HealthCareAtlasUSA

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Doctors / CA

JOHNSON ONG, DO

RHEUMATOLOGY

Graduated: 2021

Also: INTERNAL MEDICINE

NPI: 1568045508

Practice Locations (2)

FILE NUMBER, SUITE 54701

Los Angeles, CA 900744701

250 S G ST

SAN BERNARDINO, CA 924103320

Source: CMS National Downloadable File, September 2026.

JOHNSON ONG, DO | HealthCareAtlasUSA