Mary Lasley, M.D.
NPI 1396787925 · Allergy & Immunology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lasley, M.D. is a Allergy & Immunology Physician provider in Seattle, WA (NPI 1396787925).
Provider details
- NPI number
- 1396787925
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD00034202 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2006-06-11
- Last updated
- 2019-09-03
Frequently asked questions
- What is Mary Lasley's NPI number?
- Mary Lasley's National Provider Identifier (NPI) is 1396787925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lasley's specialty?
- Mary Lasley is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Lasley located?
- Mary Lasley's practice location on file with NPPES is 9725 3rd Ave Ne Ste 500, Seattle, WA 98115-2024.
- What is Mary Lasley's phone number?
- The practice phone number listed in the NPPES registry for Mary Lasley is (206) 527-1200.
- Does Mary Lasley accept Medicare?
- Mary Lasley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lasley's NPI active?
- Yes — Mary Lasley's NPI (1396787925) is active in the NPPES registry as of the last update on 2019-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.