Individual provider Active NPI

Margaret Elaine Ross, CRNA

  • Certified Registered Nurse Anesthetist
  • Barron, WI
National Provider Identifier
1669708806
Registry record updated Jan 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
13865 Issued in WI
Practice address
1222 E Woodland Ave
Barron, WI 54812-1765
Phone
(715) 838-5222
NPI assigned
Oct 22, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 1601783 MN
Certified Registered Nurse Anesthetist 367500000X 4704289909 MI
Certified Registered Nurse Anesthetist 367500000X 13865 WI Primary

Addresses

Primary practice location

1222 E Woodland Ave
Barron, WI 54812-1765

Mailing address

200 1St St SW
Rochester, MN 55905-0001
Phone (715) 838-5222

Other practice location 1

535 Hospital Rd
New Richmond, WI 54017-1449
Phone (715) 243-2600

Other practice location 2

405 Stageline Rd
Hudson, WI 54016-7848
Phone (715) 531-6000

Other practice location 3

265 Griffin St E
Amery, WI 54001-1439
Phone (715) 268-8000

Other identifiers 1

IdentifierTypeStateIssuer
4704289909OtherMIMI LICENSE

Other names 1

  • Margaret Elaine Simcox Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, WI2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20100222000701 MN Practitioner - Certified Registered Nurse Anesthetist (Crna) 4981748472 Reassigns benefits to 7 organizations
I20240308002276 WI Practitioner - Certified Registered Nurse Anesthetist (Crna) 4981748472 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St. Luke'S Hospital of DuluthGroup PAC ID 7113834839, 409 clinicians

Practice addresses (Care Compare)

915 E 1St St
Duluth, MN 55805-2107
Phone (218) 249-5555

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
1601783MNMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Allina Health System Current Accepting new patients
Avera Marshall Current Accepting new patients
Metropolitan Anesthesia Network, LLP Nurse Anesthetist, Certified Registered CurrentSince Apr 1, 2018 Accepting new patients
Anesthesiology, P.a. Nurse Anesthetist, Certified Registered CurrentSince May 1, 2018 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
St. Luke'S Hospital of Duluth CurrentSince Jul 27, 2025 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
St. Luke'S Hospital of Duluth Current Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Apr 29, 2024 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Apr 29, 2024 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Allina Health System CurrentSince Jan 27, 2025 Accepting new patients
Certified Anesthesia Care, Co. Nurse Anesthetist, Certified Registered CurrentSince Apr 1, 2018 Accepting new patients
Avera Marshall CurrentSince Apr 6, 2022 Accepting new patients
Baldwin Area Medical Center, Inc. CurrentSince Mar 1, 2024 Accepting new patients
Avera Marshall CurrentSince Apr 6, 2022 Accepting new patients
Baldwin Area Medical Center Inc. CurrentSince Mar 1, 2024 Accepting new patients
Allina Health System Nurse Anesthetist, Certified Registered CurrentSince Jan 27, 2025 Accepting new patients

Locations

29980 Network Pl
Chicago, IL 60673

200 Bunker Hill Dr
Aitkin, MN 56431
Phone (218) 927-2121

9801 DuPont Ave S
Ste 100
Bloomington, MN 55431

303 Catlin St
Buffalo, MN 55313
Phone (763) 682-1212

701 Dellwood St S
Cambridge, MN 55008
Phone (763) 689-7700

1015 E 1st St
Duluth, MN 55805
Phone (218) 249-7860

915 E 1st St
Duluth, MN 55805
Phone (218) 249-5352

9875 Hospital Dr
Maple Grove, MN 55369
Phone (763) 581-1000

13601 80th Cir N
Ste 100
Maple Grove, MN 55369
Phone (612) 219-5355

300 S Bruce St
Marshall, MN 56258
Phone (507) 532-9631

4050 Coon Rapids Blvd NW
Minneapolis, MN 55433
Phone (763) 236-6786

2925 Chicago Ave
Minneapolis, MN 55407
Phone (612) 262-4813

11855 Ulysses St NE
Minneapolis, MN 55434
Phone (763) 420-1010

2450 Riverside Ave
Minneapolis, MN 55454
Phone (612) 273-7838

14700 28th Ave N
Ste 20
Plymouth, MN 55447
Phone (612) 559-3779

3300 Oakdale Ave N
Robbinsdale, MN 55422
Phone (763) 520-5048

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

1526 Northway Dr
Saint Cloud, MN 56303
Phone (320) 251-8385

400 10th St E
Waconia, MN 55387

1100 Bergslien St
Baldwin, WI 54002
Phone (715) 684-1111

1222 E Woodland Ave
Barron, WI 54812
Phone (715) 537-3166

1501 Thompson St
Bloomer, WI 54724
Phone (715) 568-2000

733 W Clairemont Ave
Eau Claire, WI 54701
Phone (715) 838-3806

1400 Bellinger St
Eau Claire, WI 54703
Phone (715) 838-3311

2321 Stout Rd
Menomonie, WI 54751
Phone (715) 235-5531

Organizations & group practices 19

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 19

Hospital & facility affiliations 26

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 26

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1256169600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736812800000",
    "number": "1669708806",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "715-838-5222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1222 E WOODLAND AVE",
            "city": "BARRON",
            "state": "WI",
            "postal_code": "548121765",
            "telephone_number": "715-838-5222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "535 Hospital Rd",
            "address_purpose": "LOCATION",
            "city": "New Richmond",
            "state": "WI",
            "postal_code": "540171449",
            "country_code": "US",
            "telephone_number": "715-243-2600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "405 Stageline Rd",
            "address_purpose": "LOCATION",
            "city": "Hudson",
            "state": "WI",
            "postal_code": "540167848",
            "country_code": "US",
            "telephone_number": "715-531-6000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "265 Griffin St E",
            "address_purpose": "LOCATION",
            "city": "Amery",
            "state": "WI",
            "postal_code": "540011439",
            "country_code": "US",
            "telephone_number": "715-268-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ROSS",
        "first_name": "MARGARET",
        "middle_name": "ELAINE",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-10-22",
        "last_updated": "2025-01-14",
        "certification_date": "2025-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MN",
            "license": "1601783",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704289909",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WI",
            "license": "13865",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MI LICENSE",
            "identifier": "4704289909",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARGARET",
            "last_name": "SIMCOX",
            "middle_name": "ELAINE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Barron, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.