Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ilsong Jason Chong, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1831240159

Dr. Ilsong Jason Chong, MD is an Internal Medicine in Oceanside, California. Graduated from University of Texas Medical School at Houston in 1992, 34 years ago. Practices with North County Health Project Inc, a 75-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Texas.

Years since qualifying
34
Trained at
University of Texas Medical School at Houston
Licensed in
CA, TX
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

605 Crouch St Bldg C
Oceanside, CA 92054-4415
Phone: (760) 736-6767
Fax: (760) 736-8740
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2410 Ella Blvd, Houston, TX 77008-2710 — (713) 861-5000

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence C152937 (CA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence K4025 (TX)

Record details

NPI number1831240159
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 15, 2007
Last updated in NPPESMarch 17, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1992 (34 years in practice)
Group practice North County Health Project Inc — 75 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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