Larissa Pirie Messenger, PA
Medical Physician Assistant · Duluth, MN
Larissa Pirie Messenger, PA is a medical physician assistant with a practice address in Duluth, Minnesota, and NPI 1538402763, issued on Apr 6, 2013. Check the license (Minnesota 11387, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Larissa Pirie Messenger
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 11387 MN
Self-reported in NPPES; status is on the state search - Practice location
- 400 E 3RD St, Duluth, MN 55805
- Phone
- (218) 786-8364
- Enumerated
- Apr 6, 2013
- Record last updated
- Oct 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid IDs
- 1538402763 MI
1538402763 MN
1538402763 WI - Medicare enrollment
- Enrolled (PECOS I20131106000581); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 459 in Minnesota → Look up another NPI →
Also registered at 400 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Aas, MDHospitalist Physician1063455848
- Amina Adil, MDCardiovascular Disease Physician1336482314
- Rahul Aggarwal, M.D.Pediatric Critical Care Medicine Physician1336198332
- Olubisi Akinseloyin, MDHospitalist Physician1619309010
- Glenn Albin, M.DCardiovascular Disease Physician1902851116
- David AlexanderDiagnostic Radiology Physician1932135936
Verify Larissa Pirie Messenger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 11387Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average medical physician assistant in 2024
382 Medicare Part D claims for 145 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Clopidogrel104 claims
- Furosemide38 claims
- Atorvastatin Calcium31 claims
- Metoprolol Succinate28 claims
- Torsemide17 claims
- Amiodarone Hcl16 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
- St Marys Medical CenterDuluth, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Larissa Pirie Messenger among 459 medical physician assistant records in Minnesota
Larissa Pirie Messenger, PA is one of 459 medical physician assistant records with a practice address in Minnesota. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 36% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2013 · median 2012 among the 316 with a school on file
- Record last updated2014 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Minnesota
There are 459 medical physician assistant records in Minnesota.
All 459 in Minnesota → Every provider in Duluth → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Molly AndersonDuluth, MN 558051538792874
- Pamela Hermes, PA-CDuluth, MN 558051568776409
- Faith Nyberg, PA-CDuluth, MN 558051972638757
- Conrad Ross, PA-CDuluth, MN 558051093779852
- Maren Sharland, PA-CDuluth, MN 558051326128414
- Nicole Stepan, PA-CDuluth, MN 558051972131282
- Megan Karschnik, PA-CHermantown, MN 558111699117820
- Andrea Hendricks, PACDuluth, MN 558121376570283
Common questions
What is Larissa Pirie Messenger, PA's NPI number?
Larissa Pirie Messenger, PA's National Provider Identifier (NPI) is 1538402763, issued on Apr 6, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Larissa Pirie Messenger, PA located?
The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-8364. Providers update this record themselves, so call before visiting.
How can I verify Larissa Pirie Messenger, PA's license?
NPPES lists Minnesota license number 11387, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Larissa Pirie Messenger, PA prescribe under Medicare Part D?
In 2024, Larissa Pirie Messenger, PA had 382 Medicare Part D claims for 145 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.