Marielle Larsen, PA-C
NPI 1861182503 · Physician Assistant · Moses Lake, WA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marielle Larsen, PA-C is a Physician Assistant provider in Moses Lake, WA (NPI 1861182503).
Provider details
- NPI number
- 1861182503
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA.PA.61631353 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-05-08
- Last updated
- 2025-02-12
- Certified
- 2025-02-03
Frequently asked questions
- What is Marielle Larsen's NPI number?
- Marielle Larsen's National Provider Identifier (NPI) is 1861182503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marielle Larsen's specialty?
- Marielle Larsen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marielle Larsen located?
- Marielle Larsen's practice location on file with NPPES is 605 S Coolidge St, Moses Lake, WA 98837-1873.
- What is Marielle Larsen's phone number?
- The practice phone number listed in the NPPES registry for Marielle Larsen is (435) 557-6842.
- Does Marielle Larsen accept Medicare?
- Marielle Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marielle Larsen's NPI active?
- Yes — Marielle Larsen's NPI (1861182503) is active in the NPPES registry as of the last update on 2025-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.