Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Maryse Mathieu, MD

Individual provider Anesthesiology Physician · NPI 1700971199

Maryse Mathieu, MD practises Anesthesiology in Bismarck, North Dakota. Qualified in 1989, 37 years ago. Practices with St Alexius Medical Center, a 241-clinician group and accepts Medicare assignment. Licensed in North Dakota.

Years since qualifying
37
Licensed in
ND
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

310 N 10th St
Bismarck, ND 58501 Not confirmed with CMS for 18 years — call before visiting
Phone: (701) 530-7500
Fax: (701) 530-7484
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 10146 (ND)

Record details

NPI number1700971199
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESFebruary 29, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice St Alexius Medical Center — 241 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients132
Services billed 165 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Chi St Alexius Health Hospital · Bismarck, ND

Colleagues at St Alexius Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 241 clinicians in the practice; 12 are shown here.

Other providers in Bismarck