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Summary
Dr. Stephen Yoon is an internal medicine physician with expertise in pediatrics, hospice and palliative medicine, and hospital medicine. He earned his medical degree from Rutgers New Jersey Medical School and brings 28 years of clinical experience to his practice. Dr. Yoon is fluent in English.
Dr. Yoon maintains hospital affiliations with Saint Jude Hospital, Dignity Health Northridge Hospital Medical Center, and San Dimas Community Hospital, with practice locations in Fullerton and San Dimas, California. He specializes in treating serious conditions such as sepsis in both adult and pediatric patients, as well as managing high blood pressure. His expertise includes performing comprehensive blood work and kidney function tests to help diagnose and monitor various health conditions.
Dr. Yoon maintains hospital affiliations with Saint Jude Hospital, Dignity Health Northridge Hospital Medical Center, and San Dimas Community Hospital, with practice locations in Fullerton and San Dimas, California. He specializes in treating serious conditions such as sepsis in both adult and pediatric patients, as well as managing high blood pressure. His expertise includes performing comprehensive blood work and kidney function tests to help diagnose and monitor various health conditions.
Overview based on verified provider data
Quick Facts
- 28 years of experience
- speaks English
- Rutgers New Jersey Medical School
- 4 specialties
- 5 areas of expertise
- 4 board certifications
- 3 hospital affiliations
- 4 office locations
- Male
Office Locations
Dr. Stephen Yoon has 4 locationsSaint Jude Hospital
101 E Valencia Mesa DrFullerton, CA 92835 Tel: (714) 992-3000
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Specialty Eye Care Medical Center Inc
18250 Roscoe Blvd Ste 330Northridge, CA 91325 Tel: (818) 882-7700
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Stephen Yoon, MD | Dr. Sima Mirhashemi, DO | Dr. Afshin Shawn Adhami, MD | Eric Harker |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 28 Years of Experience | 30 Years of Experience | 33 Years of Experience | 25 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English, Spanish | Speaks English |
| Fullerton , CA | Newport Beach , CA | Montebello , CA | Lyons , CO |
| Med School: Rutgers New Jersey Medical School | Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific | Med School: Wayne State University School Of Medicine | Med School: Duke University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Stephen Yoon
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Stephen Yoon has the following 4 specialties
Specialty Expertise
Dr. Stephen Yoon has the following 5 areas of expertise
Certifications, License, & Education
28 Years Experience
Dr. Stephen Yoon 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
Medical School
Graduated from Rutgers New Jersey Medical School in 1998.
NPI Number
Dr. Yoon's NPI number is 1851327100.
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Frequently Asked Questions
- Is Dr. Stephen Yoon accepting new patients?
- Dr. Stephen Yoon has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Stephen Yoon accept my insurance?
- You can see the insurance plans that Dr. Stephen Yoon accepts on their Vitals profile.
- Does Dr. Stephen Yoon accept virtual/telehealth appointments?
- Dr. Stephen Yoon has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Stephen Yoon affiliated with?
- Dr. Stephen Yoon is affiliated with Saint Jude Hospital, Dignity Health Northridge Hospital Medical Center, and San Dimas Community Hospital.
- How can I make an appointment with Dr. Stephen Yoon?
- You can find contact information for Dr. Stephen Yoon here on Vitals.
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