Kathryn Sullivan
NPI 1518758689 · Physician Assistant · Boulder, CO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Sullivan is a Physician Assistant provider in Boulder, CO (NPI 1518758689).
Provider details
- NPI number
- 1518758689
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- 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
- 2025-05-16
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is Kathryn Sullivan's NPI number?
- Kathryn Sullivan's National Provider Identifier (NPI) is 1518758689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Sullivan's specialty?
- Kathryn Sullivan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Sullivan located?
- Kathryn Sullivan's practice location on file with NPPES is 5556 Spine Rd Unit 305, Boulder, CO 80301-3585.
- What is Kathryn Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Sullivan is (401) 258-4381.
- Does Kathryn Sullivan accept Medicare?
- Kathryn Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Sullivan's NPI active?
- Yes — Kathryn Sullivan's NPI (1518758689) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.