Mark Baum, LCSW
NPI 1528089968 · Clinical Social Worker · Brooklyn, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Baum, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1528089968).
Provider details
- NPI number
- 1528089968
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 072322-1 (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
19 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
Mailing address
Additional practice locations (1)
- 3635 Bell Blvd Ste 203Bayside, NY 11361-2097Phone: (718) 504-9256
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2025-08-07
- Certified
- 2025-08-07
Frequently asked questions
- What is Mark Baum's NPI number?
- Mark Baum's National Provider Identifier (NPI) is 1528089968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Baum's specialty?
- Mark Baum is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Baum located?
- Mark Baum's practice location on file with NPPES is 26 Court St Ste 610, Brooklyn, NY 11242-1106.
- What is Mark Baum's phone number?
- The practice phone number listed in the NPPES registry for Mark Baum is (646) 286-9806.
- Does Mark Baum accept Medicare?
- Mark Baum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Baum's NPI active?
- Yes — Mark Baum's NPI (1528089968) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.