Individual provider Active NPI

Rachel M Gruenberg, FNP-C

  • Family Nurse Practitioner
  • Bismarck, ND
National Provider Identifier
1821472531
Registry record updated Jan 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
R31946 Issued in ND
Practice address
1800 E Interstate Ave
Bismarck, ND 58503-1399
Phone
(701) 323-8800
NPI assigned
Jul 13, 2015
Last updated
Jan 5, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X R31946 ND Primary

Addresses

Primary practice location

1800 E Interstate Ave
Bismarck, ND 58503-1399

Mailing address

PO Box 5074
Sioux Falls, SD 57117-5074
Phone (701) 323-8800

Other practice location 1

831 S Broadway
Minot, ND 58701-4636
Phone (701) 857-3535

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ND
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20150811006151 ND Practitioner - Nurse Practitioner 3274848809 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St Alexius Medical CenterGroup PAC ID 8426960865, 239 clinicians
Sanford BismarckGroup PAC ID 9739098575, 562 clinicians

Practice addresses (Care Compare)

2111 Landmark Cir NW
Minot, ND 58703-1967
Phone (701) 858-1800

3318 N 14TH St
Bismarck, ND 58503-1614
Phone (701) 323-8300

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.48 of 100Reported as group
Quality
73.03
Promoting interoperability
100
Improvement activities
40
Cost
71.91

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
R31946NDMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
St Alexius Medical Center CurrentSince Nov 17, 2018 Accepting new patients
St. Alexius Medical Center CurrentSince Nov 17, 2018 Accepting new patients
Sanford Bismarck CurrentSince Jan 12, 2026 Accepting new patients
Sanford Bismarck CurrentSince Jan 12, 2026 Accepting new patients
Frances Mahon Deaconess Hospital Past Accepting new patients

Locations

1800 E Interstate Ave
Bismarck, ND 58503
Phone (701) 323-6543

3318 N 14th St
Bismarck, ND 58503
Phone (701) 323-8300

900 E Broadway Ave
Bismarck, ND 58501
Phone (701) 530-7300

2111 Landmark Cir NW
Minot, ND 58703
Phone (701) 858-1800

Interoperability endpoints

  • Direct secure messaging: rgruenberg325982@achce.catholichealth.net

Organizations & group practices 5

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

Hospital & facility affiliations 9

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

NPI Registry JSON

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

{
    "created_epoch": "1436745600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1821472531",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074",
            "telephone_number": "701-323-8800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 E INTERSTATE AVE",
            "city": "BISMARCK",
            "state": "ND",
            "postal_code": "585031399",
            "telephone_number": "701-323-8800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "831 S Broadway",
            "address_purpose": "LOCATION",
            "city": "Minot",
            "state": "ND",
            "postal_code": "587014636",
            "country_code": "US",
            "telephone_number": "701-857-3535",
            "fax_number": "701-857-5171",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRUENBERG",
        "first_name": "RACHEL",
        "middle_name": "M",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-07-13",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "ND",
            "license": "R31946",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bismarck, ND

Sources for this page

Verify at the official NPI Registry.