IndividualActive
William Cook, LCSW R
NPI 1861471856 · Social Worker · Mount Kisco, NY
William Cook, LCSW R is a Social Worker provider in Mount Kisco, NY (NPI 1861471856).
Provider details
- NPI number
- 1861471856
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW R
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0542331 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
153 E Main St Ste E4
Mount Kisco, NY 10549-2319
Phone: (914) 980-9542
Fax: (914) 980-9542
Street-level locationGet directions
Mailing address
153 E Main St Ste D3
Mount Kisco, NY 10549-2319
Registry dates
- Enumerated
- 2006-01-10
- Last updated
- 2023-12-11
- Certified
- 2023-12-11
Frequently asked questions
- What is William Cook's NPI number?
- William Cook's National Provider Identifier (NPI) is 1861471856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Cook's specialty?
- William Cook is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is William Cook located?
- William Cook's practice location on file with NPPES is 153 E Main St Ste E4, Mount Kisco, NY 10549-2319.
- What is William Cook's phone number?
- The practice phone number listed in the NPPES registry for William Cook is (914) 980-9542.
- Is William Cook's NPI active?
- Yes — William Cook's NPI (1861471856) is active in the NPPES registry as of the last update on 2023-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.