0 reviews
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
- 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. George Mousa, MD | Dr. Salman Ahmed Khan, MD | Dr. Abdul Ahad Khan, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 28 Years of Experience | 17 Years of Experience | 44 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Fullerton , CA | Upland , CA | San Marino , CA | Norwalk , CA |
| Med School: Rutgers New Jersey Medical School | Med School: University Of Aleppo Faculty Of Medicine | Med School: Dow Medical College | |
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.
Similar doctors
Frequently Asked Questions
- Where is Dr. Stephen Yoon's office located?
- Dr. Stephen Yoon's office is located at 101 E Valencia Mesa Dr, Fullerton, CA, 92835.
- What languages does Dr. Stephen Yoon speak?
- Dr. Stephen Yoon speaks English.
- Does Dr. Stephen Yoon accept my insurance?
- You can see the insurance plans that Dr. Stephen Yoon accepts on their Vitals profile.
- 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.
- 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.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
