What is Andrew Chau's NPI number?

Andrew Chau's National Provider Identifier (NPI) is 1831984897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Andrew Chau's specialty?

Andrew Chau is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Andrew Chau located?

Andrew Chau's practice location on file with NPPES is 200 Wood Hill Rd, Rockville, MD 20850-8724.

What is Andrew Chau's phone number?

The practice phone number listed in the NPPES registry for Andrew Chau is (240) 800-5772.

Is Andrew Chau's NPI active?

Yes — Andrew Chau's NPI (1831984897) is active in the NPPES registry as of the last update on 2025-09-18.

IndividualActive

Andrew Chau

NPI 1831984897 · Social Worker · Rockville, MD

Andrew Chau is a Social Worker provider in Rockville, MD (NPI 1831984897).

Provider details

NPI number: 1831984897
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: 32042 (MD)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 32042 (MD)
Behavioral Health & Social Service Providers

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

200 Wood Hill Rd

Rockville, MD 20850-8724

Phone: (240) 800-5772

Fax: (301) 468-1862

Street-level locationGet directions

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Mailing address