Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Joann Marie Leahy, MD

Individual provider Radiation Oncology Physician · NPI 1972571032

MS. Joann Marie Leahy, MD is a Radiation Oncology Physician in Bismarck, North Dakota. Licensed in North Dakota and Pennsylvania. Registered with an NPI since 2006.

Licensed in
ND, PA
In the registry since
2006
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

500 N 8th St
Bismarck, ND 58501-4445
Phone: (701) 222-6102
Fax: (701) 222-6150
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 10728 (ND)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence MD027824E (PA)

Record details

NPI number1972571032
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESMarch 26, 2008

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