NPPES file of Aug 9, 2026

Claire O'Neill Larson, PA-C

Physician Assistant · Baxter, MN

Claire O'Neill Larson, PA-C is a physician assistant with a practice address in Baxter, Minnesota, and NPI 1609334200, issued on Mar 4, 2019. Check the license (Minnesota 12961, as entered in NPPES) with the Minnesota 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
1609334200
Name
Claire O'Neill Larson
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
12961 MN
Self-reported in NPPES; status is on the state search
Practice location
13205 Isle Dr, Baxter, MN 56425
Phone
(218) 454-7600
Enumerated
Mar 4, 2019
Record last updated
Oct 28, 2024
Fax
(218) 454-7681
Medicare enrollment
Enrolled (PECOS I20190523001824); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 13205 Isle Dr

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

  1. Ryan Fier, MDFamily Medicine Physician1285078576
  2. Nikita KingMedical Physician Assistant1578315131
  3. Danielle Munsterman, APRN, CNPFamily Nurse Practitioner1053763854
  4. Julie Steinhauser, MDFamily Medicine Physician1427312529
  5. Jamie Westerman, APRN, CNPFamily Nurse Practitioner1700286150

Verify Claire O'Neill Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license 12961
    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 Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% more Medicare Part D claims than the average physician assistant in 2024

1,496 Medicare Part D claims for 319 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Claire Larson1,496
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium113 claims
  2. Lisinopril81 claims
  3. Losartan Potassium64 claims
  4. Amlodipine Besylate63 claims
  5. Simvastatin59 claims
  6. Levothyroxine Sodium42 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.

One hospital affiliation

  1. Cuyuna Regional Medical CenterBaxter, MN · Critical Access Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Claire O'Neill Larson among 4,007 physician assistant records in Minnesota

Claire O'Neill Larson, PA-C is one of 4,007 physician assistant records with a practice address in Minnesota. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 59% of them.

  • NPI issued2019 · 59% of these records are older, 35% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2018 · median 2017 among the 3,131 with a school on file
  • Record last updated2024 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 physician assistant records list a practice address in Baxter

They are 11 of the 583 NPPES records with a practice address in Baxter, and 4,007 physician assistant records in Minnesota.

The 8 physician assistant records with the nearest ZIP codes

  1. Natalie Burdick, PA-CBaxter, MN 564251417364258
  2. Nicole Cole, PA-CBaxter, MN 564251386194462
  3. Michael Didier, PA-CBaxter, MN 564251548776396
  4. Haley Faynik, PA-CBaxter, MN 564251881369676
  5. Nicholas Fenske, PA-CBaxter, MN 564251033813555
  6. Kaley Gadbois, PA-CBaxter, MN 564251295088201
  7. Jody Giza, PA-CBaxter, MN 564251740249572
  8. Alexis Hillmer, PA-CBaxter, MN 564251760167431

Common questions

What is Claire O'Neill Larson, PA-C's NPI number?

Claire O'Neill Larson, PA-C's National Provider Identifier (NPI) is 1609334200, issued on Mar 4, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Claire O'Neill Larson, PA-C located?

The NPPES record lists a practice address at 13205 Isle Dr, Baxter, MN, 56425. Phone: (218) 454-7600. Providers update this record themselves, so call before visiting.

How can I verify Claire O'Neill Larson, PA-C's license?

NPPES lists Minnesota license number 12961, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

How much does Claire O'Neill Larson, PA-C prescribe under Medicare Part D?

In 2024, Claire O'Neill Larson, PA-C had 1,496 Medicare Part D claims for 319 beneficiaries; the average among physician assistant prescribers was 830. 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.

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.