NPPES file of Aug 9, 2026

Greta Katherine Larson, ARNP

Family Nurse Practitioner · Gresham, OR

Greta Katherine Larson, ARNP is a family nurse practitioner with a practice address in Gresham, Oregon, and NPI 1619204583, issued on Nov 12, 2009. Check the license (Oregon 201391240NP-PP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619204583
Name
Greta Katherine Larson
Credential
ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
201391240NP-PP OR
Self-reported in NPPES; status is on the state search
Practice location
440 NW Division St, Gresham, OR 97030
Phone
(503) 215-9500
Enumerated
Nov 12, 2009
Record last updated
Mar 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
500660728 OR
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 440 NW Division St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Caroline Adams, MDFamily Medicine Physician1164840815
  2. Robert Bailey, MDInternal Medicine Physician1346288123
  3. Kevin Carpenter, MDFamily Medicine Physician1578509980
  4. James Chong, DOFamily Medicine Physician1821245788
  5. Sunita Deshmukh, MDInternal Medicine Physician1730133679
  6. Daniel Dowling, PSY.D.Clinical Psychologist1992014120

Verify Greta Katherine Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 201391240NP-PP    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

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9% fewer Medicare Part D claims than the average family nurse practitioner in 2024

1,190 Medicare Part D claims for 419 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 40 claims were for opioids.

  1. Greta Larson1,190
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium66 claims
  2. Levothyroxine Sodium60 claims
  3. Lisinopril40 claims
  4. Omeprazole40 claims
  5. Amlodipine Besylate38 claims
  6. Metoprolol Succinate36 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.

42 family nurse practitioner records list a practice address in Gresham

They are 42 of the 1,934 NPPES records with a practice address in Gresham, and 2,384 family nurse practitioner records in Oregon.

All 42 in Gresham → All 2,384 in Oregon → Every provider in Gresham →

Other family nurse practitioner records in Oregon

  1. April Abaecherli-Shore, FNP-CGresham, OR1881060267
  2. Leslie Abbott, FNPRoseburg, OR1700217064
  3. Samantha Abbott, FNPMilwaukie, OR1043855257
  4. Tristin Accuardi, DNP-FNPAstoria, OR1366970758
  5. Bonita Acosta, FNPCanyonville, OR1295882512
  6. Melissa Adair, ARNPPortland, OR1023590197
  7. Erika Adams, FNP-CJohn Day, OR1174163356
  8. Phyllis AdjeiCorvallis, OR1699220491
  9. Lindsey Adkisson, DNP, FNP-BCEugene, OR1386266450
  10. Alyssa Anthea Adriano, DNP, FNP-C, BSN-RNPortland, OR1346727179

Common questions

What is Greta Katherine Larson, ARNP's NPI number?

Greta Katherine Larson, ARNP's National Provider Identifier (NPI) is 1619204583, issued on Nov 12, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Greta Katherine Larson, ARNP located?

The NPPES record lists a practice address at 440 NW Division St, Gresham, OR, 97030. Phone: (503) 215-9500. Providers update this record themselves, so call before visiting.

How can I verify Greta Katherine Larson, ARNP's license?

NPPES lists Oregon license number 201391240NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Greta Katherine Larson, ARNP prescribe under Medicare Part D?

In 2024, Greta Katherine Larson, ARNP had 1,190 Medicare Part D claims for 419 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.