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

Robert Dana Leff

Individual provider Rheumatology Physician · NPI 1497789903

Robert Dana Leff is a Rheumatology Physician in Duluth, Minnesota. Licensed in Minnesota. Registered with an NPI since 2006.

Licensed in
MN
In the registry since
2006

Practice location Address checks out

400 E 3rd St
Duluth, MN 55805-1951
Phone: (218) 786-8364
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 26752 (MN)

Record details

NPI number1497789903
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESMay 10, 2011
Mailing address400 E 3rd St, Duluth, MN 55805-1951

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