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Internists with Great Reviews in Lake Forest, CA

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Verified Internists in Lake Forest, CA

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266 providers

Availability last updated 08/01/2026

Healthcare specialist
Jon Persichino, DO Infectious Disease Physician
33.3 mi
16779 Spring St.
Fontana, CA 92335

Jon Persichino, DO

Infectious Disease Physician

16779 Spring St.
Fontana, CA 92335

Healthcare specialist
Tariq Kelker, MD Critical Care Medicine
34.3 mi
1550 E Washington St
Colton, CA 92324

Tariq Kelker, MD

Internist

1550 E Washington St
Colton, CA 92324

Healthcare specialist
Dr. Oliver Solomon, DO Internist
34.3 mi
130 W Route 66 Ste 308
Glendora, CA 91740

Dr. Oliver Solomon, DO

Internist

130 W Route 66 Ste 308
Glendora, CA 91740

Dr. Bao Khanh Thai, DO
Dr. Bao Khanh Thai, DO Family Physician
34.8 mi
210 S Grand Ave
#415
Glendora, CA 91741
About Dr. Bao Khanh Thai, DO

Bao Khanh Thai, DO, is a board-certified family medicine physician with more than 13 years of experience. She serves patients at United Family Physicians in Glendora, California, providing comprehensive care for patients of all ages, with a special focus on preventive medicine, chronic disease management, and senior care. Known for her compassionate and approachable style, Dr. Thai is dedicated to building long-term partnerships with her patients and their families.

Dr. Thai earned her medical degree from Western University of Health Sciences in Pomona, California, and completed her internship and residency training at Pomona Valley Hospital, a UCLA-affiliated program. She is fluent in Vietnamese, allowing her to serve a diverse patient population and make quality healthcare more accessible to the community.

Through her affiliation with Emanate Health, Regal Medical Group, and Lakeside Community Healthcare, Dr. Thai’s patients benefit from access to leading hospitals, specialists, labs, imaging facilities, and chronic care support programs. She also maintains hospital privileges at Foothill Presbyterian Hospital, ensuring continuity of care when patients need it most.

In addition to her clinical expertise, Dr. Thai emphasizes patient education and preventive care, empowering individuals to make informed decisions about their health.

In her free time, she enjoys gardening, hiking, and traveling, bringing the same curiosity and care to her personal life as she does to her practice. Patients trust Dr. Thai for her dedication to personalized, high-quality care that supports overall well-being at every stage of life.

Practice
United Family Physicians
Dr. Bao Khanh Thai, DO

Dr. Bao Khanh Thai, DO

Family Physician

210 S Grand Ave
#415
Glendora, CA 91741

Dr. Paul Moya, DO
Dr. Paul Moya, DO Family Physician
34.8 mi
210 S Grand Ave
#415
Glendora, CA 91741
About Dr. Paul Moya, DO

Paul Moya, DO, is a board-certified family medicine physician who has been proudly serving Glendora, California, and the surrounding communities for more than 13 years. As part of United Family Physicians, Dr. Moya provides comprehensive care across all stages of life, with special expertise in preventive medicine, geriatric care, and the management of both acute and chronic medical conditions.

After earning his medical degree from Western University of Health Sciences in Pomona, California, Dr. Moya completed his internship and residency at Pomona Valley Hospital, a UCLA-affiliated program. Today, he partners with Emanate Health, Regal Medical Group and Lakeside Community Healthcare, giving his patients access to a vast network of specialists, leading hospitals, labs, and support services designed to make quality care accessible and seamless.

Dr. Moya believes in building lasting relationships with patients and their families through personalized education, preventive care, and individualized treatment plans. His approach is compassionate, approachable, and rooted in a dedication to long-term wellness. He is fluent in Spanish and is affiliated with Foothill Presbyterian Hospital, extending his reach in providing trusted medical care.

Outside of medicine, Dr. Moya enjoys gardening, hiking, and cooking. Patients appreciate his commitment to listening, understanding, and guiding them through every stage of their health journey. By combining clinical excellence with a caring bedside manner, Dr. Moya continues to make a meaningful difference in the lives of those he serves.

