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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. WILLIAM FREDERIC NORTHRUP III M.D.
NPI 1265496343
Surgery in White Bear Lake, MN

Active since April 14, 2006
4770 WHITE BEAR PKWY, LOWER LEVEL, WHITE BEAR LAKE, MN 55110(651) 653-1850(651) 426-6439 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Frederic Northrup Iii M.d. NPPES

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

DR. WILLIAM FREDERIC NORTHRUP III M.D. (NPI 1265496343) is an individual surgery provider in White Bear Lake, Minnesota, licensed in Minnesota (20586) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1265496343
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. WILLIAM FREDERIC NORTHRUP IIICredential: M.D.
Location Address4770 WHITE BEAR PKWY, LOWER LEVELWhite Bear Lake, MN 55110-3394
Mailing Address4702 Lakeview DrMinneapolis, MN 55424-1520 · (925) 926-6913 · Fax (651) 426-6439
Phone(651) 653-1850
Fax(651) 426-6439
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1265496343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MN · 20586
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
4770 WHITE BEAR PKWY, White Bear Lake, MN 55110
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Other Identifiers 6

Other18-00157MN · Medica
Other108709MN · Ucare
Other109263MN · Healthpartners
Other536K0NOMN · Blue Cross Blue Shield Mn
Other202741675 55110 A001MN · Tricare
OtherA57110010519MN · Preferred One

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 William Northrup's NPI number?

The NPI number for William Northrup is 1265496343. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is William Northrup located?

William Northrup practices at 4770 White Bear Pkwy Lower Level, White Bear Lake, MN 55110. The listed phone number is (651) 653-1850.

What is William Northrup's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for William Northrup 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 22 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.