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JONATHAN JUSTAN WILLIAMSON
NPI 1487451324
Physician Assistant in Grand Junction, CO

Active since February 27, 2025
1100 NORTH AVE, GRAND JUNCTION, CO 81501(509) 919-9633 Get Directions Write a Review

NPPES record last updated: February 27, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jonathan Justan Williamson NPPES

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

JONATHAN JUSTAN WILLIAMSON (NPI 1487451324) is an individual physician assistant in Grand Junction, Colorado and active in the NPI registry since February 2025.

NPPES Registry Identity

NPI1487451324
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameJONATHAN JUSTAN WILLIAMSON
Location Address1100 NORTH AVEGrand Junction, CO 81501-3122
Mailing Address1100 North AveGrand Junction, CO 81501-3122
Phone(509) 919-9633
Sole ProprietorNo
Enumeration DateFebruary 27, 2025
NPPES CertifiedFebruary 27, 2025
✔ NPI 1487451324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1100 NORTH AVE, Grand Junction, CO 81501
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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.

SOPHIA EVE WENGIER
Physician Assistant
1100 NORTH AVE
GRAND JUNCTION, CO 81501
Mesa County (805) 896-2545
MINDY HILL
Physician Assistant
1100 NORTH AVE
GRAND JUNCTION, CO 81501
Mesa County (970) 248-1020
HANNAH DENTON
Physician Assistant
1100 NORTH AVE
GRAND JUNCTION, CO 81501
Mesa County (530) 219-9333
JACKSON HARRIS
Physician Assistant
1100 NORTH AVE
GRAND JUNCTION, CO 81501
Mesa County (970) 248-1020
GLYNNIS LEIGH PIERCE
Physician Assistant
1100 NORTH AVE
GRAND JUNCTION, CO 81501
Mesa County (970) 248-2263
DELAINY SZMYD
Physician Assistant
1100 NORTH AVE
GRAND JUNCTION, CO 81501
Mesa County (970) 248-2263
VINCENT LENZI
Specialist/Technologist (Athletic Trainer)
1100 NORTH AVE
GRAND JUNCTION, CO 81501
Mesa County (970) 248-1020
OLIVIA THOMAS
Physician Assistant
1100 NORTH AVE
GRAND JUNCTION, CO 81501
Mesa County (970) 248-1020

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 Jonathan Williamson's NPI number?

The NPI number for Jonathan Williamson is 1487451324. It was assigned to this individual provider in the NPPES registry on February 27, 2025.

Where is Jonathan Williamson located?

Jonathan Williamson practices at 1100 North Ave, Grand Junction, CO 81501. The listed phone number is (509) 919-9633.

What is Jonathan Williamson's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Jonathan Williamson was last updated on February 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.