Arthur Walston, CASAC, LMSW
NPI 1861670044 · Addiction (Substance Use Disorder) Counselor · Riverhead, NY
Arthur Walston, CASAC, LMSW is a Addiction (Substance Use Disorder) Counselor provider in Riverhead, NY (NPI 1861670044).
Provider details
- NPI number
- 1861670044
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CASAC, LMSW
- Sex
- Male
- Sole proprietor
- Yes
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
18 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
- 2008-02-09
- Last updated
- 2014-10-25
Frequently asked questions
- What is Arthur Walston's NPI number?
- Arthur Walston's National Provider Identifier (NPI) is 1861670044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Walston's specialty?
- Arthur Walston is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Arthur Walston located?
- Arthur Walston's practice location on file with NPPES is 116 Vista Ct, Riverhead, NY 11901-5005.
- What is Arthur Walston's phone number?
- The practice phone number listed in the NPPES registry for Arthur Walston is (631) 276-3612.
- Is Arthur Walston's NPI active?
- Yes — Arthur Walston's NPI (1861670044) is active in the NPPES registry as of the last update on 2014-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.