Lillian Tsai
NPI 1750983110 · Clinical Social Worker · Brooklyn, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lillian Tsai is a Clinical Social Worker provider in Brooklyn, NY (NPI 1750983110).
Provider details
- NPI number
- 1750983110
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 042265 (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
5 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
- 2020-11-11
- Last updated
- 2020-12-02
- Certified
- 2020-12-02
Frequently asked questions
- What is Lillian Tsai's NPI number?
- Lillian Tsai's National Provider Identifier (NPI) is 1750983110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Tsai's specialty?
- Lillian Tsai is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Lillian Tsai located?
- Lillian Tsai's practice location on file with NPPES is 175 Adams St Apt 2f, Brooklyn, NY 11201-1847.
- What is Lillian Tsai's phone number?
- The practice phone number listed in the NPPES registry for Lillian Tsai is (917) 670-3539.
- Does Lillian Tsai accept Medicare?
- Lillian Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lillian Tsai's NPI active?
- Yes — Lillian Tsai's NPI (1750983110) is active in the NPPES registry as of the last update on 2020-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.