Keren Ludwig, LCSW
NPI 1407168271 · Clinical Social Worker · Brooklyn, NY
Enrolled with Medicare as Order and Referring Only - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keren Ludwig, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1407168271).
Provider details
- NPI number
- 1407168271
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 73 075725 (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
15 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
- 2010-07-09
- Last updated
- 2010-07-09
Frequently asked questions
- What is Keren Ludwig's NPI number?
- Keren Ludwig's National Provider Identifier (NPI) is 1407168271, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keren Ludwig's specialty?
- Keren Ludwig is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Keren Ludwig located?
- Keren Ludwig's practice location on file with NPPES is 26 Court Street, Brooklyn, NY 11201.
- What is Keren Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Keren Ludwig is (646) 263-1815.
- Does Keren Ludwig accept Medicare?
- Keren Ludwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keren Ludwig's NPI active?
- Yes — Keren Ludwig's NPI (1407168271) is active in the NPPES registry as of the last update on 2010-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.