Active NPI
Matthew L Maunu, MD
- Surgery Physician
- Watford City, ND
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- 23976
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2114153 | Other | FIRST HEALTH PLAN | |
| 43F36MA | Other | BLUE CROSS BLUE SHIELD | |
| 020049623 | Other | RR MEDICARE | |
| 151703 | Other | U CARE | |
| 986426100 | Other | MEDICAL ASSISTANCE | |
| C11369 | Other | RR MEDICARE | |
| 1027346 | Other | PREFERRED ONE | |
| 1285221 | Other | ARAZ GROUP AMERICAS PPO | |
| 1700538 | Other | MEDICA HEALTH PLANS |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mmaunu2741685@wm.providencedirect.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MT, ND
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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 Inc
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
- St Peters Health
- McKenzie County Healthcare Systems Inc
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 23976 | ND | MD | Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Barrett Hospital Development Corporation | Current | Accepting new patients | |
| Barrett Hospital Development Corporation | Current | Accepting new patients | |
| Barrett Hospital Development Corporation | Current | Accepting new patients | |
| Barrett Hospital Development Corporation | Current | Accepting new patients | |
| Barrett Hospital Development Corporation | Current | 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.
-
- Critical Access Hospital
- Dillon, MT
- NPI 1396286480
-
- Urgent Care Clinic/Center
- Williston, ND
- NPI 1396516506
-
- Critical Access Hospital
- Watford City, ND
- NPI 1518988948
-
- Multi-Specialty Clinic/Center
- Butte, MT
- NPI 1144039918
-
- Multi-Specialty Clinic/Center
- Twin Bridges, MT
- NPI 1265319255
-
- Critical Access Hospital
- Dillon, MT
- NPI 1326042078
-
- Medical Specialty Clinic/Center
- Sheridan, MT
- NPI 1346046216
-
- Diagnostic Radiology Physician
- Sartell, MN
- NPI 1417935321
-
- Medicare Defined Swing Bed Hospital Unit
- Dillon, MT
- NPI 1326419102
-
- Multi-Specialty Clinic/Center
- St Joseph, MN
- NPI 1134121759
-
- Multi-Specialty Clinic/Center
- Saint Cloud, MN
- NPI 1225030844
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Watford City, ND
- NPI 1518988948
-
- Critical Access Hospital
- Dillon, MT
- NPI 1326042078
-
- Medicare Defined Swing Bed Hospital Unit
- Dillon, MT
- NPI 1326419102
-
- General Acute Care Hospital
- Helena, MT
- NPI 1528023520
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
- Legendary Smiles, P.C.
- Lev3L Performance Physical Therapy
- Kelsey Nicole Linseth, PHARM D
- Claudia H Low, APRN, ACNS-BC
- Maisey Dental
- McKenzie County Ambulance Service
- McKenzie County Healthcare Systems Inc
- McKenzie County Healthcare Systems Inc
- McKenzie County Healthcare Systems Inc
- McKenzie County Healthcare Systems Inc
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.