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MATTHEW L MAUNU MD
NPI 1881684546
Surgery in Watford City, ND

Active since October 25, 2005PECOS EnrolledAccepts Medicare Assignment
709 4TH AVE NE, WATFORD CITY, ND 58854(701) 842-3000(701) 842-6248 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 14, 2026, Aug 21, 2023 (2 updates tracked since 2023).

About Matthew L Maunu Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATTHEW L MAUNU MD (NPI 1881684546) is an individual surgery provider in Watford City, North Dakota, licensed in North Dakota (23976) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with St Peters Health, and is a graduate of University Of Minnesota Medical School (1996).

NPPES Registry Identity

NPI1881684546
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameMATTHEW L MAUNUCredential: MD
Location Address709 4TH AVE NEWatford City, ND 58854-7628
Mailing Address709 4th Ave NeWatford City, ND 58854-7628 · (701) 842-3000 · Fax (701) 842-6248
Phone(701) 842-3000
Fax(701) 842-6248
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 1996
Enumeration DateOctober 25, 2005
Last NPPES UpdateMay 14, 20262 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
✔ NPI 1881684546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in ND · 23976✔ Licensed in MN · 44007
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
709 4TH AVE NE, Watford City, ND 58854
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Other Identifiers 9

Other2114153First Health Plan
Other43F36MABlue Cross Blue Shield
Other020049623Rr Medicare
Other151703U Care
Other986426100Medical Assistance
OtherC11369Rr Medicare
Other1027346Preferred One
Other1285221Araz Group Americas Ppo
Other1700538Medica Health Plans

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Matthew L Maunu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214079037
PECOS Enrollment IDI20230420000723, I20260414002697
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Matthew Maunu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mckenzie County Healthcare Systems Inc
0.1 mi
Critical Access
709 4TH AVE NE
Watford City, ND 58854
  • Reassigned Medicare billing, North Dakota enrollment
  • 108 clinicians in this Medicare group
NPI 1518988948 (701) 843-3771

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
30 services13 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Peters Health

Acute Care Hospitals · Helena, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270003
Location2475 BroadwayHelena, MT 59601 · Lewis And Clark County
Emergency services Birthing friendly

Barrett Hospital & Healthcare

Critical Access Hospitals · Dillon, MT
OwnershipGovernment - Hospital District or Authority
CMS Certification Number271318
Location600 Mt Hwy 91 SDillon, MT 59725 · Beaverhead County
Emergency services Birthing friendly

Mckenzie County Healthcare Systems Inc

Critical Access Hospitals · Watford City, ND
OwnershipVoluntary non-profit - Private
CMS Certification Number351302
Location709 4th Ave NEWatford City, ND 58854 · Mckenzie County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58854 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $55.75 – $168.12
Typical copayment $21.42 (range $13.93 – $42.03)
Most-billed visit code 99203
Established Patient
$69.48 typical visit price
range $18.11 – $137.65
Typical copayment $17.37 (range $4.52 – $34.41)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RYLAN JAMES BRANTL MD
Family Medicine
709 4TH AVE NE
WATFORD, ND 58854
McKenzie County (701) 842-3000
MCKENZIE COUNTY HEALTHCARE SYSTEMS INC
Clinic/Center
709 4TH AVE NE
WATFORD CITY, ND 58854
McKenzie County (701) 842-3771
MRS. AFTON MCKENZIE SCHAPER FNP
Nurse Practitioner (Family)
709 4TH AVE NE
WATFORD CITY, ND 58854
McKenzie County (701) 842-3740
MRS. JESSICA M COMEAU FNP
Nurse Practitioner (Family)
709 4TH AVE NE
WATFORD CITY, ND 58854
McKenzie County (701) 842-3771
MCKENZIE COUNTY HEALTHCARE SYSTEMS INC
Non-Pharmacy Dispensing Site
709 4TH AVE NE
WATFORD CITY, ND 58854
McKenzie County (701) 842-3771
VINCENT ADJETEY MD
Pediatrics
709 4TH AVE NE
WATFORD CITY, ND 58854
McKenzie County (701) 842-3771
DR. DAVID PAUL HARRIES MD
Pain Medicine (Interventional Pain Medicine)
709 4TH AVE NE, PAIN MANAGEMENT CLINIC
WATFORD CITY, ND 58854
McKenzie County (701) 842-3000
DR. GARY W RAMAGE M.D.
General Practice
709 4TH AVE NE
WATFORD CITY, ND 58854
McKenzie County (701) 842-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Matthew Maunu's NPI number?

The NPI number for Matthew Maunu is 1881684546. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Matthew Maunu located?

Matthew Maunu practices at 709 4th Ave NE, Watford City, ND 58854. The listed phone number is (701) 842-3000.

What is Matthew Maunu's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Matthew Maunu enrolled in Medicare?

Yes. Matthew Maunu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Matthew Maunu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Maunu reassigns Medicare benefits to Mckenzie County Healthcare Systems Inc (Watford City, ND). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Matthew Maunu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Maunu accept?

Health plans from Blue Cross Blue Shield of North Dakota and Providence Health Plan list Matthew Maunu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Matthew Maunu affiliated with any hospitals?

According to CMS data, Matthew Maunu is affiliated with St Peters Health, Barrett Hospital & Healthcare and Mckenzie County Healthcare Systems Inc.

When was this NPI record last updated?

The NPPES record for Matthew Maunu was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.