Isaac Larson, RC1
NPI 1144368655 · Adult Companion · Portland, OR
Isaac Larson, RC1 is a Adult Companion provider in Portland, OR (NPI 1144368655).
Provider details
- NPI number
- 1144368655
- Entity type
- Individual
- Primary specialty
- Adult CompanionNursing Service Related Providers
- Credential
- RC1
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Nursing Service Related Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2007-02-05
- Last updated
- 2025-09-11
Frequently asked questions
- What is Isaac Larson's NPI number?
- Isaac Larson's National Provider Identifier (NPI) is 1144368655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Larson's specialty?
- Isaac Larson is listed in the NPPES registry with a primary specialty of Adult Companion (Nursing Service Related Providers).
- Where is Isaac Larson located?
- Isaac Larson's practice location on file with NPPES is 5023 Ne Killingsworth St, Portland, OR 97218-1915.
- What is Isaac Larson's phone number?
- The practice phone number listed in the NPPES registry for Isaac Larson is (503) 402-8117.
- Is Isaac Larson's NPI active?
- Yes — Isaac Larson's NPI (1144368655) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.