Ashley Tollefson, MD
NPI 1891228508 · Anesthesiology Physician · Kirkland, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Tollefson, MD is a Anesthesiology Physician provider in Kirkland, WA (NPI 1891228508).
Provider details
- NPI number
- 1891228508
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs 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
- 2017-04-10
- Last updated
- 2022-01-11
- Certified
- 2022-01-11
Frequently asked questions
- What is Ashley Tollefson's NPI number?
- Ashley Tollefson's National Provider Identifier (NPI) is 1891228508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Tollefson's specialty?
- Ashley Tollefson is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ashley Tollefson located?
- Ashley Tollefson's practice location on file with NPPES is 12040 Ne 128th St, Kirkland, WA 98034-3013.
- What is Ashley Tollefson's phone number?
- The practice phone number listed in the NPPES registry for Ashley Tollefson is (425) 899-3455.
- Does Ashley Tollefson accept Medicare?
- Ashley Tollefson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Tollefson's NPI active?
- Yes — Ashley Tollefson's NPI (1891228508) is active in the NPPES registry as of the last update on 2022-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.