Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
12Medicare enrollment records show Karen Hergenreder reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oregon, OH 43616
- Reassigned Medicare billing, Ohio enrollment
- 14 clinicians in this Medicare group
Toledo, OH 43623
- Reassigned Medicare billing, Ohio enrollment
- Medicare enrollment name: Sylvania Anesthesia Services LLC
- 12 clinicians in this Medicare group
Toledo, OH 43617
- Reassigned Medicare billing, Ohio enrollment
- 15 clinicians in this Medicare group
Monroe, MI 48161
- Reassigned Medicare billing, Michigan enrollment
- 33 clinicians in this Medicare group
Napoleon, OH 43545
- Reassigned Medicare billing, Ohio enrollment
- 123 clinicians in this Medicare group
Findlay, OH 45840
- Reassigned Medicare billing, Ohio enrollment
- 133 clinicians in this Medicare group
Litchfield, MI 49252
- Reassigned Medicare billing, Michigan enrollment
- 174 clinicians in this Medicare group
Van Wert, OH 45891
- Reassigned Medicare billing, Ohio enrollment
- 86 clinicians in this Medicare group
Springfield, OH 45505
- Reassigned Medicare billing, Ohio enrollment
- 471 clinicians in this Medicare group
Canton, OH 44708
- Reassigned Medicare billing, Ohio enrollment
- 554 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Van Wert County Hospital
Acute Care Hospitals · Van Wert, OHMercy Health - Tiffin Hospital
Acute Care Hospitals · Tiffin, OHMercy St Vincent Medical Center
Acute Care Hospitals · Toledo, OHCommunity Hospitals And Wellness Centers
Acute Care Hospitals · Bryan, OHOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TOLEDO, OH 43608
TOLEDO, OH 43608
TOLEDO, OH 43608
TOLEDO, OH 43608
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Hergenreder's NPI number?
The NPI number for Karen Hergenreder is 1265484083. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Karen Hergenreder located?
Karen Hergenreder practices at 2409 Cherry St #305, Toledo, OH 43608. The listed phone number is (419) 251-3740.
What is Karen Hergenreder's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karen Hergenreder enrolled in Medicare?
Yes. Karen Hergenreder is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karen Hergenreder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Hergenreder reassigns Medicare benefits to 12 organizations: West Central Surgical Center-Bayside (Oregon, OH), Sylvania Anesthesia Services, L.L.C. (Toledo, OH), West Central Surgical Center, LLC (Toledo, OH), Anupama Shah MD, Plc (Monroe, MI), Henry County Hospital Inc (Napoleon, OH) and 7 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Hergenreder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Hergenreder accept?
Health plans from CareSource, Paramount and Priority Health list Karen Hergenreder as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Karen Hergenreder affiliated with any hospitals?
According to CMS data, Karen Hergenreder is affiliated with Van Wert County Hospital, Mercy Health - Tiffin Hospital, Mercy St Vincent Medical Center and Community Hospitals And Wellness Centers.
When was this NPI record last updated?
The NPPES record for Karen Hergenreder was last updated on June 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Karen Hergenreder, CRNA · NPI 1265484083
Nurse Anesthetist, Certified Registered physician in Toledo, Ohio. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1265484083 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** APRN.CRNA.07590 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 2409 CHERRY ST, #305, Toledo, OH 43608-2625
- **Phone:** (419) 251-3740 · **Fax:** (419) 251-3859
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 12 organizations under Medicare reassignment (form CMS-855R): West Central Surgical Center-Bayside (NPI 1851789762, Oregon, OH); Sylvania Anesthesia Services, L.L.C. (NPI 1225388630, Toledo, OH); West Central Surgical Center, LLC (NPI 1255578936, Toledo, OH); Anupama Shah MD, Plc (NPI 1679864623, Monroe, MI); Henry County Hospital Inc (NPI 1407880909, Napoleon, OH); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** June 6, 2019
- **Other identifiers:** Medicaid 2452911 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1265484083) · Data from the CMS NPPES public registry.