Larry Donaldson, CASAC
NPI 1417243353 · Addiction (Substance Use Disorder) Counselor · Farmingville, NY
Larry Donaldson, CASAC is a Addiction (Substance Use Disorder) Counselor provider in Farmingville, NY (NPI 1417243353).
Provider details
- NPI number
- 1417243353
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CASAC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 18414 (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
15 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
- 2011-06-20
- Last updated
- 2011-06-20
Frequently asked questions
- What is Larry Donaldson's NPI number?
- Larry Donaldson's National Provider Identifier (NPI) is 1417243353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Donaldson's specialty?
- Larry Donaldson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Larry Donaldson located?
- Larry Donaldson's practice location on file with NPPES is 129 Ridgewood Ave, Farmingville, NY 11738-1618.
- What is Larry Donaldson's phone number?
- The practice phone number listed in the NPPES registry for Larry Donaldson is (631) 772-8547.
- Is Larry Donaldson's NPI active?
- Yes — Larry Donaldson's NPI (1417243353) is active in the NPPES registry as of the last update on 2011-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.