Jason Marx, LCSW
NPI 1194379131 · Clinical Social Worker · New York, NY
Jason Marx, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1194379131).
Provider details
- NPI number
- 1194379131
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2019-07-29
- Last updated
- 2025-09-29
- Certified
- 2025-09-29
Frequently asked questions
- What is Jason Marx's NPI number?
- Jason Marx's National Provider Identifier (NPI) is 1194379131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Marx's specialty?
- Jason Marx is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jason Marx located?
- Jason Marx's practice location on file with NPPES is 240 Madison Ave # 10k, New York, NY 10016-2820.
- What is Jason Marx's phone number?
- The practice phone number listed in the NPPES registry for Jason Marx is (347) 632-8356.
- Is Jason Marx's NPI active?
- Yes — Jason Marx's NPI (1194379131) is active in the NPPES registry as of the last update on 2025-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.