Annie Chao, D.O.
NPI 1912325291 · Student in an Organized Health Care Education/Training Program · Santa Clara, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Chao, D.O. is a Student in an Organized Health Care Education/Training Program provider in Santa Clara, CA (NPI 1912325291).
Provider details
- NPI number
- 1912325291
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2014-04-02
- Last updated
- 2014-04-02
Frequently asked questions
- What is Annie Chao's NPI number?
- Annie Chao's National Provider Identifier (NPI) is 1912325291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Chao's specialty?
- Annie Chao is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Annie Chao located?
- Annie Chao's practice location on file with NPPES is 710 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Annie Chao's phone number?
- The practice phone number listed in the NPPES registry for Annie Chao is (408) 851-3830.
- Does Annie Chao accept Medicare?
- Annie Chao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Chao's NPI active?
- Yes — Annie Chao's NPI (1912325291) is active in the NPPES registry as of the last update on 2014-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.