Physician Profile
Matthew Trefz, MD practices pediatric cardiology in Fargo, ND. Matthew is a 2003 graduate of Sanford School of Medicine of University of South Dakota. Matthew is also listed as specializing in pediatrics. Medicare claims data shows Matthew provided 97 services to 93 patients. The services billed most often include ultrasound of heart with color-depicted blood flow, rate and valve function, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and ultrasound of heart blood flow, valves and chambers, follow-up.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
801 BROADWAY N
Fargo, ND 58102
Within Pediatric Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Blood Pressure
Cardiomyopathy
Chest symptoms
Congenital heart defects
Genetic heart conditions
Heart emergencies
Heart inflammation
Heart Muscle
Heart Rhythm
Heart rhythm disorders
Heart valve conditions
Inflammatory & Infection
Lipids & Preventive
Oxygen & Circulation
Structural Heart
Symptoms
Most searched procedures
Arrhythmia procedures
Bedside and emergency procedures
Catheter procedures
Critical care
Device management
Diagnostic Testing
Diagnostic tests
Heart Monitors
Heart surgery
Preventive consultations
Screening & Consultations
Surgeries & Interventions
Surgical devices
Therapy & Rehab
Ultrasound & Imaging
97 services · 93 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
21 | More often than most peers in Pediatric Cardiology |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
19 | |
| Ultrasound of heart for congenital defect, follow-up | Treatment | 93304 |
19 | |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
19 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 | As often as other peers in Pediatric Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Trefz is a pediatric cardiology in Fargo, ND. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Trefz is listed at 801 Broadway N, Fargo, ND 58102. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (701) 234-2568. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Trefz's National Provider Identifier is 1376735035. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Trefz attended Sanford School of Medicine of University of South Dakota, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Dr. Trefz has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Trefz provides treatments such as ultrasound of heart with color-depicted blood flow, rate and valve function and ultrasound of heart blood flow, valves and chambers, follow-up, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Trefz. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.