Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Larissa Michele Olson, PA

Individual provider Physician Assistant · NPI 1558839043

Larissa Michele Olson, PA is a Physician Assistant in Middlebury, Vermont. Qualified in 2018, 8 years ago. Practices with Mainehealth, a 2,615-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Maine, New Hampshire, New York and Vermont.

Years since qualifying
8
Licensed in
ME, NH, NY, VT
In the registry since
2018
Specialties on file
4
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

115 Porter Dr
Middlebury, VT 05753-8629
Phone: (802) 388-8842
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 118 Northport Ave, Belfast, ME 04915-6072 — (585) 943-2282
  • 16 Hospital Rd, Plymouth, NH 03264-1199 — (603) 536-1120

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 0550031467 (VT)
Physician Assistant Taxonomy 363A00000X · Licence PA2421 (ME)
Physician Assistant Taxonomy 363A00000X · Licence 1947 (NH)
Medical Physician Assistant Taxonomy 363AM0700X · Licence 023278 (NY)

Record details

NPI number1558839043
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedNovember 2, 2018
Last updated in NPPESDecember 18, 2024
Certification dateDecember 18, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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