Practice
United Family Physicians
Dr. Paul Moya, DO

Dr. Paul Moya, DO

Family Physician

210 S Grand Ave
#415
Glendora, CA 91741

Healthcare specialist
Richard Jin, MD Internist
35.1 mi
44045 Margarita Rd
Ste 101
Temecula, CA 92592

Richard Jin, MD

Internist

44045 Margarita Rd
Ste 101
Temecula, CA 92592

Healthcare specialist
Edmond Derderian, MD Internist
35.9 mi
3621 Martin Luther King Jr Blvd
#6
Lynwood, CA 90262

Edmond Derderian, MD

Internist

3621 Martin Luther King Jr Blvd
#6
Lynwood, CA 90262

Healthcare specialist
Reza Ghanian, MD Internist
36.0 mi
824 Carson St
Ste 201
Carson, CA 90745

Reza Ghanian, MD

Internist

824 Carson St
Ste 201
Carson, CA 90745

Healthcare specialist
Alejandro Gonzalez General Practice Physician
36.1 mi
4225 Tweedy Blvd
South Gate, CA 90280

Alejandro Gonzalez

General Practice Physician

4225 Tweedy Blvd
South Gate, CA 90280

Healthcare specialist
Laurentiu Istrate, MD Family Physician
36.5 mi
11306 Mountain View Ave
C
Loma Linda, CA 92354

Laurentiu Istrate, MD

Family Physician

11306 Mountain View Ave
C
Loma Linda, CA 92354

Dr. Balu Gadhe, MD
Dr. Balu Gadhe, MD Internist
36.5 mi
11306 Mountain View Ave
C
Loma Linda, CA 92354
About Dr. Balu Gadhe, MD
Dr. Balu Gadhe MD is American Board of Internal Medicine certified physician with 30+ years of clinical experience in the field of Internal Medicine and Geriatrics (care of elderly). Since completing his residency training at USC in 1993, Dr. Gadhe has been engaged in practice of medicine with a special interest in Geriatrics (care of elderly). Dr. Gadhe specializes in managing diabetes, dementia, high blood pressure, COPD, kidney disease, congestive heart failure, high cholesterol and many other chronic medical coditions. He focuses on patients living a healthy life by controlling their chronic medical conditions that affect them. We can offer same or next day appointments. Our staff is very courteous and bilingual. Call 909 255 0108 to make an appointment.
Practice
CAJON MEDICAL GROUP PC
Dr. Balu Gadhe, MD

Dr. Balu Gadhe, MD

Internist

11306 Mountain View Ave
C
Loma Linda, CA 92354

Dr. James Matchison, MD
4.87
(275)
Dr. James Matchison, MD Cardiologist
37.1 mi
4.87 (275)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
+3 more locations
About Dr. James Matchison, MD

James Matchison, MD, is an experienced physician at COR Healthcare Medical Associates who holds board certifications in internal medicine, interventional cardiology, adult cardiovascular disease, and adult comprehensive echocardiography. With a broad range of experience, Dr. Matchison is proud to serve the communities of Torrance and Redondo Beach, California.

Dr. Matchison earned his undergraduate degree from the University of Arizona in Tucson, before attending Ohio State University College of Medicine and Public Health in his hometown of Columbus, Ohio. He later completed his residency at Harbor-UCLA Medical Center in Torrance, California, and a general cardiology and interventional cardiology fellowship at Kaiser Permanente Los Angeles Medical Center in Los Angeles.

As an experienced cardiologist, Dr. Matchison specializes in the management of advanced cardiac disease, cardiac catheterization, coronary stent placement,  echocardiography, transcatheter aortic valve replacement (TAVR), and stress echocardiography.

He stays up-to-date with the latest treatments and is a member of the American Society of Cardiology and American Society of Echocardiography. Dr. Matchison has practiced in the South Bay area since 2012. Outside of work, he enjoys spending time with his family outdoors and exercising.

Practice
COR Healthcare Medical Associates
Latest Review
“Everyone was awesome!”
Dr. James Matchison, MD

Dr. James Matchison, MD

Cardiologist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.87 (275)
Dr. Eric Castleman, MD
4.88
(354)
Dr. Eric Castleman, MD Cardiovascular Disease Physician
37.1 mi
4.88 (354)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
+2 more locations
About Dr. Eric Castleman, MD

Eric Castleman, MD, is a board-certified cardiologist and internist at COR Healthcare Medical Associates in Los Angeles. He currently sees patients at the practice’s locations in Torrance and Redondo Beach, California, where he brings more than 35 years of experience specializing in general cardiology, and adult congenital heart disease.

Dr. Castleman earned his medical degree at Mount Sinai School of Medicine in New York City before moving to California for his medical training. He completed his internal medicine residency at the University of California, Los Angeles (UCLA) Medical Center and a cardiology fellowship from UC Irvine Medical Center in Orange, California.

Dr. Castleman has many interests outside of work. He loves spending time with his wife, who is a nurse, and their four children. He loves gardening, traveling, and tinkering in the garage repairing things.

