MATTHEW TREFZ MD
NPI 1376735035
Pediatrics - Pediatric Cardiology in Fargo, ND
About Matthew Trefz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW TREFZ MD (NPI 1376735035) is an individual pediatric cardiology provider in Fargo, North Dakota, licensed in North Dakota (11160) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Sanford Medical Center Fargo, and is a graduate of Sanford School Of Medicine Of University Of South Dakota (2003).
NPPES Registry Identity
Specialties & Licenses 2
Accepted 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 Trefz 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.
Medicare Billing Reassignments
8Medicare enrollment records show Matthew Trefz reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fargo, ND 58102
- Reassigned Medicare billing, North Dakota and Minnesota enrollments
- Also billed through NPI 1184917924 (Minnesota)
- 1,464 clinicians in this Medicare group
Halstad, MN 56548
- Reassigned Medicare billing, Minnesota enrollment
- 219 clinicians in this Medicare group
Bagley, MN 56621
- Reassigned Medicare billing, Minnesota enrollment
- 607 clinicians in this Medicare group
Princeton, MN 55371
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Bismarck, ND 58504
- Reassigned Medicare billing, North Dakota enrollment
- 779 clinicians in this Medicare group
Minneapolis, MN 55411
- Reassigned Medicare billing, Minnesota enrollment
- 1,453 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 2,373 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 clinicians in this Medicare group
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 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sanford Medical Center Fargo
Acute Care Hospitals · Fargo, NDMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Trefz's NPI number?
The NPI number for Matthew Trefz is 1376735035. It was assigned to this individual provider in the NPPES registry on August 15, 2007.
Where is Matthew Trefz located?
Matthew Trefz practices at 801 Broadway N, Fargo, ND 58102. The listed phone number is (701) 234-2568.
What is Matthew Trefz's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Matthew Trefz enrolled in Medicare?
Yes. Matthew Trefz 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 organizations bill Medicare for Matthew Trefz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Trefz reassigns Medicare benefits to 8 organizations: Sanford Medical Center Fargo (Fargo, ND), Sanford Health Network North (Halstad, MN), Sanford Health Of Northern Minnesota (Bagley, MN), Fairview Express Care (Princeton, MN), Sanford Bismarck (Bismarck, ND) and 3 more organizations, listed in the Medicare section above. Each 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 Trefz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Trefz accept?
Health plans from Blue Cross Blue Shield of North Dakota, Sanford Health Plan and Security Health Plan list Matthew Trefz 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 Trefz affiliated with any hospitals?
According to CMS data, Matthew Trefz is affiliated with Sanford Medical Center Fargo.
When was this NPI record last updated?
The NPPES record for Matthew Trefz was last updated on March 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Matthew Trefz, MD · NPI 1376735035
Pediatric Cardiology physician in Fargo, North Dakota. Individual provider, active in the CMS NPPES registry since August 15, 2007.
## Identity
- **NPI:** 1376735035 (Entity type: Individual)
- **Enumerated:** August 15, 2007
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 11160 (North Dakota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 801 BROADWAY N, Fargo, ND 58102-3641
- **Phone:** (701) 234-2568
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Sanford Medical Center Fargo (NPI 1952323974, Fargo, ND); Sanford Health Network North (NPI 1407882780, Halstad, MN); Sanford Health Of Northern Minnesota (NPI 1972875490, Bagley, MN); Fairview Express Care (NPI 1841673647, Princeton, MN); Sanford Bismarck (NPI 1811941172, Bismarck, ND); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Sanford School Of Medicine Of University Of South Dakota, class of 2003
## Record status
- **NPPES last updated:** March 25, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1376735035) · Data from the CMS NPPES public registry.