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

Jeffrey Mark Wiisanen, MD

Individual provider Internal Medicine Physician · NPI 1306282025

Jeffrey Mark Wiisanen, MD is a Hematology in Fargo, North Dakota. Graduated from University of North Dakota School of Medicine in 2013, 13 years ago. Practices with Sanford Medical Center Fargo, a 1,212-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
13
Trained at
University of North Dakota School of Medicine
Licensed in
MN
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

820 4th St N
Fargo, ND 58102-4539
Phone: (701) 234-6161
Fax: (701) 234-7592
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 58264 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 58264 (MN)

Record details

NPI number1306282025
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 21, 2013
Last updated in NPPESSeptember 17, 2019

Medicare enrollment

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

Medicare specialtyHEMATOLOGY
Medical schoolUNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Sanford Medical Center Fargo — 1212 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Fargo