Quick answers
- Does Marie A. Schaaf Gallagher accept Medicare assignment?
- Yes. Medicare's clinician data says Marie A. Schaaf Gallagher accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marie A. Schaaf Gallagher see?
- In 2024, CMS data shows 77 Original Medicare patients and 488 services for Marie A. Schaaf Gallagher. This counts Original Medicare only and measures volume, not quality.
- What is Marie A. Schaaf Gallagher's NPI number?
- 1811328800. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marie A. Schaaf Gallagher, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 77 |
|---|---|
| Services billed to Medicare | 488 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Administration of psychological or neuropsychological test by technician, each additional 30 minutes (96139)211 services
- Exam of neurobehavioral status, first hour (96116)73 services
- Evaluation of neuropsychological test, each additional hour (96133)58 services
- Evaluation of neuropsychological test, first hour (96132)52 services
- Administration of psychological or neuropsychological test by technician, first 30 minutes (96138)29 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure68%
- Depression58%
- Arthritis49%
- Anxiety49%
- Ischemic heart disease45%
Hospitals where Marie A. Schaaf Gallagher works
Medicare's Facility Affiliation Data lists Marie A. Schaaf Gallagher at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Sanford Medical Center BismarckBismarck, ND · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 350015
Practice locations
Addresses where Marie A. Schaaf Gallagher is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 N 7th StBismarck, ND 58501 (701) 323‑6000
- 3318 N 14th StBismarck, ND 58503 (701) 323‑8300
- 4535 Northern Sky DrBismarck, ND 58503 (701) 323‑8700
Group practices
Medicare enrollment lists Marie A. Schaaf Gallagher as a member of this group (CMS data updated October 2, 2026).
- Sanford Bismarck556 clinicians in the group
Specialties
- Clinical Psychologistprimary
Find other clinicians: Clinical Psychologist, North Dakota →
Other clinical psychologists in Bismarck
Clinicians with the same Medicare primary specialty in Bismarck, ND — not a recommendation.
Other clinicians in Sanford Bismarck
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811328800 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians