Summary

Dr. Thomas Hwang is an internal medicine physician who brings over two decades of medical expertise to his practice. He earned his medical degree from Saint Louis University School of Medicine and completed his residency training at the prestigious Stanford Hospital and Clinics Program. With 23 years of experience in internal medicine, Dr. Hwang has developed comprehensive skills in adult healthcare and disease management. He provides care in English to serve his diverse patient community.

Dr. Hwang practices at Saint Joseph Hospital Orange and sees patients in Tustin, California. His clinical focus includes managing high blood pressure and hypertensive emergencies, helping patients control this common but serious condition. He also provides preventive care services such as flu vaccinations and substance use disorder screenings to promote overall wellness. Patients have given Dr. Hwang an average rating of 3.8 stars, reflecting their experiences with his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 23 years of experience
  • 36 insurance plans accepted
  • speaks English
  • Stanford Hospital and Clinics Program
  • 1 specialty
  • 6 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Tustin Irvine Internal Medicine Group

15000 Kensington Park Dr Ste 360Tustin, CA 92782
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

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Thomas C HwangDr. Adama Diarra, DODr. Adewumi Bakare DMSc, PA-CDr. Nima Ghadimi, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
3.8 
23 Years of Experience 14 Years of Experience 29 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, French, Bambara Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) Speaks English, Spanish
Tustin , CATigard , ORMesquite , TXScottsdale , AZ
Med School: Saint Louis University School of Medicine Med School: Arizona College of Osteopathic Medicine Med School: University of Lynchburg - DMSc Med School: Univ Iberoamericana Unibe Santo Domingo
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Insurance Plans Accepted by Thomas C Hwang

  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • CalOptima
  • CHAMPVA
  • Cigna
  • Health Net - HMO
  • Humana
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • MVP Health Care
  • Optum Health
  • Oscar Health Insurance
  • Providence Health Plans
  • Providence Health Plans - HMO
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Three Rivers Providers Network (TRPN) - HMO
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO

Medical Specialties

Thomas C Hwang has the following specialty

Specialty Expertise

Thomas C Hwang has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

23 Years Experience

Thomas C Hwang holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Stanford Hospital and Clinics Program.

Medical School

Graduated from Saint Louis University School of Medicine in 2003.

NPI Number

Thomas C Hwang's NPI number is 1124039722.

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Frequently Asked Questions

Which hospitals is Thomas Hwang affiliated with?
Thomas Hwang is affiliated with Saint Joseph Hospital Orange.
What languages does Thomas Hwang speak?
Thomas Hwang speaks English.
Does Thomas Hwang accept my insurance?
You can see the insurance plans that Thomas Hwang accepts on their Vitals profile.
Does Thomas Hwang accept virtual/telehealth appointments?
Thomas Hwang has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Thomas Hwang?
You can find contact information for Thomas Hwang here on Vitals.

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