John Sullivan, L.C.S.W., C.A.S.A.C.
NPI 1881812410 · Clinical Social Worker · Peekskill, NY
John Sullivan, L.C.S.W., C.A.S.A.C. is a Clinical Social Worker provider in Peekskill, NY (NPI 1881812410).
Provider details
- NPI number
- 1881812410
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.C.S.W., C.A.S.A.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PR025480-1 (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
19 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
- 2007-04-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Sullivan's NPI number?
- John Sullivan's National Provider Identifier (NPI) is 1881812410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Sullivan's specialty?
- John Sullivan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Sullivan located?
- John Sullivan's practice location on file with NPPES is 735 Requa St, Peekskill, NY 10566-4615.
- What is John Sullivan's phone number?
- The practice phone number listed in the NPPES registry for John Sullivan is (914) 736-2549.
- Is John Sullivan's NPI active?
- Yes — John Sullivan's NPI (1881812410) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.