John Chung, MD
NPI 1073661013 · Emergency Medicine Physician · Baldwin Park, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Chung, MD is a Emergency Medicine Physician provider in Baldwin Park, CA (NPI 1073661013).
Provider details
- NPI number
- 1073661013
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A66894 (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
- 2007-01-08
- Last updated
- 2021-11-30
Frequently asked questions
- What is John Chung's NPI number?
- John Chung's National Provider Identifier (NPI) is 1073661013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chung's specialty?
- John Chung is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Chung located?
- John Chung's practice location on file with NPPES is 1011 Baldwin Park Blvd, Baldwin Park, CA 91706-5806.
- What is John Chung's phone number?
- The practice phone number listed in the NPPES registry for John Chung is (626) 851-1011.
- Does John Chung accept Medicare?
- John Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Chung's NPI active?
- Yes — John Chung's NPI (1073661013) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.