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

Individual provider Internal Medicine Physician · NPI 1124039722

Dr. Thomas C Hwang, MD is an Internal Medicine in Tustin, California. Graduated from Saint Louis University School of Medicine in 2003, 23 years ago. Practices with Tustin Irvine Internal Medicine Group Inc, a 5-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
Saint Louis University 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

17400 Irvine Blvd Ste F
Tustin, CA 92780-3030
Phone: (714) 838-5610
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A91056 (CA)

Record details

NPI number1124039722
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2006
Last updated in NPPESJune 10, 2011
Mailing address17400 Irvine Blvd, Suite F, Tustin, CA 92780-3030

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Tustin Irvine Internal Medicine Group Inc. — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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