Practice
COR Healthcare Medical Associates
Latest Review
“Dr. Castleman always listens to my concerns and responds with helpful suggestions.”
Dr. Eric Castleman, MD

Dr. Eric Castleman, MD

Internist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.88 (354)
Dr. Nadia Curran, MD
4.84
(179)
Dr. Nadia Curran, MD Cardiovascular Disease Physician
37.1 mi
4.84 (179)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
+3 more locations
About Dr. Nadia Curran, MD

Nadia Jafar Curran, MD, is a board-certified internist and cardiologist at COR Healthcare Medical Associates. She specializes in women’s cardiovascular disease, general cardiology, echocardiography, and nuclear cardiology.

Dr. Curran earned her medical degree from New York University School of Medicine, where she received the Gilda Lipton Memorial Award for compassionate care and was inducted into the Alpha Omega Alpha Honor Medical Society. She then moved to San Francisco to complete her internal medicine residency and cardiology fellowship at the University of California, San Francisco (UCSF). During her training, Dr. Curran developed a curriculum that focused on women’s heart disease while researching lifestyle interventions in postpartum women with pregnancy complications. This research resulted in multiple presentations and publications, and informed the most recent guidelines on adverse pregnancy outcomes and cardiovascular disease.

Dr. Curran is excited to join COR Healthcare Medical Associates and brings her expertise in the diagnosis and treatment of cardiovascular conditions, including risk factor assessment, prevention, microvascular dysfunction, coronary artery disease, spontaneous coronary artery dissection (SCAD), valvular heart disease, heart failure and cardiomyopathies, preconception counseling, and pregnancy-related heart health.

When she is not taking care of patients, Dr. Curran enjoys spending time with her husband and exploring all that the South Bay has to offer, including swimming, surfing, and great dining.

Practice
COR Healthcare Medical Associates
Latest Review
“Dr. Kwan answered all my questions, made excellent suggestions and was generous with his time.”
Dr. Nadia Curran, MD

Dr. Nadia Curran, MD

Internist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.84 (179)
Dr. Bruce Jackson, MD
4.9
(390)
Dr. Bruce Jackson, MD Cardiovascular Disease Physician
37.1 mi
4.9 (390)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
+3 more locations
About Dr. Bruce Jackson, MD

Bruce Jackson, MD, is a board-certified cardiologist and internist at COR Healthcare Medical Associates in Los Angeles. At the practice’s location in Redondo Beach, California, he specializes in diagnosing and treating cardiovascular disease and has almost 50 years of experience. 

In addition to treating patients at COR Healthcare Medical Associates, Dr. Jackson is affiliated with several area hospitals, including Harbor-UCLA Medical Center in West Carson, California, and Providence Little Company of Mary Medical Center in Torrance, California. Dr. Jackson was also an Associate Clinical Professor of Medicine/Cardiology at Harbor UCLA for 20 years and an Assistant Clinical Professor of Nursing at UCLA for 8 years

Dr. Jackson earned his medical degree from the University of California, Los Angeles (UCLA) School of Medicine. He completed an internal medicine residency at the University of California, San Diego, and a cardiology fellowship at Harbor-UCLA Medical Center. Dr. Jackson speaks English and Spanish.

When’s he’s not treating patients, Dr. Jackson is a ham radio operator with an interest in near space balloon communications. He enjoys relaxing with his wife, Susan, and spending time with their 11 grandchildren.

Practice
COR Healthcare Medical Associates
Latest Review
“Dr. Jackson is experienced, knowledgeable, and very personable.”
Dr. Bruce Jackson, MD

Dr. Bruce Jackson, MD

Internist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.9 (390)
Dr. Gaurav Banka, MD
4.87
(321)
Dr. Gaurav Banka, MD Cardiovascular Disease Physician
37.1 mi
4.87 (321)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
+2 more locations
About Dr. Gaurav Banka, MD

Gaurav Banka, MD, is a board-certified cardiologist with a wide range of experience in both cardiology and internal medicine. Dr. Banka is proud to bring integrative care to the communities of Los Angeles at COR Healthcare Medical Associates in Torrance and Redondo Beach, California.

A longtime academic, Dr. Banka graduated with honors in biology and health policy from Harvard University. Before attending Stanford University School of Medicine, he spent a year building the Indian government's healthcare system with the Clinton Foundation. He later completed his internal medicine residency and cardiology fellowship at the University of California, Los Angeles (UCLA) Ronald Reagan Medical Center. Dr. Banka is trained in all aspects of cardiology but specializes in cardiac imaging. He’s currently Director of Echo at Torrance Memorial Medical Center and part of the Department of Radiology, where he interprets cardiac CTs. He is board certified in internal medicine, cardiology, echo, CT, nuclear medicine, and certified in cardiac MRI. He has served on national guideline committees for cardiac care and has published over 20 research publications and presentations at international medical conferences.

