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Internists with Great Reviews in Westminster, CA

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Verified Internists in Westminster, CA

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319 providers

Availability last updated 07/22/2026

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

Reza Ghanian, MD

Internist

824 Carson St
Ste 201
Carson, CA 90745

Healthcare specialist
Edmond Derderian, MD Internist
17.2 mi
3621 Martin Luther King Jr Blvd
#6
Lynwood, CA 90262
+1 more location

Edmond Derderian, MD

Internist

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

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

Alejandro Gonzalez

General Practice Physician

4225 Tweedy Blvd
South Gate, CA 90280

Dr. John Alevizos, DO
Dr. John Alevizos, DO Adult Medicine Physician
17.8 mi
15751 Rockfield Blvd
Suite 120
Irvine, CA 92618
About Dr. John Alevizos, DO

Welcome to Alevizos Medical

Alevizos Medical in Irvine, California, specializes in anti-aging medicine, helping patients to look and feel energetic, having more lean muscle mass, and happier. 

Founder John Alevizos, DO, is a board-certified family practice physician who has a passion for anti-aging medicine. He follows the principles of integrative medicine to combine the most beneficial aspects of conventional and alternative methods, and provide a holistic approach to patient care.

His primary focus is the use of bioidentical hormone replacement therapy (BHRT) to address hormone imbalances. Less-than-optimal levels of essential hormones like estrogen and testosterone can cause issues such as weight gain, loss of sex drive, lack of energy, moodiness and anxiety, trouble sleeping, and depression. 

Dr. Alevizos and his team also offer effective long-term solutions to weight loss to help patients look and feel their best and enjoy life to the fullest.

He treats a range of sports injuries using innovative products like platelet-rich plasma (PRP) to encourage tissue healing.

Find out more about looking and feeling younger by calling Alevizos Medical or booking an appointment online today.

Practice
Alevizos Medical
Dr. John Alevizos, DO

Dr. John Alevizos, DO

Internist

15751 Rockfield Blvd
Suite 120
Irvine, CA 92618

Alisa Farokhian, MD
Alisa Farokhian, MD Gastroenterologist
18.0 mi
23600 Rockfield Blvd
Suite 2N
Lake Forest, CA 92630
About Alisa Farokhian, MD

Dr. Alisa Farokhian, MD, specializes in internal medicine and is completing her fellowship in Advanced IBD GI.

Dr. Alisa Farokhian prides herself in her dedication to providing patients with exceptional care, respect, and support. She is completing her advanced IBD program at the prestigious Columbia University Hospital, while additionally working on her GI fellowship.  

Additionally, Dr. Alisa Farokhian has received countless awards and recognition for her participation in research and publications. She continues her education by attending and speaking at numerous top GI conferences to learn the most technological advances in medicine.

Practice
American Beauty Med Spa
Alisa Farokhian, MD

Alisa Farokhian, MD

Gastroenterologist

23600 Rockfield Blvd
Suite 2N
Lake Forest, CA 92630

Healthcare specialist
Tai-Won Kim, MD Internist
18.0 mi
24361 El Toro Road Ste 105
Laguna Woods, CA 92637

Tai-Won Kim, MD

Internist

24361 El Toro Road Ste 105
Laguna Woods, CA 92637

Dr. Nadia Curran, MD
4.84
(179)
Dr. Nadia Curran, MD Cardiovascular Disease Physician
18.1 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. Gaurav Banka, MD
4.87
(320)
Dr. Gaurav Banka, MD Cardiovascular Disease Physician
18.1 mi
4.87 (320)
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
“Very good”
Dr. Gaurav Banka, MD

Dr. Gaurav Banka, MD

Internist

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

4.87 (320)
Dr. Ramakrishna Reddy, MD
4.88
(294)
Dr. Ramakrishna Reddy, MD Cardiovascular Disease Physician
18.1 mi
4.88 (294)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
+2 more locations
About Dr. Ramakrishna Reddy, MD

Ram Reddy, MD, is board-certified in cardiology, nuclear cardiology, and internal medicine. With more than 38 years of experience, Dr. Reddy serves the Los Angeles communities of at COR Healthcare Medical Associates in Torrance and San Pedro, California,

Dr. Reddy graduated from Rangaraya Medical College, Dr. NTR University of Health Sciences, in Kakinada, India, in 1982. He completed an internship at Rajiv Gandhi Government General Hospital in Chennai, India, before relocating to the United States. Dr. Reddy moved to Detroit, Michigan, and completed his internal medicine residency at Wayne State University.

Passionate about his work, Dr. Reddy pursued additional education by completing cardiology and nuclear cardiology fellowships at the Medical College of Virginia in Richmond. He has treated a variety of cardiac cases ever since, including cardiac rehabilitation, heart attack, carotid ultrasound, hypertension, heart disease, and more.

When he is not working with patients at COR Healthcare Medical Associates, Dr. Reddy enjoys art, gardening, gourmet cooking, playing tennis, and spending time with his family.

