Christine Au, DO
NPI 1740741305 · Psychiatry Physician · Orange, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Au, DO is a Psychiatry Physician provider in Orange, CA (NPI 1740741305).
Provider details
- NPI number
- 1740741305
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- PTL1070 (CA)
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
7 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
- 2019-03-27
- Last updated
- 2022-04-12
- Certified
- 2022-04-12
Frequently asked questions
- What is Christine Au's NPI number?
- Christine Au's National Provider Identifier (NPI) is 1740741305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Au's specialty?
- Christine Au is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Au located?
- Christine Au's practice location on file with NPPES is 101 the City Dr S Ste 400, Orange, CA 92868-3201.
- What is Christine Au's phone number?
- The practice phone number listed in the NPPES registry for Christine Au is (714) 456-5691.
- Does Christine Au accept Medicare?
- Christine Au is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Au's NPI active?
- Yes — Christine Au's NPI (1740741305) is active in the NPPES registry as of the last update on 2022-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.