Nellie Walthrust, CASAC
NPI 1831372382 · Addiction (Substance Use Disorder) Counselor · Westbury, NY
Nellie Walthrust, CASAC is a Addiction (Substance Use Disorder) Counselor provider in Westbury, NY (NPI 1831372382).
Provider details
- NPI number
- 1831372382
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CASAC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 8328 (NY)
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
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
- 2007-12-06
- Last updated
- 2007-12-06
Frequently asked questions
- What is Nellie Walthrust's NPI number?
- Nellie Walthrust's National Provider Identifier (NPI) is 1831372382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nellie Walthrust's specialty?
- Nellie Walthrust is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Nellie Walthrust located?
- Nellie Walthrust's practice location on file with NPPES is 999 Brush Hollow Rd, Westbury, NY 11590-1704.
- What is Nellie Walthrust's phone number?
- The practice phone number listed in the NPPES registry for Nellie Walthrust is (516) 997-2926.
- Is Nellie Walthrust's NPI active?
- Yes — Nellie Walthrust's NPI (1831372382) is active in the NPPES registry as of the last update on 2007-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.