Hong Hanh Chau, MD
NPI 1164590519 · Obstetrics & Gynecology Physician · Lansdowne, VA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hong Hanh Chau, MD is a Obstetrics & Gynecology Physician provider in Lansdowne, VA (NPI 1164590519).
Provider details
- NPI number
- 1164590519
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101055894 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-02
- Last updated
- 2021-11-22
- Certified
- 2021-11-22
Frequently asked questions
- What is Hong Hanh Chau's NPI number?
- Hong Hanh Chau's National Provider Identifier (NPI) is 1164590519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hong Hanh Chau's specialty?
- Hong Hanh Chau is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Hong Hanh Chau located?
- Hong Hanh Chau's practice location on file with NPPES is 19450 Deerfield Ave Ste 300, Lansdowne, VA 20176-6821.
- What is Hong Hanh Chau's phone number?
- The practice phone number listed in the NPPES registry for Hong Hanh Chau is (703) 726-2100.
- Does Hong Hanh Chau accept Medicare?
- Hong Hanh Chau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hong Hanh Chau's NPI active?
- Yes — Hong Hanh Chau's NPI (1164590519) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.