Marie Welch, LCSW
NPI 1861998866 · Clinical Social Worker · Brooklyn, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Welch, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1861998866).
Provider details
- NPI number
- 1861998866
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 091943-01 (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
8 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
- 2018-03-30
- Last updated
- 2024-11-25
- Certified
- 2024-11-25
Frequently asked questions
- What is Marie Welch's NPI number?
- Marie Welch's National Provider Identifier (NPI) is 1861998866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Welch's specialty?
- Marie Welch is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marie Welch located?
- Marie Welch's practice location on file with NPPES is 1238 E 70th St, Brooklyn, NY 11234-5656.
- What is Marie Welch's phone number?
- The practice phone number listed in the NPPES registry for Marie Welch is (347) 782-8784.
- Does Marie Welch accept Medicare?
- Marie Welch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Welch's NPI active?
- Yes — Marie Welch's NPI (1861998866) is active in the NPPES registry as of the last update on 2024-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.