Doctor profile · Federal record

Dr. Marie Schaaf, PH.D.

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Clinical Psychologist · Bismarck, ND

  • NPI 1811328800
  • Accepts Medicare
  • MIPS 84.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4535 Northern Sky Dr
Bismarck, ND 585038538
(701) 323-8700
Mailing address
Po Box 5074
Sioux Falls, SD 571175074

Credentials & registration

NPPES · NUCC
NPI registered
December 2013 — 13 yrs on file
Profile last updated
February 26, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
Montana #PSY-PSY-LIC 1304

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811328800. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
571
Distinct HCPCS
5
Medicare allowed
$28,260
HCPCS Description Services Patients Avg allowed
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes 360 45 $35
96133 Evaluation of neuropsychological test, each additional hour 70 47 $76
96116 Exam of neurobehavioral status, first hour 48 48 $78
96132 Evaluation of neuropsychological test, first hour 48 47 $105
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 45 45 $34

In context: peer comparison

Among 2 peers in Bismarck Clinical Neuropsychologist, average services per provider: 160. This provider delivers 3.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marie Schaaf's medical specialty?
Dr. Marie Schaaf practices Clinical Neuropsychologist in Bismarck, ND.
Where does Dr. Marie Schaaf practice?
Dr. Marie Schaaf practices at 4535 Northern Sky Dr, Bismarck, ND 585038538. Office phone: 7013238700.
What is Dr. Marie Schaaf's NPI?
Dr. Marie Schaaf's National Provider Identifier (NPI) is 1811328800, issued by NPPES.
Does Dr. Marie Schaaf accept Medicare assignment?
Yes. Dr. Marie Schaaf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marie Schaaf commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test by technician (HCPCS 96139); Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Exam of neurobehavioral status, first hour (HCPCS 96116). Source: CMS Medicare Physician & Other Practitioners file.