MARGARET LYNN LARSON ARNP
NPI 1699788539
Nurse Practitioner - Family in Renton, WA
About Margaret Lynn Larson Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET LYNN LARSON ARNP (NPI 1699788539) is an individual family provider in Renton, Washington, licensed in Washington (AP30007129) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Highline Medical Center, and maintains a secondary practice location in Auburn.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Margaret Lynn Larson Arnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Highline Medical Center
Acute Care Hospitals · Burien, WAMulticare Auburn Medical Center
Acute Care Hospitals · Auburn, WAValley Medical Center
Acute Care Hospitals · Renton, WATacoma General Allenmore Hospital
Acute Care Hospitals · Tacoma, WAMulticare Covington Medical Center
Acute Care Hospitals · Covington, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98057 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 8
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Margaret Larson's NPI number?
The NPI number for Margaret Larson is 1699788539. It was assigned to this individual provider in the NPPES registry on August 14, 2006.
Where is Margaret Larson located?
Margaret Larson practices at 64 Rainier Ave S, Renton, WA 98057. The listed phone number is (888) 405-6396.
What is Margaret Larson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Larson enrolled in Medicare?
Yes. Margaret Larson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Margaret Larson accept?
Health plans from PacificSource Health Plans and Providence Health Plan list Margaret Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Margaret Larson affiliated with any hospitals?
According to CMS data, Margaret Larson is affiliated with Highline Medical Center, Multicare Auburn Medical Center, Valley Medical Center, Tacoma General Allenmore Hospital and Multicare Covington Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Larson was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
