MS. KAREN GAIL ANONSEN CRNA
NPI 1376699520
Nurse Anesthetist, Certified Registered in Plymouth, MN
About Ms. Karen Gail Anonsen Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN GAIL ANONSEN CRNA (NPI 1376699520) is an individual nurse anesthetist, certified registered in Plymouth, Minnesota, licensed in Connecticut (003602) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Hennepin County Medical Center, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Karen Gail Anonsen Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Karen Anonsen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Plymouth, MN 55447
- Reassigned Medicare billing, Minnesota enrollment
- 1,033 clinicians in this Medicare group
Robbinsdale, MN 55422
- Reassigned Medicare billing, Minnesota enrollment
- 246 clinicians in this Medicare group
Minneapolis, MN 55487
- Reassigned Medicare billing, Minnesota enrollment
- 1,247 clinicians in this Medicare group
Stillwater, MN 55082
- Reassigned Medicare billing, Minnesota enrollment
- 131 clinicians in this Medicare group
Shelton, CT 06484
- Reassigned Medicare billing, Connecticut enrollment
- 727 clinicians in this Medicare group
Hamden, CT 06514
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hennepin County Medical Center
Acute Care Hospitals · Minneapolis, MNRidgeview Medical Center
Acute Care Hospitals · Waconia, MNAbbott Northwestern Hospital
Acute Care Hospitals · Minneapolis, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55447 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PLYMOUTH, MN 55447
PLYMOUTH, MN 55447
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 Anonsen's NPI number?
The NPI number for Karen Anonsen is 1376699520. It was assigned to this individual provider in the NPPES registry on January 27, 2007.
Where is Karen Anonsen located?
Karen Anonsen practices at 14700 28th Ave N, Plymouth, MN 55447. The listed phone number is (763) 559-3779.
What is Karen Anonsen's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karen Anonsen enrolled in Medicare?
Yes. Karen Anonsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Karen Anonsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Anonsen reassigns Medicare benefits to 6 organizations: Metropolitan Anesthesia Network, LLP (Plymouth, MN), Anesthesiology, P.A. (Robbinsdale, MN), Hennepin Healthcare System, Inc (Minneapolis, MN), Certified Anesthesia Care, Co. (Stillwater, MN), Integrated Anesthesia Associates LLC (Shelton, CT) and 1 more organization, 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 Anonsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Karen Anonsen affiliated with any hospitals?
According to CMS data, Karen Anonsen is affiliated with Hennepin County Medical Center, Ridgeview Medical Center and Abbott Northwestern Hospital.
When was this NPI record last updated?
The NPPES record for Karen Anonsen was last updated on November 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ms. Karen Gail Anonsen, CRNA · NPI 1376699520
Nurse Anesthetist, Certified Registered physician in Plymouth, Minnesota. Individual provider, active in the CMS NPPES registry since January 27, 2007.
## Identity
- **NPI:** 1376699520 (Entity type: Individual)
- **Enumerated:** January 27, 2007
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 003602 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 14700 28TH AVE N, Plymouth, MN 55447-4835
- **Phone:** (763) 559-3779 · **Fax:** (763) 559-3791
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Metropolitan Anesthesia Network, LLP (NPI 1558314427, Plymouth, MN); Anesthesiology, P.A. (NPI 1013960798, Robbinsdale, MN); Hennepin Healthcare System, Inc (NPI 1528361573, Minneapolis, MN); Certified Anesthesia Care, Co. (NPI 1699736348, Stillwater, MN); Integrated Anesthesia Associates LLC (NPI 1881636397, Shelton, CT); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** November 17, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1376699520) · Data from the CMS NPPES public registry.