NPPES file of Aug 9, 2026

Barrett Paul Larson, M.D.

Pulmonary Disease Physician · Waconia, MN

Barrett Paul Larson, M.D. is a pulmonary disease physician with a practice address in Waconia, Minnesota, and NPI 1114171014, issued on Nov 5, 2008. Check the license (Minnesota 58802, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1114171014
Name
Barrett Paul Larson
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
58802 MN
Self-reported in NPPES; status is on the state search
Practice location
560 S Maple St Ste 400, Waconia, MN 55387
Phone
(952) 442-8011
Enumerated
Nov 5, 2008
Record last updated
Dec 14, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(952) 442-7852
Medicare enrollment
Enrolled (PECOS I20220729001561); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 560 S Maple St Ste 400

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

  1. Kevin Brown, DOClinical Neurophysiology Physician1194870634
  2. Katrina Flaskerud, MS, RD, LDRegistered Dietitian1235601774
  3. Zachary Hartnady, MDInfectious Disease Physician1396325072
  4. Jennifer Hruska, MD, MPHSleep Medicine (Family Medicine) Physician1255951992
  5. Dharmik Patel, MDDermatology Physician1316408081
  6. Nicole Roeder, MDPulmonary Disease Physician1568737716

Verify Barrett Paul Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 58802    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
Open 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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25% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

1,064 Medicare Part D claims for 192 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.

  1. Barrett Larson1,064
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa139 claims
  2. Trelegy Ellipta139 claims
  3. Fluticasone-Salmeterol91 claims
  4. Montelukast Sodium68 claims
  5. Breo Ellipta61 claims
  6. Incruse Ellipta46 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.

Bills Medicare through one group practice

  1. Avera MckennanSioux Falls, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Pulmonary Disease Physician providers in Minnesota

There are 311 pulmonary disease physician records in Minnesota.

All 311 in Minnesota → Every provider in Waconia →

Other pulmonary disease physician records in Minnesota

  1. Abdallah Abboud, M.D.Minneapolis, MN1912314824
  2. Naeem Adhami, MDCoon Rapids, MN1407081169
  3. Brian Aebly, D.O.Duluth, MN1578705125
  4. Sumera Ahmad, M.D.Rochester, MN1699932574
  5. Timothy Aksamit, M.D.Rochester, MN1184694770
  6. Faysal Al-Ghoula, MBBCHRochester, MN1477008670
  7. Dina AlayanRochester, MN1083212765
  8. Talal Almasri, MBBSRochester, MN1447997366
  9. Ghadah Alrehaili, MBBSRochester, MN1629432406
  10. Michael Alter, M.D.St Paul, MN1225072812

Common questions

What is Barrett Paul Larson, M.D.'s NPI number?

Barrett Paul Larson, M.D.'s National Provider Identifier (NPI) is 1114171014, issued on Nov 5, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Barrett Paul Larson, M.D. located?

The NPPES record lists a practice address at 560 S Maple St Ste 400, Waconia, MN, 55387. Phone: (952) 442-8011. Providers update this record themselves, so call before visiting.

How can I verify Barrett Paul Larson, M.D.'s license?

NPPES lists Minnesota license number 58802, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Barrett Paul Larson, M.D. prescribe under Medicare Part D?

In 2024, Barrett Paul Larson, M.D. had 1,064 Medicare Part D claims for 192 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.