DR. JOSEPH R WILLETT DO
NPI 1558337865
Internal Medicine in Marshall, MN

Active since February 27, 2006
300 SOUTH BRUCE ST, MARSHALL, MN 56258(507) 532-9631(507) 532-1176 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Dr. Joseph R Willett Do NPPES

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

DR. JOSEPH R WILLETT DO (NPI 1558337865) is an individual internal medicine provider in Marshall, Minnesota, licensed in Minnesota (34362) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1558337865
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOSEPH R WILLETTCredential: DO
Location Address300 SOUTH BRUCE STMarshall, MN 56258
Mailing Address300 South Bruce StMarshall, MN 56258 · (507) 532-9631 · Fax (507) 532-1905
Fax(507) 532-1176
Sole ProprietorNo
Enumeration DateFebruary 27, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1558337865 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MN · 34362
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
300 SOUTH BRUCE ST, Marshall, MN 56258

Other Providers at the Same Location NPPES

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

Obstetrics & Gynecology
300 SOUTH BRUCE ST
MARSHALL, MN 56258

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 Joseph Willett's NPI number?

The NPI number for Joseph Willett is 1558337865. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Joseph Willett located?

Joseph Willett practices at 300 South Bruce St, Marshall, MN 56258. The listed phone number is (507) 532-9631.

What is Joseph Willett's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Joseph Willett 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 2 months 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.