Internal Medicine, Medical Oncology
MARK FESEN MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1639149545 · enumerated 2006-01-24 · record updated 2024-10-10. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 204 CLEVELAND ST, GREAT BEND, KS, 67530-3563 (620) 792-5511 Fax (620) 792-5977 Google Maps Apple Maps OpenStreetMap
- Mailing address PO BOX 256, SALINA, KS, 67402-0256 (785) 823-0633 Fax (785) 823-0658 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine, Medical Oncology 207RX0202X · Primary · License 04-24425 KS
In this directory
KS Barton County Great Bend Internal Medicine, Medical Oncology
Locations and evidence
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Practice location
GREAT BEND, KS, 675303563
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.