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

DR. DOUGLAS EDWARD WEIR M.D.
NPI 1144261389
Internal Medicine in Essex Junction, VT

Active since June 09, 2006
1000 RIVER ST, 9651H, ESSEX JUNCTION, VT 05452(802) 769-2951(802) 769-2088 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. Douglas Edward Weir M.d. NPPES

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

DR. DOUGLAS EDWARD WEIR M.D. (NPI 1144261389) is an individual internal medicine provider in Essex Junction, Vermont, licensed in Vermont (042-0006942) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1144261389
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DOUGLAS EDWARD WEIRCredential: M.D.
Location Address1000 RIVER ST, 9651HEssex Junction, VT 05452-4201
Mailing Address1000 River St, 9651hEssex Junction, VT 05452-4201 · (802) 769-2951 · Fax (802) 769-2088
Phone(802) 769-2951
Fax(802) 769-2088
Sole ProprietorNo
Enumeration DateJune 9, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1144261389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in VT · 042-0006942✔ Licensed in NY · 217788-1
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.
1000 RIVER ST, Essex Junction, VT 05452
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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 Douglas Weir's NPI number?

The NPI number for Douglas Weir is 1144261389. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is Douglas Weir located?

Douglas Weir practices at 1000 River St 9651H, Essex Junction, VT 05452. The listed phone number is (802) 769-2951.

What is Douglas Weir'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 Douglas Weir 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 25 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.