IndividualActive
Jack Greenberg
NPI 1265302343 · Social Worker · Baltimore, MD
Jack Greenberg is a Social Worker provider in Baltimore, MD (NPI 1265302343).
Provider details
- NPI number
- 1265302343
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 33965 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
4419 Falls Rd Ste D
Baltimore, MD 21211-1296
Phone: (831) 750-0057
Street-level locationGet directions
Mailing address
2802 Laurelwood Ct
Baltimore, MD 21209-1414
Registry dates
- Enumerated
- 2025-11-05
- Last updated
- 2025-11-05
- Certified
- 2025-11-05
Frequently asked questions
- What is Jack Greenberg's NPI number?
- Jack Greenberg's National Provider Identifier (NPI) is 1265302343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Greenberg's specialty?
- Jack Greenberg is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Jack Greenberg located?
- Jack Greenberg's practice location on file with NPPES is 4419 Falls Rd Ste D, Baltimore, MD 21211-1296.
- What is Jack Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Jack Greenberg is (831) 750-0057.
- Is Jack Greenberg's NPI active?
- Yes — Jack Greenberg's NPI (1265302343) is active in the NPPES registry as of the last update on 2025-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.