Jonathan Williamson
NPI 1487451324 · Physician Assistant · Grand Junction, CO
Jonathan Williamson is a Physician Assistant provider in Grand Junction, CO (NPI 1487451324).
Provider details
- NPI number
- 1487451324
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-02-27
- Last updated
- 2025-02-27
- Certified
- 2025-02-27
Frequently asked questions
- What is Jonathan Williamson's NPI number?
- Jonathan Williamson's National Provider Identifier (NPI) is 1487451324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Williamson's specialty?
- Jonathan Williamson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jonathan Williamson located?
- Jonathan Williamson's practice location on file with NPPES is 1100 North Ave, Grand Junction, CO 81501-3122.
- What is Jonathan Williamson's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Williamson is (509) 919-9633.
- Is Jonathan Williamson's NPI active?
- Yes — Jonathan Williamson's NPI (1487451324) is active in the NPPES registry as of the last update on 2025-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.