Marion Arthur Fossum, MD

Education & affiliations

Medical / professional school

Not reported in this file

Graduation year

2016

CMS specialties

Neurology · Neuropsychiatry

CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.

Practice groups

• Franciscan Physician Network →
• Freeman-Oak Hill Health System →
• Hannibal Regional Healthcare System Inc →
• Hendricks County Hospital →
• Multicare Health System →
• Novant Health Medical Group, Llc →

Reported hospital affiliations

• Franciscan Health Lafayette →Lafayette, IN
• Freeman Health System - Freeman West →Joplin, MO
• Freeman Neosho Hospital →Neosho, MO
• Hannibal Regional Hospital →Hannibal, MO
• Novant Health Rowan Medical Center →Salisbury, NC

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Industry-reported general payments

No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.