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Brett Lassinger, MD
NPI 1154397578 · Pediatrics Physician · Everett, WA
Brett Lassinger, MD is a Pediatrics Physician provider in Everett, WA (NPI 1154397578).
Provider details
- NPI number
- 1154397578
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33968 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
3901 Hoyt Ave
Everett, WA 98201-4918
Phone: (425) 259-0966
Street-level locationGet directions
Mailing address
Po Box 5127
Everett, WA 98206-5127
Registry dates
- Enumerated
- 2006-02-25
- Last updated
- 2016-03-15
Frequently asked questions
- What is Brett Lassinger's NPI number?
- Brett Lassinger's National Provider Identifier (NPI) is 1154397578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Lassinger's specialty?
- Brett Lassinger is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Brett Lassinger located?
- Brett Lassinger's practice location on file with NPPES is 3901 Hoyt Ave, Everett, WA 98201-4918.
- What is Brett Lassinger's phone number?
- The practice phone number listed in the NPPES registry for Brett Lassinger is (425) 259-0966.
- Is Brett Lassinger's NPI active?
- Yes — Brett Lassinger's NPI (1154397578) is active in the NPPES registry as of the last update on 2016-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.