Greyson Buen
NPI 1487513990 · Addiction (Substance Use Disorder) Counselor · Portland, OR
Greyson Buen is a Addiction (Substance Use Disorder) Counselor provider in Portland, OR (NPI 1487513990).
Provider details
- NPI number
- 1487513990
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- T-25-6065 (OR)
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
Under 1 yr in 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
- 2026-01-20
- Last updated
- 2026-01-20
- Certified
- 2026-01-20
Frequently asked questions
- What is Greyson Buen's NPI number?
- Greyson Buen's National Provider Identifier (NPI) is 1487513990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greyson Buen's specialty?
- Greyson Buen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Greyson Buen located?
- Greyson Buen's practice location on file with NPPES is 411 Ne 19th Ave, Portland, OR 97232-4801.
- What is Greyson Buen's phone number?
- The practice phone number listed in the NPPES registry for Greyson Buen is (971) 386-2126.
- Is Greyson Buen's NPI active?
- Yes — Greyson Buen's NPI (1487513990) is active in the NPPES registry as of the last update on 2026-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.