IndividualActive
M Mason-Chapman, LCSW
NPI 1861602625 · Clinical Social Worker · Brooklyn, NY
M Mason-Chapman, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1861602625).
Provider details
- NPI number
- 1861602625
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R044250-1-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
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
340 11th St Apt 1c
Brooklyn, NY 11215-4056
Phone: (917) 568-4462
Fax: (347) 341-5553
Street-level locationGet directions
Mailing address
340 11th St
Brooklyn, NY 11215-4055
Registry dates
- Enumerated
- 2007-05-23
- Last updated
- 2025-08-11
- Certified
- 2025-08-01
Frequently asked questions
- What is M Mason-Chapman's NPI number?
- M Mason-Chapman's National Provider Identifier (NPI) is 1861602625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is M Mason-Chapman's specialty?
- M Mason-Chapman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is M Mason-Chapman located?
- M Mason-Chapman's practice location on file with NPPES is 340 11th St Apt 1c, Brooklyn, NY 11215-4056.
- What is M Mason-Chapman's phone number?
- The practice phone number listed in the NPPES registry for M Mason-Chapman is (917) 568-4462.
- Is M Mason-Chapman's NPI active?
- Yes — M Mason-Chapman's NPI (1861602625) is active in the NPPES registry as of the last update on 2025-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.