Individual provider Active NPI

Steven Sonnamaker, MD

  • Emergency Medicine Physician
  • Bismarck, ND
National Provider Identifier
1003345323
Registry record updated May 3, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
16394 Issued in ND
Practice address
300 N 7TH St
Bismarck, ND 58501-4439
Phone
(701) 323-6000
NPI assigned
Jun 9, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 3, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 16394 ND Primary
Emergency Medicine Physician 207P00000X 4301112415 MI

Addresses

Primary practice location

300 N 7TH St
Bismarck, ND 58501-4439

Mailing address

PO Box 5074
Sioux Falls, SD 57117-5074
Phone (605) 328-9419

Other practice location 1

3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Phone (248) 898-2001

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200520002068 ND Practitioner - Emergency Medicine 4688942667 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Texas a & M University System, HSC, College of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sanford BismarckGroup PAC ID 9739098575, 562 clinicians

Practice addresses (Care Compare)

300 N 7TH St
Bismarck, ND 58501-4439
Phone (701) 323-6000

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

Hospital & facility affiliations

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

Merit-based Incentive Payment System (MIPS)

Final score
88.5 of 100Reported as group
Quality
79.54
Improvement activities
40
Cost
78.56

Merit-based Incentive Payment System (MIPS)

Final score
89.63 of 100Reported as group
Quality
89.39
Promoting interoperability
100
Improvement activities
40
Cost
76.04

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
4301112415MIMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Hospital of Devils Lake Emergency Medicine CurrentSince Mar 27, 2024 Accepting new patients
Sanford Bismarck CurrentSince May 15, 2024 Accepting new patients
Healthsource Partners ND LLC Emergency Medicine CurrentSince Jul 1, 2020 Accepting new patients
Mercy Home Care CurrentSince May 23, 2025 Accepting new patients
Mercy Hospital of Devils Lake CurrentSince Mar 27, 2024 Accepting new patients
Mercy Medical Center Current Accepting new patients
Mercy Medical Center CurrentSince May 23, 2025 Accepting new patients
Mercy Hospital of Devils Lake Current Accepting new patients
Sanford Bismarck CurrentSince May 15, 2024 Accepting new patients

Locations

3290 Solutions Ctr
Chicago, IL 60677

3369 Solutions Ctr
Chicago, IL 60677

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

300 N 7th St
Bismarck, ND 58501
Phone (701) 323-6153

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

1031 7th St NE
Devils Lake, ND 58301
Phone (701) 662-2131

1213 15th Ave W
Williston, ND 58801
Phone (701) 572-7641

1301 15th Ave W
Williston, ND 58801
Phone (701) 774-7400

Organizations & group practices 9

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.

Hospital & facility affiliations 1

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": "1496966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1714694400000",
    "number": "1003345323",
    "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": "605-328-9419"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 N 7TH ST",
            "city": "BISMARCK",
            "state": "ND",
            "postal_code": "585014439",
            "telephone_number": "701-323-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3601 W 13 Mile Rd",
            "address_purpose": "LOCATION",
            "city": "Royal Oak",
            "state": "MI",
            "postal_code": "480736712",
            "country_code": "US",
            "telephone_number": "248-898-2001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SONNAMAKER",
        "first_name": "STEVEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-06-09",
        "last_updated": "2024-05-03",
        "certification_date": "2024-05-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ND",
            "license": "16394",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "4301112415",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bismarck, ND

Sources for this page

Verify at the official NPI Registry.