Margaret Larson, ARNP
Registered Nurse · Renton, WA
Margaret Larson, ARNP is a registered nurse with a practice address in Renton, Washington, and NPI 1699788539, issued on Aug 14, 2006. Check the license (Washington AP30007129, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Larson
- Credential
- ARNP
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- AP30007129 WA
Self-reported in NPPES; status is on the state search - Practice location
- 64 Rainier Ave S, Renton, WA 98057
- Phone
- (888) 405-6396
- Enumerated
- Aug 14, 2006
- Entity
- Type 1 · individual
Also registered at 64 Rainier Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Adam, MDInternal Medicine Physician1700812237
- Ashley Bieker, M.D.Obstetrics & Gynecology Physician1790120608
- Lee Burnside, M.D.Geriatric Medicine (Internal Medicine) Physician1497744684
- Leah Marcotte, M.D.Internal Medicine Physician1962778951
- Ashley McCoy, PAPhysician Assistant1437792033
Verify Margaret Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP30007129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
27% fewer Medicare Part D claims than the average registered nurse in 2024
773 Medicare Part D claims for 363 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Amlodipine Besylate28 claims
- Atorvastatin Calcium23 claims
- Levothyroxine Sodium23 claims
- Azithromycin21 claims
- Hydrocodone-Acetaminophen19 claims
- Lisinopril19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
2 hospital and facility affiliations
- Iora Health Washington Physicians PCRenton, WA
- Multicare Health SystemAuburn, WA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
134 registered nurse records list a Renton practice address
They are 134 of the 3,147 NPPES records with a Renton practice address, and 7,077 registered nurse records in Washington.
All 134 in Renton → All 7,077 in Washington → Every provider in Renton →
Other registered nurse records in Washington
- Donald Aakervik, RNVancouver, WA1033640123
- Tamryn Aalvik, RNKent, WA1629506217
- Isaac AanensonSpokane, WA1821535972
- Anna Aarhus, RNRenton, WA1346507779
- Victoria Aase, RNKelso, WA1033789474
- Farangis Abab, RNSeattle, WA1639473408
- Ibrahim AbakporoEverett, WA1982463592
- Mylin AbalusPuyallup, WA1881487288
- Awet Abbera, RNKirkland, WA1629895230
- Tina AbbinkOmak, WA1659424778
Common questions
What is Margaret Larson, ARNP's NPI number?
Margaret Larson, ARNP's National Provider Identifier (NPI) is 1699788539, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Larson, ARNP located?
The NPPES record lists a practice address at 64 Rainier Ave S, Renton, WA, 98057. Phone: (888) 405-6396. Providers update this record themselves, so call before visiting.
How can I verify Margaret Larson, ARNP's license?
NPPES lists Washington license number AP30007129, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Larson, ARNP prescribe under Medicare Part D?
In 2024, Margaret Larson, ARNP had 773 Medicare Part D claims for 363 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.