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

Dr. Irene Y. Tong, MD

Individual provider Rheumatology Physician · NPI 1962439299

Dr. Irene Y. Tong, MD is a Rheumatology in Pasadena, California. Graduated from University of Southern California Keck School of Medicine in 1976, 50 years ago. Practices with American Arthritis and Rheumatology Associates-Ca PC, a 14-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
50
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
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

2750 E Washington Blvd Ste 120
Pasadena, CA 91107-1448
Phone: (626) 296-2910
Fax: (626) 296-2920
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Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence G34761 (CA)

Record details

NPI number1962439299
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 26, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Group practice American Arthritis And Rheumatology Associates-Ca Pc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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