Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Duncan Ross Mcgregor

Nephrology Physician in Grand Junction, CO · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1144409483

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Registry record

Entity type Individual (Type 1)

Name Dr. Duncan Ross Mcgregor

Sex Male

Practice address 2635 N 7th St, 4 Center, Grand Junction, CO, 81501

Phone (970) 298-7106

Fax (970) 298-7177

Enumeration date Nov 2, 2007

Last updated in NPPES Oct 8, 2019

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License MD155191 (OR) Secondary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 60492261205 (UT) Secondary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 0058559 (CO) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Duncan Mcgregor practice?

The practice location on file with NPPES is in Grand Junction, CO. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Duncan Mcgregor?

The National Provider Identifier (NPI) for Duncan Mcgregor is 1144409483, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-08.