IndividualActive
Derrick Lau, MD
NPI 1639967953 · Psychiatry Physician · Danbury, CT
Derrick Lau, MD is a Psychiatry Physician provider in Danbury, CT (NPI 1639967953).
Provider details
- NPI number
- 1639967953
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 202003529 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
120 Main St
Danbury, CT 06810-7834
Phone: (203) 743-9760
Street-level locationGet directions
Mailing address
1571 W 11th St
Brooklyn, NY 11204-6247
Registry dates
- Enumerated
- 2025-04-28
- Last updated
- 2025-04-28
- Certified
- 2025-04-28
Frequently asked questions
- What is Derrick Lau's NPI number?
- Derrick Lau's National Provider Identifier (NPI) is 1639967953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Lau's specialty?
- Derrick Lau is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Derrick Lau located?
- Derrick Lau's practice location on file with NPPES is 120 Main St, Danbury, CT 06810-7834.
- What is Derrick Lau's phone number?
- The practice phone number listed in the NPPES registry for Derrick Lau is (203) 743-9760.
- Is Derrick Lau's NPI active?
- Yes — Derrick Lau's NPI (1639967953) is active in the NPPES registry as of the last update on 2025-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.