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

Johnson Ong, DO

Individual provider Rheumatology Physician · NPI 1568045508

Johnson Ong, DO is a Rheumatology in Loma Linda, California. Qualified in 2021, 5 years ago. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Years since qualifying
5
Licensed in
CA
In the registry since
2021
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

11370 Anderson St # 3650
Loma Linda, CA 92354-3450
Phone: (909) 558-2860
Show map & directions

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

Additional practice locations (1)

  • 147 N Brent St, Ventura, CA 93003-2854 — (805) 948-5672

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 20A22465 (CA)

Record details

NPI number1568045508
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 28, 2021
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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