Margaret L Larson Arnp PLLC
NPI 1013227792 · Family Medicine Physician · Burien, WA
Margaret L Larson Arnp PLLC is a Family Medicine Physician organization in Burien, WA (NPI 1013227792).
Provider details
- NPI number
- 1013227792
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Margaret Larson, Owner(206) 244-5477
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
15 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
- 2010-10-15
- Last updated
- 2014-05-12
Frequently asked questions
- What is Margaret L Larson Arnp PLLC's NPI number?
- Margaret L Larson Arnp PLLC's National Provider Identifier (NPI) is 1013227792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Margaret L Larson Arnp PLLC?
- Margaret L Larson Arnp PLLC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret L Larson Arnp PLLC located?
- Margaret L Larson Arnp PLLC's practice location on file with NPPES is 16233 Sylvester Rd Sw, Burien, WA 98166-3045.
- What is Margaret L Larson Arnp PLLC's phone number?
- The practice phone number listed in the NPPES registry for Margaret L Larson Arnp PLLC is (206) 244-5477.
- Who is the authorized official for Margaret L Larson Arnp PLLC?
- The authorized official listed on Margaret L Larson Arnp PLLC's NPPES record is Margaret Larson, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Margaret L Larson Arnp PLLC's NPI active?
- Yes — Margaret L Larson Arnp PLLC's NPI (1013227792) is active in the NPPES registry as of the last update on 2014-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.