Edward Chao, DO
NPI 1932298122 · Endocrinology, Diabetes & Metabolism Physician · San Diego, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Edward Chao, DO is a Endocrinology, Diabetes & Metabolism Physician provider in San Diego, CA (NPI 1932298122).
Provider details
- NPI number
- 1932298122
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A8519 (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
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
- 2006-10-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Edward Chao's NPI number?
- Edward Chao's National Provider Identifier (NPI) is 1932298122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Edward Chao's specialty?
- Edward Chao is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Edward Chao located?
- Edward Chao's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9001.
- What is Edward Chao's phone number?
- The practice phone number listed in the NPPES registry for Edward Chao is (858) 552-8585.
- Does Edward Chao accept Medicare?
- Edward Chao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Edward Chao's NPI active?
- Yes — Edward Chao's NPI (1932298122) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.