Christine Sun, M.D.
NPI 1093983371 · Internal Medicine Physician · Corona, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Sun, M.D. is a Internal Medicine Physician provider in Corona, CA (NPI 1093983371).
Provider details
- NPI number
- 1093983371
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A98971 (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
- 2008-02-20
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Christine Sun's NPI number?
- Christine Sun's National Provider Identifier (NPI) is 1093983371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Sun's specialty?
- Christine Sun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Sun located?
- Christine Sun's practice location on file with NPPES is 613 S Howard St, Corona, CA 92879-2254.
- What is Christine Sun's phone number?
- The practice phone number listed in the NPPES registry for Christine Sun is (818) 895-3100.
- Does Christine Sun accept Medicare?
- Christine Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Sun's NPI active?
- Yes — Christine Sun's NPI (1093983371) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.