Andrew Chau, M.D.
NPI 1023111333 · Maternal & Fetal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Chau, M.D. is a Maternal & Fetal Medicine Physician provider in Philadelphia, PA (NPI 1023111333).
Provider details
- NPI number
- 1023111333
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD059108L (PA)
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
- 2006-09-06
- Last updated
- 2017-09-14
Frequently asked questions
- What is Andrew Chau's NPI number?
- Andrew Chau's National Provider Identifier (NPI) is 1023111333, 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 Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Chau located?
- Andrew Chau's practice location on file with NPPES is 5501 Old York Rd, Philadelphia, PA 19141-3018.
- What is Andrew Chau's phone number?
- The practice phone number listed in the NPPES registry for Andrew Chau is (215) 456-7180.
- Does Andrew Chau accept Medicare?
- Andrew Chau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Chau's NPI active?
- Yes — Andrew Chau's NPI (1023111333) is active in the NPPES registry as of the last update on 2017-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.