With more than eight years of experience, Dr. Banka performs several services at COR Healthcare Medical Associates, including heart disease management, heart attack treatment, valvular disease, congestive heart failure, preventative cardiac care, and treatment for hypertension (high blood pressure) and high cholesterol.

When he isn’t working with patients, Dr. Banka loves playing saxophone and guitar and spending time with his wife and daughter.

Practice
COR Healthcare Medical Associates
Latest Review
“My experience was excellent. I had never been to a Cardiologist in my 56 years, so I was a bit apprehensive, but Dr. Banka made me feel at ease and the visit was very pleasant. He answered all my questions and would not hesitate to return.”
Dr. Gaurav Banka, MD

Dr. Gaurav Banka, MD

Internist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.87 (321)
Dr. Matthew Ostrom, MD
4.89
(432)
Dr. Matthew Ostrom, MD Clinical Cardiac Electrophysiologist
37.1 mi
4.89 (432)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
+3 more locations
About Dr. Matthew Ostrom, MD

A triple diplomate of the American Board of Internal Medicine, Matthew Ostrom, MD, is board-certified in clinical cardiac electrophysiology, cardiovascular disease, nuclear cardiology, and internal medicine. Dr. Ostrom, who has more than 15 years of experience, serves the Los Angeles communities of Torrance and Redondo Beach, California, at COR Healthcare Medical Associates.

Born and raised in Seattle, Dr. Ostrom received his Bachelor of Science in microbiology from the University of Washington in 1999. Throughout his undergraduate studies, Dr. Ostrom was actively involved in cardiovascular research at the university and at the local biotechnology company ZymoGenetics, Inc.

Shortly after graduating, Dr. Ostrom began his medical studies at Loyola University Chicago Stritch School of Medicine. He completed an internal medicine internship and residency through the University of California, Los Angeles (UCLA) system. In addition, Dr. Ostrom pursued cardiology and electrophysiology fellowships at Harbor-UCLA Medical Center in West Carson, California, and at Kaiser Permanente Los Angeles Medical Center in Los Angeles. He is a fellow of the American College of Cardiology and the Heart Rhythm Society. 

Today, Dr. Ostrom is a practicing electrophysiologist, specializing in catheter and device-based therapies in the treatment of complex arrhythmias, syncope, sudden cardiac death, and heart failure.

His research interests include the ablation of complex arrhythmias and device-based treatments for sudden cardiac death and congestive heart failure. Dr. Ostrom has authored or co-authored numerous articles in peer-reviewed cardiology and electrophysiology journals.

In addition to his work at COR Healthcare Medical Associates, Dr. Ostrom is on staff at Providence Little Company of Mary Medical Center and Torrance Memorial Medical Center.

Away from work, Dr. Ostrom loves spending time outdoors with his wife and children.

Practice
COR Healthcare Medical Associates
Latest Review
“I visited Dr. Ostrom recently and was reminded what an excellent Doctor he is. He is kind, patient, caring, professional, and just a plain good man. I would highly recommend him to anyone and everyone. Patrick Burke”
Dr. Matthew Ostrom, MD

Dr. Matthew Ostrom, MD

Cardiologist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.89 (432)
Dr. Wilson Kwan, MD
4.83
(130)
Dr. Wilson Kwan, MD Cardiovascular Disease Physician
37.1 mi
4.83 (130)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
About Dr. Wilson Kwan, MD

Wilson Kwan, MD, MS, is a board-certified internist and cardiologist at COR Healthcare Medical Associates. He specializes in general cardiology and advanced imaging. 

Dr. Kwan earned his medical doctorate at the Keck School of Medicine of USC. He completed his internal medicine residency and cardiovascular disease fellowship at LAC+USC Medical Center / Keck Hospital of USC. 

He has been certified by the American Board of Internal Medicine and Cardiovascular Disease, in addition to subspecialty boards of Echocardiography, Cardiovascular CT, Nuclear Cardiology, and Vascular Interpretation. Dr. Kwan has authored multiple peer-reviewed publications in medical and basic science journals as well as contributed to several book chapters. 

Dr. Kwan is fluent in English and Mandarin and proficient in conversational Spanish. 

A SoCal native, Dr. Kwan enjoys fishing, tennis, and gardening. He is also an avid traveler and aspiring home chef.

Practice
COR Healthcare Medical Associates
Latest Review
“Dr. Kwan answered all my questions, made excellent suggestions and was generous with his time.”
Dr. Wilson Kwan, MD

Dr. Wilson Kwan, MD

Internist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.83 (130)