Mark Mallinson, L.C.S.W.
NPI 1598930661 · Clinical Social Worker · Brooklyn, NY
Mark Mallinson, L.C.S.W. is a Clinical Social Worker provider in Brooklyn, NY (NPI 1598930661).
Provider details
- NPI number
- 1598930661
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.C.S.W.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R042877-1 (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
18 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
- 2008-04-29
- Last updated
- 2008-04-29
Frequently asked questions
- What is Mark Mallinson's NPI number?
- Mark Mallinson's National Provider Identifier (NPI) is 1598930661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mallinson's specialty?
- Mark Mallinson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Mallinson located?
- Mark Mallinson's practice location on file with NPPES is 1 Hoyt St Fl 7, Brooklyn, NY 11201-5809.
- What is Mark Mallinson's phone number?
- The practice phone number listed in the NPPES registry for Mark Mallinson is (212) 564-6006.
- Is Mark Mallinson's NPI active?
- Yes — Mark Mallinson's NPI (1598930661) is active in the NPPES registry as of the last update on 2008-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.