Hilary Marshak, MSW, LCSW
NPI 1548284789 · Mental Health Counselor · New York, NY
Hilary Marshak, MSW, LCSW is a Mental Health Counselor provider in New York, NY (NPI 1548284789).
Provider details
- NPI number
- 1548284789
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R044859-1 (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
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
- 2006-07-27
- Last updated
- 2009-09-10
Frequently asked questions
- What is Hilary Marshak's NPI number?
- Hilary Marshak's National Provider Identifier (NPI) is 1548284789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hilary Marshak's specialty?
- Hilary Marshak is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Hilary Marshak located?
- Hilary Marshak's practice location on file with NPPES is 24 E 12th St, New York, NY 10003-4513.
- What is Hilary Marshak's phone number?
- The practice phone number listed in the NPPES registry for Hilary Marshak is (212) 349-0011.
- Is Hilary Marshak's NPI active?
- Yes — Hilary Marshak's NPI (1548284789) is active in the NPPES registry as of the last update on 2009-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.