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

Alan K Duncan, MD

Individual provider Internal Medicine Physician · NPI 1801875745

Alan K Duncan, MD is an Internal Medicine Physician in Rochester, Minnesota. Licensed in Minnesota. Registered with an NPI since 2006.

Licensed in
MN
In the registry since
2006
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

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 37872 (MN)

Record details

NPI number1801875745
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 10, 2006
Last updated in NPPESJuly 13, 2026

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