Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Marie Schaaf, PHD

Individual provider Clinical Psychologist · NPI 1811328800

Dr. Marie Schaaf, PHD is a Clinical Psychologist in Bismarck, North Dakota. Qualified in 2011, 15 years ago. Practices with Sanford Bismarck, a 561-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
15
Licensed in
MT
In the registry since
2013
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

4535 Northern Sky Dr
Bismarck, ND 58503-8538
Phone: (701) 323-8700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X
Clinical Psychologist Taxonomy 103TC0700X · Licence PSY-PSY-LIC 1304 (MT)

Record details

NPI number1811328800
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 2, 2013
Last updated in NPPESFebruary 26, 2025
Certification dateFebruary 26, 2025
Mailing addressPo Box 5074, Sioux Falls, SD 57117-5074

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Sanford Bismarck — 561 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Bismarck