ANN M. SHIREK CRNA
NPI 1205804937
Nurse Anesthetist, Certified Registered in Minneapolis, MN
About Ann M. Shirek Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN M. SHIREK CRNA (NPI 1205804937) is an individual nurse anesthetist, certified registered in Minneapolis, Minnesota, licensed in Minnesota (R130256-1) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with M Health Fairview University Of Mn, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Ann M. Shirek 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 Ann Shirek reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 2,302 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 671 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 4,038 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 681 clinicians in this Medicare group
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 2,361 clinicians in this Medicare group
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 1,178 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
M Health Fairview University Of Mn
Acute Care Hospitals · Minneapolis, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55455 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
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 Ann Shirek's NPI number?
The NPI number for Ann Shirek is 1205804937. It was assigned to this individual provider in the NPPES registry on March 9, 2006.
Where is Ann Shirek located?
Ann Shirek practices at 420 Delaware St SE, Minneapolis, MN 55455. The listed phone number is (612) 626-3000.
What is Ann Shirek's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ann Shirek enrolled in Medicare?
Yes. Ann Shirek 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 Ann Shirek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Shirek reassigns Medicare benefits to 6 organizations: Fairview Clinics (Minneapolis, MN), Fairview Bethesda Hospital (Minneapolis, MN), Fairview Health Services (Minneapolis, MN), University Anesthesia Providers, LLC (Minneapolis, MN), Healtheast Medical Research Institute (Saint Paul, MN) 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 Ann Shirek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ann Shirek affiliated with any hospitals?
According to CMS data, Ann Shirek is affiliated with M Health Fairview University Of Mn.
When was this NPI record last updated?
The NPPES record for Ann Shirek was last updated on May 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Ann M. Shirek, CRNA · NPI 1205804937
Nurse Anesthetist, Certified Registered physician in Minneapolis, Minnesota. Individual provider, active in the CMS NPPES registry since March 9, 2006.
## Identity
- **NPI:** 1205804937 (Entity type: Individual)
- **Enumerated:** March 9, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R130256-1 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 420 DELAWARE ST SE, Minneapolis, MN 55455-0341
- **Phone:** (612) 626-3000
## 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): Fairview Clinics (NPI 1043516867, Minneapolis, MN); Fairview Bethesda Hospital (NPI 1275412561, Minneapolis, MN); Fairview Health Services (NPI 1013994359, Minneapolis, MN); University Anesthesia Providers, LLC (NPI 1699711143, Minneapolis, MN); Healtheast Medical Research Institute (NPI 1508191552, Saint Paul, MN); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** May 15, 2008
- **Other identifiers:** Medicaid 357218800 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1205804937) · Data from the CMS NPPES public registry.