Margaret Lynn Larson, ARNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AP30007129 Issued in WA

Practice address

64 Rainier Ave S
Renton, WA 98057-2047

Phone

(888) 405-6396

Fax

(415) 252-7176

NPI assigned

Aug 14, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Iora Health Washington Physicians PCGroup PAC ID 1355614421, 36 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Valley Medical Center Hospital, Renton, WA, CCN 500088
• Tacoma General Allenmore Hospital Hospital, Tacoma, WA, CCN 500129
• Multicare Covington Medical Center Hospital, Covington, WA, CCN 500154
• Highline Medical Center Hospital, Burien, WA, CCN 500011

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Iora Health Washington Physicians, P.C.

  • Internal Medicine Physician
  • Federal Way, WA
  • NPI 1023547072
  Medicare reassignment Care Compare group NPD
• Iora Senior Health, LLC

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1710386545
  Medicare reassignment NPD
• Lewis County Hospital District No. 1

  • Emergency Medicine Physician
  • Morton, WA
  • NPI 1205882909
  Medicare reassignment NPD
• Multicare Health System

  • Neurological Surgery Physician
  • Tacoma, WA
  • NPI 1497766638
  Medicare reassignment NPD
• Iora Health Washington Physicians, P.C.

  • Internal Medicine Physician
  • Tacoma, WA
  • NPI 1053805721
  NPD
• Iora Health Washington Physicians, P.C.

  • Internal Medicine Physician
  • Puyallup, WA
  • NPI 1053805739
  NPD
• Lewis County Hospital District No. 1

  • Rural Health Clinic/Center
  • Packwood, WA
  • NPI 1497466494
  NPD
• Multicare Health System

  • Community/Retail Pharmacy
  • Spokane, WA
  • NPI 1396594875
  NPD
• Multicare Health System

  • Family Medicine Physician
  • Tacoma, WA
  • NPI 1750833844
  NPD
• Iora Senior Health, LLC

  • Internal Medicine Physician
  • Phoenix, AZ
  • NPI 1659790921
  NPD
• Iora Senior Health, LLC

  • Internal Medicine Physician
  • Arvada, CO
  • NPI 1760867428
  NPD
• Roger K Larson MD PS

  • Family Medicine Physician
  • Burien, WA
  • NPI 1093708422
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Highline Medical Center

  • General Acute Care Hospital
  • Burien, WA
  • NPI 1558333682
  Care Compare affiliation
• Multicare Health System

  • General Acute Care Hospital
  • Covington, WA
  • NPI 1326564071
  Care Compare affiliation
• Multicare Health System

  • General Acute Care Hospital
  • Tacoma, WA
  • NPI 1366556227
  Care Compare affiliation
• Public Hospital District 1 of King County

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1649209230
  Care Compare affiliation
• Valley Medical Group-Renton

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1619209574
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1155513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1699788539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "64 RAINIER AVE S",
            "city": "RENTON",
            "state": "WA",
            "postal_code": "980572047",
            "telephone_number": "888-405-6396",
            "fax_number": "415-252-7176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "64 RAINIER AVE S",
            "city": "RENTON",
            "state": "WA",
            "postal_code": "980572047",
            "telephone_number": "888-405-6396",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "202 N Division St Ste 301",
            "address_purpose": "LOCATION",
            "city": "Auburn",
            "state": "WA",
            "postal_code": "980014939",
            "country_code": "US",
            "telephone_number": "253-876-7997",
            "fax_number": "253-876-8015",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LARSON",
        "first_name": "MARGARET",
        "middle_name": "LYNN",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-14",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "AP30007129",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP30007129",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Linda Laplante
• Erica Lauren Laporte, M.S.
• Angelica-Louise Borlaza Lapus, SLP
• Sophia Lara
• Larry L. Beach, O. D. P. S.
• Mahdieh Lashgari, RPH
• Samantha Lassoff
• Latch & Flow Lactation, PLLC
• Gary Lathrop
• Heather C Latvala

• Family Nurse Practitioner in Renton, WA
• Providers in Renton, WA by specialty
• Family Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.