Individual provider Active NPI

Matthew L Maunu, MD

  • Surgery Physician
  • Watford City, ND
National Provider Identifier
1881684546
Registry record updated May 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
23976 Issued in ND
Practice address
709 4TH Ave NE
Watford City, ND 58854-7628
Phone
(701) 842-3000
Fax
(701) 842-6248
NPI assigned
Oct 25, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 14, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 44007 MN
Surgery Physician 208600000X 23976 ND Primary

Addresses

Primary practice location

709 4TH Ave NE
Watford City, ND 58854-7628

Mailing address

709 4TH Ave NE
Watford City, ND 58854-7628
Phone (701) 842-3000

Other identifiers 9

IdentifierTypeStateIssuer
2114153OtherFIRST HEALTH PLAN
43F36MAOtherBLUE CROSS BLUE SHIELD
020049623OtherRR MEDICARE
151703OtherU CARE
986426100OtherMEDICAL ASSISTANCE
C11369OtherRR MEDICARE
1027346OtherPREFERRED ONE
1285221OtherARAZ GROUP AMERICAS PPO
1700538OtherMEDICA HEALTH PLANS

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mmaunu2741685@wm.providencedirect.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT, ND2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20230420000723 MT Practitioner - General Surgery 7214079037 Reassigns benefits to 1 organization
I20260414002697 ND Practitioner - General Surgery 7214079037 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of Minnesota Medical School, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
McKenzie County Healthcare Systems IncGroup PAC ID 5890768006, shared by 5 NPIs, 63 clinicians

Practice addresses (Care Compare)

3 4TH St E
Williston, ND 58801-5350
Phone (701) 577-6337

509 16TH St NE
Watford City, ND 58854-7628
Phone (701) 444-7814

709 4TH Ave NE
Watford City, ND 58854-7628
Phone (701) 842-3000

Hospital & facility affiliations

  • Barrett Hospital & Healthcare Hospital, Dillon, MT, CCN 271318
  • St Peters Health Hospital, Helena, MT, CCN 270003
  • McKenzie County Healthcare Systems Inc Hospital, Watford City, ND, CCN 351302

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
23976NDMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Barrett Hospital Development Corporation CurrentSince Oct 1, 2025 Accepting new patients
Barrett Hospital Development Corporation CurrentSince May 1, 2023 Accepting new patients
Barrett Hospital Development Corporation Current Accepting new patients
Barrett Hospital Development Corporation CurrentSince Jan 1, 2026 Accepting new patients
Barrett Hospital Development Corporation CurrentSince May 1, 2023 Accepting new patients
Regional Diagnostic Radiology Current Accepting new patients
Centracare Clinic Past Accepting new patients
Centracare Clinic Past Accepting new patients
Barrett Hospital Development Corporation Past Accepting new patients

Locations

815 2nd St SE
Little Falls, MN 56345
Phone (320) 632-5441

200 W 1st St
Paynesville, MN 56362
Phone (320) 243-3767

1406 6th Ave N
Saint Cloud, MN 56303
Phone (320) 255-5657

425 Elm St N
Sauk Centre, MN 56378
Phone (320) 352-2221

3417 Busch St
Ste A
Butte, MT 59701

600 MT Highway 91 S
Dillon, MT 59725
Phone (406) 683-3001

30 MT Highway 91 S
Dillon, MT 59725
Phone (406) 414-5070

Organizations & group practices 11

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 7

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": "1130198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778716800000",
    "number": "1881684546",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "709 4TH AVE NE",
            "city": "WATFORD CITY",
            "state": "ND",
            "postal_code": "588547628",
            "telephone_number": "701-842-3000",
            "fax_number": "701-842-6248"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "709 4TH AVE NE",
            "city": "WATFORD CITY",
            "state": "ND",
            "postal_code": "588547628",
            "telephone_number": "701-842-3000",
            "fax_number": "701-842-6248"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAUNU",
        "first_name": "MATTHEW",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-25",
        "last_updated": "2026-05-14",
        "certification_date": "2026-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MN",
            "license": "44007",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "ND",
            "license": "23976",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FIRST HEALTH PLAN",
            "identifier": "2114153",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "43F36MA",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "020049623",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "U CARE",
            "identifier": "151703",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL ASSISTANCE",
            "identifier": "986426100",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "C11369",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PREFERRED ONE",
            "identifier": "1027346",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ARAZ GROUP AMERICAS PPO",
            "identifier": "1285221",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICA HEALTH PLANS",
            "identifier": "1700538",
            "state": null
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mmaunu2741685@wm.providencedirect.org",
            "affiliation": "N",
            "address_1": "600 Mt Highway 91 S",
            "city": "Dillon",
            "state": "MT",
            "country_code": "US",
            "postal_code": "597257379",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Watford City, ND

Sources for this page

Verify at the official NPI Registry.