Melissa Larson
NPI 1972397149 · Addiction (Substance Use Disorder) Counselor · Portland, OR
Melissa Larson is a Addiction (Substance Use Disorder) Counselor provider in Portland, OR (NPI 1972397149).
Provider details
- NPI number
- 1972397149
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
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
1 yr 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
- 2025-04-04
- Last updated
- 2025-04-04
- Certified
- 2025-04-04
Frequently asked questions
- What is Melissa Larson's NPI number?
- Melissa Larson's National Provider Identifier (NPI) is 1972397149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Larson's specialty?
- Melissa Larson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Melissa Larson located?
- Melissa Larson's practice location on file with NPPES is 211 Ne 18th Ave, Portland, OR 97232-2822.
- What is Melissa Larson's phone number?
- The practice phone number listed in the NPPES registry for Melissa Larson is (971) 248-8899.
- Is Melissa Larson's NPI active?
- Yes — Melissa Larson's NPI (1972397149) is active in the NPPES registry as of the last update on 2025-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.