IndividualActive
Jacob Wallach
NPI 1447037874 · Social Worker · New York, NY
Jacob Wallach is a Social Worker provider in New York, NY (NPI 1447037874).
Provider details
- NPI number
- 1447037874
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 123680 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
27 E 21st St
New York, NY 10010-6208
Phone: (347) 674-9532
Fax: (347) 674-9532
Street-level locationGet directions
Mailing address
27 E 21st St
New York, NY 10010-6208
Additional practice locations (1)
- 5 E 17th St Fl 2New York, NY 10003-1949Phone: (212) 989-2990
Registry dates
- Enumerated
- 2023-09-11
- Last updated
- 2025-09-10
- Certified
- 2025-09-10
Frequently asked questions
- What is Jacob Wallach's NPI number?
- Jacob Wallach's National Provider Identifier (NPI) is 1447037874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Wallach's specialty?
- Jacob Wallach is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Jacob Wallach located?
- Jacob Wallach's practice location on file with NPPES is 27 E 21st St, New York, NY 10010-6208.
- What is Jacob Wallach's phone number?
- The practice phone number listed in the NPPES registry for Jacob Wallach is (347) 674-9532.
- Is Jacob Wallach's NPI active?
- Yes — Jacob Wallach's NPI (1447037874) is active in the NPPES registry as of the last update on 2025-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.