Greg Katz, LMSW
NPI 1386923191 · Social Worker · Bronx, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Katz, LMSW is a Social Worker provider in Bronx, NY (NPI 1386923191).
Provider details
- NPI number
- 1386923191
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 82263-1 (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
14 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
- 2011-08-10
- Last updated
- 2014-04-29
Frequently asked questions
- What is Greg Katz's NPI number?
- Greg Katz's National Provider Identifier (NPI) is 1386923191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Katz's specialty?
- Greg Katz is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Greg Katz located?
- Greg Katz's practice location on file with NPPES is 4401 Bronx Blvd, Bronx, NY 10470-1407.
- What is Greg Katz's phone number?
- The practice phone number listed in the NPPES registry for Greg Katz is (718) 304-7084.
- Does Greg Katz accept Medicare?
- Greg Katz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greg Katz's NPI active?
- Yes — Greg Katz's NPI (1386923191) is active in the NPPES registry as of the last update on 2014-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.