5
1 Rating
Summary
Dr. Leon Chan specializes in internal medicine, bringing nearly three decades of experience to his practice. He earned his medical degree from Tufts University School of Medicine and completed his residency at the University of California at Irvine. With 29 years in medicine, Dr. Chan has developed extensive expertise in managing complex medical conditions. He speaks English with his patients.
Dr. Chan practices at multiple locations throughout California, including Lancaster, Palmdale, Panorama City, and Pasadena. His clinical focus includes treating cancer recurrence and prostate cancer, conditions that require careful monitoring and specialized care. He also provides comprehensive care through services like virtual consultations, metabolic testing, and routine urine analysis. Patients consistently rate Dr. Chan highly, giving him an average rating of 5.0 on Vitals.
Dr. Chan practices at multiple locations throughout California, including Lancaster, Palmdale, Panorama City, and Pasadena. His clinical focus includes treating cancer recurrence and prostate cancer, conditions that require careful monitoring and specialized care. He also provides comprehensive care through services like virtual consultations, metabolic testing, and routine urine analysis. Patients consistently rate Dr. Chan highly, giving him an average rating of 5.0 on Vitals.
Overview based on verified provider data
Quick Facts
- 29 years of experience
- speaks English
- University Of California At Irvine
- 1 specialty
- 11 areas of expertise
- 1 board certification
- 5 hospital affiliations
- 5 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Leon Chih-Leng Chan has 5 locationsKaiser Permanente Panorama City Medical Center
13651 Willard StPanorama City, CA 91402 Tel: (818) 375-2000
Compare with Similar Doctors
 |  |  |  |
| Dr. Leon Chih-Leng Chan, MD | Dr. Alaa Hajal, MD | Karthikeyan Viswanathan, DO | Dr. George Mousa, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 29 Years of Experience | 15 Years of Experience | 12 Years of Experience | 17 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English, Tamil | ||
| Lancaster , CA | Diamond Bar , CA | Palo Alto , CA | Upland , CA |
| Med School: Tufts University School Of Medicine | Med School: University Of Damascus Faculty Of Medicine | Med School: Bassett Medical Center - Cooperstown, New York | Med School: University Of Aleppo Faculty Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Leon Chih-Leng Chan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Leon Chih-Leng Chan has the following specialty
Specialty Expertise
Dr. Leon Chih-Leng Chan has the following 11 areas of expertise
Certifications, License, & Education
29 Years Experience
Dr. Leon Chih-Leng Chan 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 University Of California At Irvine.
Medical School
Graduated from Tufts University School Of Medicine in 1997.
NPI Number
Dr. Chan's NPI number is 1578630380.
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Frequently Asked Questions
- Does Dr. Leon Chan accept my insurance?
- You can see the insurance plans that Dr. Leon Chan accepts on their Vitals profile.
- What languages does Dr. Leon Chan speak?
- Dr. Leon Chan speaks English.
- Is Dr. Leon Chan accepting new patients?
- Dr. Leon Chan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Leon Chan?
- You can find contact information for Dr. Leon Chan here on Vitals.
- Which hospitals is Dr. Leon Chan affiliated with?
- Dr. Leon Chan is affiliated with Palmdale Regional Medical Center, Huntington Memorial Hospital, Antelope Valley Hospital, MISSION COMMUNITY HOSPITAL, and Kaiser Permanente Panorama City Medical Center.
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