Practice
COR Healthcare Medical Associates
Latest Review
“Dr Ram Reddy has been our family's cardiologist for several decades, starting with my father. He's smart, personable, and highly competent. He conveys any diagnosis with an air of calm and confidence, putting the patient at ease.”
Dr. Ramakrishna Reddy, MD

Dr. Ramakrishna Reddy, MD

Internist

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

4.88 (294)
Dr. Eric Castleman, MD
4.88
(354)
Dr. Eric Castleman, MD Cardiovascular Disease Physician
18.1 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. James Matchison, MD
4.87
(275)
Dr. James Matchison, MD Cardiologist
18.1 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. Wilson Kwan, MD
4.83
(130)
Dr. Wilson Kwan, MD Cardiovascular Disease Physician
18.1 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)
Dr. Bruce Jackson, MD
4.9
(387)
Dr. Bruce Jackson, MD Cardiovascular Disease Physician
18.1 mi
4.9 (387)
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
“I ALWAYS receive excellent care and treatment from De. Jackson. He's so very kind and nice, always listens and provides compassionate care and feedback. He's my cardiologist for life and I appreciate and value not only him but his entire care team. Thank you for everything d”
Dr. Bruce Jackson, MD

Dr. Bruce Jackson, MD

Internist

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

4.9 (387)
Dr. Matthew Ostrom, MD
4.89
(432)
Dr. Matthew Ostrom, MD Clinical Cardiac Electrophysiologist
18.1 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)
Healthcare specialist
Melissa Siew, MD Internist
18.3 mi
668 N Coast Hwy
Laguna Beach, CA 92651

Melissa Siew, MD

Internist

668 N Coast Hwy
Laguna Beach, CA 92651

Healthcare specialist
Antonio Zamorano, DO Family Physician
20.0 mi
15115 Amar Rd
La Puente, CA 91744
+1 more location

Antonio Zamorano, DO

Family Physician

15115 Amar Rd
La Puente, CA 91744

Dr. Arash Aghel, MD
4.83
(130)
Dr. Arash Aghel, MD Cardiologist
20.2 mi
4.83 (130)
2841 Lomita Blvd
100
Torrance, CA 90505
About Dr. Arash Aghel, MD

Arash Aghel, MD, is a board-certified internist and cardiologist at COR Healthcare Medical Associates in Los Angeles. He sees patients at the Torrance, California office where he specializes in general cardiology, interventional cardiology, structural heart, and peripheral vascular interventions.

Dr. Aghel earned his medical degree from Mashhad University of Medical Sciences in Iran before moving to Cleveland for his internal medicine residency and cardiology fellowship at Cleveland Clinic and Case Western Reserve University.  He then moved to Colorado and completed 2 additional years of training in interventional cardiology and advanced structural and vascular interventions at the University of Colorado in Denver.

Dr. Aghel joins COR Healthcare Medical Associates from Colorado where he was busy practicing interventional cardiology for the past 7 years. He treats the entire scope of cardiac disease including complex coronary interventions, transcatheter aortic valve replacement, and peripheral vascular intervention with a focus on limb salvage/preservation.

He is board certified in cardiovascular medicine, interventional cardiology, echocardiography, vascular interpretation, and endovascular medicine.

Dr. Aghel is fluent in English and Farsi.

Outside of work, Dr. Aghel enjoys spending time outdoors with his wife and two daughters.

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

Dr. Arash Aghel, MD

Cardiologist

2841 Lomita Blvd
100
Torrance, CA 90505

4.83 (130)
Michael Healy, MD
4.83
(161)
Michael Healy, MD Cardiologist
20.2 mi
4.83 (161)
2841 Lomita Blvd
100
Torrance, CA 90505
+1 more location
About Michael Healy, MD

Michael Healy, MD, is a board-certified cardiologist who specializes in interventional and structural cardiology. His areas of expertise include state-of-the-art, minimally-invasive procedures for the treatment of coronary and valvular heart disease.

Dr. Healy earned his medical degree with honors from Columbia University, College of Physicians and Surgeons. He completed internal medicine residency at the University of California, San Francisco (UCSF) and cardiology fellowship at Mount Sinai Hospital in New York City. Dr. Healy then completed interventional cardiology fellowship at Scripps Clinic in San Diego, followed by advanced training in structural heart, peripheral vascular, and complex coronary interventions. He is board-certified in internal medicine, cardiology, interventional cardiology, echocardiography, vascular interpretation, and cardiac CT.

Prior to being recruited to COR Healthcare, Dr. Healy worked as an interventional cardiologist at Scripps Clinic where he was part of the teaching faculty of the fellowship training program. Dr. Healy prides himself on providing evidence-based, cutting-edge care to his patients and has been a co-investigator in several clinical trials for novel interventional device technologies.

Dr. Healy enjoys getting to know his patients and focuses on all aspects of their lives in order to personalize their treatment plans. During visits, he prioritizes educating patients with the goal of empowering them to make the best decisions regarding their unique heart condition, while also coaching them back to maximal health.

During his free time, Dr. Healy enjoys spending quality time with his family and traveling abroad. He is also an avid long-distance runner.

Practice
COR Healthcare Medical Associates
Latest Review
“He is very concerned for me as his patient. He listens attentively and lets me know. He understands whatever I say, and gives me a good reply.”
Michael Healy, MD

Michael Healy, MD

Cardiologist

2841 Lomita Blvd
100
Torrance, CA 90505

4.83 (161)