Chung Kung, MD
NPI 1003994179 · Internal Medicine Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chung Kung, MD is a Internal Medicine Physician provider in Antioch, CA (NPI 1003994179).
Provider details
- NPI number
- 1003994179
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A55433 (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
- 2006-11-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Chung Kung's NPI number?
- Chung Kung's National Provider Identifier (NPI) is 1003994179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chung Kung's specialty?
- Chung Kung is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chung Kung located?
- Chung Kung's practice location on file with NPPES is 5601 Deer Valley Rd, Antioch, CA 94531-8577.
- What is Chung Kung's phone number?
- The practice phone number listed in the NPPES registry for Chung Kung is (925) 813-6500.
- Does Chung Kung accept Medicare?
- Chung Kung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chung Kung's NPI active?
- Yes — Chung Kung's NPI (1003994179) 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.