IndividualActive
Will Cerf, LMSW
NPI 1528951324 · Social Worker · New York, NY
Will Cerf, LMSW is a Social Worker provider in New York, NY (NPI 1528951324).
Provider details
- NPI number
- 1528951324
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES 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
42 W 83rd St Apt 3b
New York, NY 10024-5272
Phone: (973) 666-0856
Street-level locationGet directions
Mailing address
210 E 58th St
New York, NY 10022-2030
Registry dates
- Enumerated
- 2025-05-30
- Last updated
- 2025-05-30
- Certified
- 2025-05-30
Frequently asked questions
- What is Will Cerf's NPI number?
- Will Cerf's National Provider Identifier (NPI) is 1528951324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Will Cerf's specialty?
- Will Cerf is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Will Cerf located?
- Will Cerf's practice location on file with NPPES is 42 W 83rd St Apt 3b, New York, NY 10024-5272.
- What is Will Cerf's phone number?
- The practice phone number listed in the NPPES registry for Will Cerf is (973) 666-0856.
- Is Will Cerf's NPI active?
- Yes — Will Cerf's NPI (1528951324) is active in the NPPES registry as of the last update on 2025-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.