What is Larissa Oster's NPI number?

Larissa Oster's National Provider Identifier (NPI) is 1376236836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Larissa Oster's specialty?

Larissa Oster is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).

Where is Larissa Oster located?

Larissa Oster's practice location on file with NPPES is 520 3rd St Nw, Jamestown, ND 58401-2968.

What is Larissa Oster's phone number?

The practice phone number listed in the NPPES registry for Larissa Oster is (701) 253-6300.

Is Larissa Oster's NPI active?

Yes — Larissa Oster's NPI (1376236836) is active in the NPPES registry as of the last update on 2025-04-25.

IndividualActive

Larissa Oster

NPI 1376236836 · Professional Counselor · Jamestown, ND

Larissa Oster is a Professional Counselor provider in Jamestown, ND (NPI 1376236836).

Provider details

NPI number: 1376236836
Entity type: Individual
Primary specialty: Professional CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Professional CounselorPrimary101YP2500X
Behavioral Health & Social Service Providers
Specialist174400000X
Other Service Providers

Profile Score

Established profile(52/100 index)

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
83% 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

520 3rd St Nw

Jamestown, ND 58401-2968

Phone: (701) 253-6300

Street-level locationGet directions

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Mailing address