IndividualActive
David Marrero, LMSW
NPI 1447104799 · Social Worker · Valley Cottage, NY
David Marrero, LMSW is a Social Worker provider in Valley Cottage, NY (NPI 1447104799).
Provider details
- NPI number
- 1447104799
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 130545 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
140 Route 303
Valley Cottage, NY 10989-5906
Phone: (914) 345-5900
Street-level locationGet directions
Mailing address
47 Stetson Rd
Ringwood, NJ 07456-2316
Registry dates
- Enumerated
- 2026-02-24
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is David Marrero's NPI number?
- David Marrero's National Provider Identifier (NPI) is 1447104799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Marrero's specialty?
- David Marrero is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is David Marrero located?
- David Marrero's practice location on file with NPPES is 140 Route 303, Valley Cottage, NY 10989-5906.
- What is David Marrero's phone number?
- The practice phone number listed in the NPPES registry for David Marrero is (914) 345-5900.
- Is David Marrero's NPI active?
- Yes — David Marrero's NPI (1447104799) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.