Larissa Michele Olson, PA
Physician Assistant · Middlebury, VT
Larissa Michele Olson, PA is a physician assistant with a practice address in Middlebury, Vermont, and NPI 1558839043, issued on Nov 2, 2018. Check the license (Vermont 0550031467, as entered in NPPES) with the Vermont board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Larissa Michele Olson
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 0550031467 VT
PA2421 ME
1947 NH
023278 NY
Self-reported in NPPES; status is on the state search - Practice location
- 115 Porter Dr, Middlebury, VT 05753
- Phone
- (802) 388-8842
- Enumerated
- Nov 2, 2018
- Record last updated
- Dec 18, 2024
- Medicare enrollment
- Enrolled (PECOS I20231030001544); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 321 in Vermont → Look up another NPI →
Also registered at 115 Porter Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Larissa Michele Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Vermont board licenses this profession
Search for license 0550031467Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
16 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
4 hospitals and group practices
- Porter Hospital IncMiddlebury, VT · Critical Access Hospitals3 of 5 stars
- MainehealthFarmington, ME
- Memorial HospitalNorth Conway, NH
- Rumford HospitalRumford, ME
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.
Larissa Michele Olson among 321 physician assistant records in Vermont
Larissa Michele Olson, PA is one of 321 physician assistant records with a practice address in Vermont. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 71% of them.
- NPI issued2018 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2018 · median 2014 among the 210 with a school on file
- Record last updated2024 · 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 363A00000X and a Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 physician assistant records list a practice address in Middlebury
They are 15 of the 423 NPPES records with a practice address in Middlebury, and 321 physician assistant records in Vermont.
All 321 in Vermont → Every provider in Middlebury → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jeffrey Abell, PA-CMiddlebury, VT 057531043767163
- Thomas Beauregard, PA-CMiddlebury, VT 057531861566135
- Luc Dupuis, PA-CMiddlebury, VT 057531316296528
- Brian Joslin, PA-CMiddlebury, VT 057531992239123
- Sara Lewis, PA-CMiddlebury, VT 057531760001531
- Katie Owens, P.A.Middlebury, VT 057531932403581
- Hylah Patton, PAMiddlebury, VT 057531477761880
- Leslie Putman, PAMiddlebury, VT 057531902874647
Common questions
What is Larissa Michele Olson, PA's NPI number?
Larissa Michele Olson, PA's National Provider Identifier (NPI) is 1558839043, issued on Nov 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Larissa Michele Olson, PA located?
The NPPES record lists a practice address at 115 Porter Dr, Middlebury, VT, 05753. Phone: (802) 388-8842. Providers update this record themselves, so call before visiting.
How can I verify Larissa Michele Olson, PA's license?
NPPES lists Vermont license number 0550031467, as entered by the provider. Search the Vermont board that licenses this profession; the NPPES record confirms identity only.
How much does Larissa Michele Olson, PA prescribe under Medicare Part D?
In 2024, Larissa Michele Olson, PA had 16 Medicare Part D claims; 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.