Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Margaret Lynn Larson, ARNP

Individual provider Registered Nurse · NPI 1699788539

Margaret Lynn Larson, ARNP is a Nurse Practitioner in Renton, Washington. Qualified in 2004, 22 years ago. Practices with Multicare Health System, a 2,302-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
22
Licensed in
WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

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Practice location Address checks out

64 Rainier Ave S
Renton, WA 98057-2047
Phone: (888) 405-6396
Fax: (415) 252-7176
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 202 N Division St Ste 301, Auburn, WA 98001-4939 — (253) 876-7997

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AP30007129 (WA)
Registered Nurse Taxonomy 163W00000X · Licence AP30007129 (WA)

Record details

NPI number1699788539
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESAugust 18, 2025
Certification dateAugust 18, 2025
Mailing address64 Rainier Ave S, Renton, WA 98057-2047

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Multicare Health System — 2302 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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