IndividualActive
Johannes Marselis, LMSW
NPI 1114340908 · Social Worker · Brooklyn, NY
Johannes Marselis, LMSW is a Social Worker provider in Brooklyn, NY (NPI 1114340908).
Provider details
- NPI number
- 1114340908
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 082493-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
26 Court St
Ste 614
Brooklyn, NY 11242-1106
Phone: (347) 668-6946
Street-level locationGet directions
Mailing address
26 Court St
Brooklyn, NY 11242-1106
Registry dates
- Enumerated
- 2014-01-29
- Last updated
- 2016-08-18
Frequently asked questions
- What is Johannes Marselis's NPI number?
- Johannes Marselis's National Provider Identifier (NPI) is 1114340908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johannes Marselis's specialty?
- Johannes Marselis is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Johannes Marselis located?
- Johannes Marselis's practice location on file with NPPES is 26 Court St, Brooklyn, NY 11242-1106.
- What is Johannes Marselis's phone number?
- The practice phone number listed in the NPPES registry for Johannes Marselis is (347) 668-6946.
- Is Johannes Marselis's NPI active?
- Yes — Johannes Marselis's NPI (1114340908) is active in the NPPES registry as of the last update on 2016-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.