Ilsong ChongM.D.
Internal Medicine·Oceanside, CA
Ilsong Chong, M.D. is an Internal Medicine provider in Oceanside, CA, as of July 2026.
- NPI1831240159
- Registered2007
- Class of1992
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Ilsong Chong at a glance
- Provider
- Ilsong Chong
- Credential
- M.D.
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Oceanside, CA
- Medical school
- University of Texas Medical School at Houston
- Graduated
- 1992
- NPI registered
- 2007
- NPI
- 1831240159
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Ilsong Chong practice?
Ilsong Chong, M.D. is based in Oceanside, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Ilsong Chong's NPI number?
Ilsong Chong's National Provider Identifier (NPI) is 1831240159, registered in 2007. Specialty on record: Internal Medicine; credential M.D.
Where did Ilsong Chong go to medical school?
Ilsong Chong, M.D. attended University of Texas Medical School at Houston, graduating in 1992.
How many Internal Medicine providers in California work at ambulatory surgery centers?
209 Internal Medicine surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Ilsong Chong among them. The California Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
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