Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DONALD A DUNCAN
NPI 1720063266
Internal Medicine - Nephrology in St Louis Park, MN

Active since December 07, 2005
6490 EXCELSIOR BLVD, SUITE W300, ST LOUIS PARK, MN 55426(952) 993-3265 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Donald A Duncan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DONALD A DUNCAN (NPI 1720063266) is an individual nephrology provider in St Louis Park, Minnesota, licensed in Minnesota (15838) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1720063266
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDONALD A DUNCAN
Location Address6490 EXCELSIOR BLVD, SUITE W300St Louis Park, MN 55426-4705
Mailing Address6465 Wayzata Blvd, Suite 315St Louis Park, MN 55426-1728
Sole ProprietorNo
Enumeration DateDecember 7, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1720063266 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in MN · 15838
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
6490 EXCELSIOR BLVD, St Louis Park, MN 55426

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Pulmonary Disease)
6490 EXCELSIOR BLVD, SUITE W300
ST LOUIS PARK, MN 55426
Physician Assistant
6490 EXCELSIOR BLVD, STE E400
ST LOUIS PARK, MN 55426
Physician Assistant
6490 EXCELSIOR BLVD, STE W200
ST LOUIS PARK, MN 55426
Specialist/Technologist, Other (Surgical Technologist)
6490 EXCELSIOR BLVD, SUITE E400
ST LOUIS PARK, MN 55426
Psychiatry & Neurology (Neurology)
6490 EXCELSIOR BLVD, STE E500
ST LOUIS PARK, MN 55426
Pharmacist
6490 EXCELSIOR BLVD
ST LOUIS PARK, MN 55426
Psychologist
6490 EXCELSIOR BLVD, # E315
ST LOUIS PARK, MN 55426
Occupational Therapist
6490 EXCELSIOR BLVD, SUITE E400 REHAB SERVICES
ST LOUIS PARK, MN 55426

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald Duncan's NPI number?

The NPI number for Donald Duncan is 1720063266. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Where is Donald Duncan located?

Donald Duncan practices at 6490 Excelsior Blvd Suite W300, St Louis Park, MN 55426. The listed phone number is (952) 993-3265.

What is Donald Duncan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for Donald Duncan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.