Maria Martillo, LMSW
NPI 1639304959 · Social Worker · New York, NY
Maria Martillo, LMSW is a Social Worker provider in New York, NY (NPI 1639304959).
Provider details
- NPI number
- 1639304959
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-05-17
- Last updated
- 2015-03-19
Frequently asked questions
- What is Maria Martillo's NPI number?
- Maria Martillo's National Provider Identifier (NPI) is 1639304959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Martillo's specialty?
- Maria Martillo is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Maria Martillo located?
- Maria Martillo's practice location on file with NPPES is 465 Grand St Fl 2, New York, NY 10002-4800.
- What is Maria Martillo's phone number?
- The practice phone number listed in the NPPES registry for Maria Martillo is (212) 420-1999.
- Is Maria Martillo's NPI active?
- Yes — Maria Martillo's NPI (1639304959) is active in the NPPES registry as of the last update on 2015-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.