Quick answers
- Which hospitals does Larissa M. Olson work at?
- Medicare's official clinician data lists Larissa M. Olson at 2 hospitals: MaineHealth Franklin Hospital and The Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Larissa M. Olson see patients?
- Medicare's clinician data lists 5 practice locations, including Farmington, ME, Portland, ME and North Conway, NH. Call before your visit to confirm the address.
- What is Larissa M. Olson's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Larissa M. Olson accept Medicare assignment?
- Yes. Medicare's clinician data says Larissa M. Olson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Larissa M. Olson?
- (207) 779-3113, as listed in official Medicare / NPI Registry data.
- What is Larissa M. Olson's NPI number?
- 1558839043. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Larissa M. Olson works
Medicare's Facility Affiliation Data lists Larissa M. Olson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MaineHealth Franklin HospitalFarmington, ME · Critical Access Hospital · CCN 201316
- The Memorial HospitalNorth Conway, NH · Critical Access Hospital · CCN 301307
Practice locations
Addresses where Larissa M. Olson is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 Franklin Health CmnsFarmington, ME 04938 (207) 779‑3113
- 181 Franklin Health CmnsFarmington, ME 04938
- 22 Bramhall StPortland, ME 04102
- 3073 White Mountain HwyNorth Conway, NH 03860 (603) 356‑5461
- 420 Franklin StRumford, ME 04276 (207) 369‑1000
Group practices
Medicare enrollment lists Larissa M. Olson as a member of these groups (CMS data updated 2026-10-02).
- MaineHealth2,633 clinicians in the group
- Memorial Hospital78 clinicians in the group
- Rumford Hospital39 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Farmington
Clinicians with the same Medicare primary specialty in Farmington, ME — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558839043 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians