Kathryn Elizabeth Sullivan
Physician Assistant · Boulder, CO
Kathryn Elizabeth Sullivan is a physician assistant with a practice address in Boulder, Colorado, and NPI 1518758689, issued on May 16, 2025. Check the license with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Elizabeth Sullivan
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 5556 Spine RD Unit 305, Boulder, CO 80301
- Phone
- (401) 258-4381
- Enumerated
- May 16, 2025
- Record last updated
- May 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20251024002276); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Verify Kathryn Elizabeth Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Bouldercentre For Orthopedics PCBoulder, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Elizabeth Sullivan among 3,767 physician assistant records in Colorado
Kathryn Elizabeth Sullivan is one of 3,767 physician assistant records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 94% of them.
- NPI issued2025 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2025 · median 2017 among the 2,351 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
100 physician assistant records list a practice address in Boulder
They are 100 of the 5,635 NPPES records with a practice address in Boulder, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Boulder → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Cheryl Blackwood, PA-CBoulder, CO 803011750713095
- Hannah Brickse, PA-CBoulder, CO 803011558751354
- Georgianne Cotton, PABoulder, CO 803011871951194
- Cheryl Grasmick, P.A.Boulder, CO 803011417930314
- Timothy Graves, PA-CBoulder, CO 803011780865824
- Sue Griffith, P.A.Boulder, CO 803011134103286
- Lindsey Gunay, PA-CBoulder, CO 803011568855575
- Laura Hundemann, PA-CBoulder, CO 803011386919793
Common questions
What is Kathryn Elizabeth Sullivan's NPI number?
Kathryn Elizabeth Sullivan's National Provider Identifier (NPI) is 1518758689, issued on May 16, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Elizabeth Sullivan located?
The NPPES record lists a practice address at 5556 Spine RD Unit 305, Boulder, CO, 80301. Phone: (401) 258-4381. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Elizabeth Sullivan's license?
Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.