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Marsha Sideris, LCSW
NPI 1053343855 · Clinical Social Worker · Brooklyn, NY
Marsha Sideris, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1053343855).
Provider details
- NPI number
- 1053343855
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- P062079-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 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
2155 66th St
Brooklyn, NY 11204-3923
Phone: (917) 757-3162
Street-level locationGet directions
Mailing address
2155 66th St
Brooklyn, NY 11204-3923
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2012-05-07
Frequently asked questions
- What is Marsha Sideris's NPI number?
- Marsha Sideris's National Provider Identifier (NPI) is 1053343855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marsha Sideris's specialty?
- Marsha Sideris is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marsha Sideris located?
- Marsha Sideris's practice location on file with NPPES is 2155 66th St, Brooklyn, NY 11204-3923.
- What is Marsha Sideris's phone number?
- The practice phone number listed in the NPPES registry for Marsha Sideris is (917) 757-3162.
- Is Marsha Sideris's NPI active?
- Yes — Marsha Sideris's NPI (1053343855) is active in the NPPES registry as of the last update on 2012-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.