MARGARET ELAINE ROSS CRNA
NPI 1669708806
Nurse Anesthetist, Certified Registered in Barron, WI
About Margaret Elaine Ross Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET ELAINE ROSS CRNA (NPI 1669708806) is an individual nurse anesthetist, certified registered in Barron, Wisconsin, licensed in Wisconsin (13865) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 3
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
Margaret Elaine Ross 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
8Medicare enrollment records show Margaret Ross reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Barron, WI 54812
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1518494244 (Wisconsin), NPI 1700837812 (Wisconsin), NPI 1154372944 (Wisconsin)
- 501 clinicians in this Medicare group
Baldwin, WI 54002
- Reassigned Medicare billing, Wisconsin enrollment
- 211 clinicians in this Medicare group
Stillwater, MN 55082
- Reassigned Medicare billing, Minnesota enrollment
- 131 clinicians in this Medicare group
Forest Lake, MN 55025
- Reassigned Medicare billing, Minnesota enrollment
- 3,733 clinicians in this Medicare group
Robbinsdale, MN 55422
- Reassigned Medicare billing, Minnesota enrollment
- 246 clinicians in this Medicare group
Plymouth, MN 55447
- Reassigned Medicare billing, Minnesota enrollment
- 1,033 clinicians in this Medicare group
Superior, WI 54880
- Reassigned Medicare billing, Minnesota enrollment
- 513 clinicians in this Medicare group
Redwood Falls, MN 56283
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1568401016 (Minnesota)
- 260 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.
St Lukes Hospital
Acute Care Hospitals · Duluth, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54812 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.
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 Margaret Ross's NPI number?
The NPI number for Margaret Ross is 1669708806. It was assigned to this individual provider in the NPPES registry on October 22, 2009. The provider is also known as Margaret Elaine Simcox.
Where is Margaret Ross located?
Margaret Ross practices at 1222 E Woodland Ave, Barron, WI 54812. The listed phone number is (715) 838-5222.
What is Margaret Ross's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Margaret Ross enrolled in Medicare?
Yes. Margaret Ross 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 Margaret Ross's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Ross reassigns Medicare benefits to 8 organizations: Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Barron, WI), Baldwin Area Medical Center, Inc. (Baldwin, WI), Certified Anesthesia Care, Co. (Stillwater, MN), Allina Health System (Forest Lake, MN), Anesthesiology, P.A. (Robbinsdale, MN) and 3 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 Margaret Ross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Margaret Ross affiliated with any hospitals?
According to CMS data, Margaret Ross is affiliated with St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Margaret Ross was last updated on January 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.
# Margaret Elaine Ross, CRNA · NPI 1669708806
Nurse Anesthetist, Certified Registered physician in Barron, Wisconsin. Individual provider, active in the CMS NPPES registry since October 22, 2009.
## Identity
- **NPI:** 1669708806 (Entity type: Individual)
- **Enumerated:** October 22, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 13865 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1222 E WOODLAND AVE, Barron, WI 54812-1765
- **Phone:** (715) 838-5222
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (NPI 1740239557, Barron, WI); Baldwin Area Medical Center, Inc. (NPI 1467496133, Baldwin, WI); Certified Anesthesia Care, Co. (NPI 1699736348, Stillwater, MN); Allina Health System (NPI 1447556261, Forest Lake, MN); Anesthesiology, P.A. (NPI 1013960798, Robbinsdale, MN); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** January 14, 2025
- **Other identifiers:** Other 4704289909 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1669708806) · Data from the CMS NPPES public registry.