Edwin Chuong, M.D.
NPI 1427231802 · Internal Medicine Physician · Diamond Bar, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Edwin Chuong, M.D. is a Internal Medicine Physician provider in Diamond Bar, CA (NPI 1427231802).
Provider details
- NPI number
- 1427231802
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A85751 (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
18 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
- 2007-12-09
- Last updated
- 2009-12-24
Frequently asked questions
- What is Edwin Chuong's NPI number?
- Edwin Chuong's National Provider Identifier (NPI) is 1427231802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Edwin Chuong's specialty?
- Edwin Chuong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Edwin Chuong located?
- Edwin Chuong's practice location on file with NPPES is 1540 Bridgegate Dr, Diamond Bar, CA 91765-3912.
- What is Edwin Chuong's phone number?
- The practice phone number listed in the NPPES registry for Edwin Chuong is (626) 388-2319.
- Does Edwin Chuong accept Medicare?
- Edwin Chuong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Edwin Chuong's NPI active?
- Yes — Edwin Chuong's NPI (1427231802) is active in the NPPES registry as of the last update on 2009-12-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.