Tammy J Grosulak, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

R28920 Issued in ND

Practice address

30 7TH St W
Dickinson, ND 58601-4335

Phone

(701) 456-4000

Fax

(701) 456-4800

NPI assigned

Feb 1, 2008

Last updated

Sep 23, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in ND

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sanford BismarckGroup PAC ID 9739098575, 562 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sanford Medical Center Bismarck Hospital, Bismarck, ND, CCN 350015

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations

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.

• Sanford Bismarck

  dba Family Wellness

  • Multi-Specialty Clinic/Center
  • Bismarck, ND
  • NPI 1811941172
  Medicare reassignment Care Compare group NPD
• St Joseph's Hospital and Health Center

  dba CHI St Alexius Health Dickinson Medical Clinic

  • Clinic/Center
  • Dickinson, ND
  • NPI 1730464108
  Medicare reassignment NPD
• Trinity Health

  dba Trinity Medical Group

  • Multi-Specialty Clinic/Center
  • Minot, ND
  • NPI 1083653752
  Medicare reassignment NPD
• West River Health Services

  dba Hettinger Clinic

  • Critical Access Hospital Clinic/Center
  • Hettinger, ND
  • NPI 1174606271
  Medicare reassignment NPD
• West River Health Services

  dba West River Regional Medical Center

  • Critical Access Hospital
  • Hettinger, ND
  • NPI 1588763247
  Medicare reassignment NPD
• Sanford Bismarck

  dba Sanford East Dickinson Clinic

  • Multi-Specialty Clinic/Center
  • Dickinson, ND
  • NPI 1720075377
  NPD
• St Josephs Hospital and Health Center

  dba Dakota Bone and Joint

  • Orthopaedic Surgery Physician
  • Dickinson, ND
  • NPI 1225058217
  NPD
• St. Joseph's Hospital and Health Center

  dba CHI St. Alexius Health Beach Family Clinic

  • Rural Health Clinic/Center
  • Beach, ND
  • NPI 1669491262
  NPD
• Trinity Health

  dba Trinity Portable X-Ray

  • Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
  • Minot, ND
  • NPI 1629636204
  NPD
• West River Health Services

  dba West River Regional Medical Center

  • Physical Therapy Clinic/Center
  • Mott, ND
  • NPI 1902526411
  NPD

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

• Sanford Bismarck

  dba Sanford MRI Center

  • General Acute Care Hospital
  • Bismarck, ND
  • NPI 1538245634
  Care Compare affiliation

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

{
    "created_epoch": "1201824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1083892095",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 7TH ST W",
            "city": "DICKINSON",
            "state": "ND",
            "postal_code": "586014335",
            "telephone_number": "701-456-4000",
            "fax_number": "701-456-4800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2305 37th Ave SW",
            "address_purpose": "LOCATION",
            "city": "Minot",
            "state": "ND",
            "postal_code": "587017669",
            "country_code": "US",
            "telephone_number": "701-857-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GROSULAK",
        "first_name": "TAMMY",
        "middle_name": "J",
        "name_prefix": "Mrs.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-02-01",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "ND",
            "license": "R28920",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://cobiusconnect.cobius.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.1068.1",
            "affiliationName": "Cobius Healthcare Solutions",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "2720 Dundee Rd # 302",
            "city": "Northbrook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600622609",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Certified Registered Nurse Anesthetist in Dickinson, ND
• Providers in Dickinson, ND by specialty
• Certified Registered Nurse Anesthetist in North Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 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.