IndividualActive
Matthew Nitzberg, LMSW
NPI 1669218194 · Social Worker · New York, NY
Matthew Nitzberg, LMSW is a Social Worker provider in New York, NY (NPI 1669218194).
Provider details
- NPI number
- 1669218194
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 129858 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(61/100 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
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
33 W 60th St Fl 4
New York, NY 10023-7905
Phone: (212) 333-3444
Fax: (212) 333-5444
Street-level locationGet directions
Mailing address
1661 Summerfield St Apt Phe
Ridgewood, NY 11385-3384
Additional practice locations (1)
- 3635 Bell Blvd Ste 203Bayside, NY 11361-2097Phone: (718) 504-9256Fax: (718) 830-9088
Registry dates
- Enumerated
- 2024-07-03
- Last updated
- 2026-06-03
- Certified
- 2026-06-03
Frequently asked questions
- What is Matthew Nitzberg's NPI number?
- Matthew Nitzberg's National Provider Identifier (NPI) is 1669218194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Nitzberg's specialty?
- Matthew Nitzberg is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Nitzberg located?
- Matthew Nitzberg's practice location on file with NPPES is 33 W 60th St Fl 4, New York, NY 10023-7905.
- What is Matthew Nitzberg's phone number?
- The practice phone number listed in the NPPES registry for Matthew Nitzberg is (212) 333-3444.
- Is Matthew Nitzberg's NPI active?
- Yes — Matthew Nitzberg's NPI (1669218194) is active in the NPPES registry as of the last update on 2026-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.