Duongthuy Chau, MD, DC
NPI 1154660710 · Family Medicine Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Duongthuy Chau, MD, DC is a Family Medicine Physician provider in Garden Grove, CA (NPI 1154660710).
Provider details
- NPI number
- 1154660710
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, DC
- Sex
- Female
- Sole proprietor
- No
- License
- A197431 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$151 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1135 Sunset AveSuite 401West Covina, CA 91790Phone: (626) 732-8390Fax: (714) 962-6432
Registry dates
- Enumerated
- 2013-02-01
- Last updated
- 2025-10-02
- Certified
- 2025-10-02
Frequently asked questions
- What is Duongthuy Chau's NPI number?
- Duongthuy Chau's National Provider Identifier (NPI) is 1154660710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duongthuy Chau's specialty?
- Duongthuy Chau is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Duongthuy Chau located?
- Duongthuy Chau's practice location on file with NPPES is 12942 Harbor Blvd, Garden Grove, CA 92840-5809.
- What is Duongthuy Chau's phone number?
- The practice phone number listed in the NPPES registry for Duongthuy Chau is (714) 705-2120.
- Does Duongthuy Chau accept Medicare?
- Duongthuy Chau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Duongthuy Chau's NPI active?
- Yes — Duongthuy Chau's NPI (1154660710) is active in the NPPES registry as of the last update on 2025-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.