Diana Van Vleet
NPI 1952255143 · Addiction (Substance Use Disorder) Counselor · Farmingville, NY
Diana Van Vleet is a Addiction (Substance Use Disorder) Counselor provider in Farmingville, NY (NPI 1952255143).
Provider details
- NPI number
- 1952255143
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- 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
Under 1 yr in 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
- 2026-02-24
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Diana Van Vleet's NPI number?
- Diana Van Vleet's National Provider Identifier (NPI) is 1952255143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Van Vleet's specialty?
- Diana Van Vleet is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Diana Van Vleet located?
- Diana Van Vleet's practice location on file with NPPES is 100 Granny Rd Ste 1, Farmingville, NY 11738-2879.
- What is Diana Van Vleet's phone number?
- The practice phone number listed in the NPPES registry for Diana Van Vleet is (631) 696-4357.
- Is Diana Van Vleet's NPI active?
- Yes — Diana Van Vleet's NPI (1952255143) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.