Harry Chao, MD
NPI 1487613451 · Internal Medicine Physician · Covina, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harry Chao, MD is a Internal Medicine Physician provider in Covina, CA (NPI 1487613451).
Provider details
- NPI number
- 1487613451
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A41275 (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
20 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
- 2006-03-20
- Last updated
- 2008-04-18
Frequently asked questions
- What is Harry Chao's NPI number?
- Harry Chao's National Provider Identifier (NPI) is 1487613451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Chao's specialty?
- Harry Chao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Chao located?
- Harry Chao's practice location on file with NPPES is 420 W Rowland St, Covina, CA 91723-2943.
- What is Harry Chao's phone number?
- The practice phone number listed in the NPPES registry for Harry Chao is (626) 331-6411.
- Does Harry Chao accept Medicare?
- Harry Chao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harry Chao's NPI active?
- Yes — Harry Chao's NPI (1487613451) is active in the NPPES registry as of the last update on 2008-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.