Find a Top Internist Near Me in Santa Monica, CA – Book an Appointment Instantly

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.

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.

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.

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.

Michael D. Marsh, MD, is a diplomate of the American Board of Internal Medicine. He has been practicing internal medicine in California for over 25 years and currently serves patients at Premier Medical Center in the Toluca Lake neighborhood of Los Angeles, California.

For his undergraduate degree, Dr. Marsh attended the University of California, Los Angeles (UCLA), where he obtained a Bachelor of Science in biochemistry. He then attended medical school at St. George’s University.

After medical school, Dr. Marsh completed his internship at New York University (NYU) Downtown Hospital in New York City, after which he completed his residency at Rutgers University in New Jersey. He specialized in internal medicine.

Dr. Marsh specializes in geriatrics, although as an accomplished internist, he has treated most every condition of the human body.

Dr. Marsh was raised in Los Angeles and is proud to call this city his home. He gladly accepts new patients and looks forward to your visit.

Jose Luis Hernandez, MD, is a diplomate of the American Board of Internal Medicine, treating patients at Premier Medical Center in the Toluca Lake neighborhood of Los Angeles, California. He is currently the Chair of Internal Medicine at Providence St. Joseph Hospital.

Originally from Chicago, Dr. Hernandez attended the University of Illinois in order to pursue his medical degree. He continued his medical education at the University of Southern California in Los Angeles, California. There, he completed an internship program and received residency training in internal medicine.

His clinical area of expertise is hospital medicine. Dr. Hernandez is also fluent in Spanish and can treat a wide range of patients. 

At Premier Medical Center, Dr. Hernadez treats patients with various medical conditions, including upper and lower respiratory infections, sinus infections, physical exams, hypertension, diabetes, and more.

He is currently accepting both new and existing patients.

Bruce M. Stark, MD, is a diplomate of the American Board of Internal Medicine and board-certified in internal and addiction medicine. He currently treats patients at Premier Medical Center in the Toluca Lake neighborhood of Los Angeles, California.

Dr. Stark attended the University of California, Santa Barbara (UCSB), where he received his Bachelor of Science in biopsychology. He then furthered his education, attending the University of California, San Francisco (UCSF) for medical school. 

Dr. Stark completed his internship and residency in internal medicine at Cedars-Sinai Medical Center in the West Hollywood neighborhood of Los Angeles, California. 

Dr. Stark’s areas of clinical interest include the treatment of chronic pain. Additionally, he is certified to prescribe Suboxone and Vivitrol.

Dr. Stark was born and raised in Hollywood, California, and graduated from Fairfax High School. When not working, he enjoys surfing, hiking, music, and classic films.

He is currently accepting both new and existing patients at Premier Medical Center.

Christopher Ho, MD, is a physician at Wellness Oncology and Hematology. Dr. Ho treats cancer and hematology patients in West Hills and Tarzana, California, as part of the Wellness Oncology and Hematology medical team.

Dr. Ho was born and raised in Philadelphia. He earned his undergraduate degree from Johns Hopkins University in Baltimore, where he lettered in lacrosse, then returned to Philadelphia to earn his Doctor of Medicine from Temple University. While in medical school, he clerked at the Fox Chase Cancer Center in Philadelphia, an experience that ignited his interest in medical oncology research.

After a residency in internal medicine at the University of California, Davis, Dr. Ho received subspecialty training in medical oncology and hematology at the University of Southern California’s Keck School of Medicine in Los Angeles. He served as chief fellow of medical oncology.

Dr. Ho is certified by the American Board of Internal Medicine, the American Board of Medical Oncology, and the American Board of Hematology. To keep up with the latest advancements in his specialties, he retains active membership in the Medical Oncology Association of Southern California, the American Society of Hematology, and the American Society of Clinical Oncology.

Dr. Ho has dedicated himself to the belief that the health of every one of his patients depends on a comprehensive, personalized approach to care that includes a combination of the latest treatment techniques and the personal touch of a physician who truly cares.

Because of his wide range of interests, including music, nutrition, calisthenics, Philadelphia Eagles football, and gourmet food, Dr. Ho is able to connect easily with his patients and share insightful conversations. He is a devoted family man, spending as much time as possible with his wife and two young sons. He speaks English, Spanish, and Chinese.

Omid S. Shaye, MD, is an oncologist and hematologist at Wellness Oncology and Hematology. Dr. Shaye treats patients at the practice’s medical offices in West Hills and Tarzana, California.

Dr. Shaye is a native of the San Fernando Valley. He earned his undergraduate degree from the University of Southern California in Los Angeles, then remained at USC to complete his Doctor of Medicine.

During his residency and fellowship in hematology and oncology at the USC Norris Cancer Center, Dr. Shaye was chosen as chief fellow of medical oncology. He then established Wellness Oncology and Hematology in order to share the newest, most cutting-edge therapeutic options with cancer and hematology patients in the San Fernando Valley.

Dr. Shaye sees his role as the “quarterback of a patient’s care,” offering individualized treatments that can include options like targeted therapies, clinical trials, immunotherapies, chemotherapy, radiation, and surgery. He spends time getting to know his patients and their families as he helps them along the road to wellness.

Dr. Shaye is certified by the American Board of Internal Medicine and the American Board of Medical Oncology. He is a member of the Medical Oncology Association of Southern California, the Community Oncology Alliance, and the American Society of Clinical Oncology. He speaks English, Spanish, and Farsi.

Ashkan Lashkari, MD, is a physician at Wellness Oncology and Hematology. Dr. Lashkari offers personalized oncology and hematology care to patients at the practice’s offices in West Hills and Tarzana, California.

Born and raised in Santa Monica, California, by parents who were both dedicated educators, Dr. Lashkari knew at a young age that he wanted a career that would allow him to help others. He stayed close to home for his education, earning bachelor’s degrees in art history and molecular biology from the University of California at Los Angeles, and then remained at UCLA to complete his Doctor of Medicine degree.

During medical school, Dr. Lashkari developed a keen interest in cancer care, inspired by the discoveries of new treatments and the possibility of helping people with challenging conditions.

After an internal medicine residency at UCLA, Dr. Lashkari completed a fellowship in hematology and medical oncology at the City of Hope Comprehensive Cancer Center in Duarte, California. He focused his time on learning how to design clinical trials and researching familial cancer syndromes. His vast experience allows him to provide high-quality, compassionate care to his patients.

Dr. Lashkari is certified by the American Board of Internal Medicine, the American Board of Medical Oncology, and the American Board of Hematology. Because of his ongoing dedication to knowing about the latest oncology treatments and advances, he retains active membership in the Medical Oncology Association of Southern California, the American Society of Hematology, and the American Society of Clinical Oncology. He is also an assistant clinical faculty member at Olive View–UCLA Medical Center in Sylmar, California.

Dr. Lashkari enjoying spending time with his wife and two daughters, traveling, running, visiting museums, playing tennis, and cooking. He speaks English and Farsi.

Dr. Yelyzaveta Prysyazhnyuk is a compassionate and highly trained physician with a strong commitment to advancing mental health care. She brings a rich background in internal medicine and a deep interest in the intersection of physical and mental well-being to her role at Vital Psych MD LLC. Dr. Prysyazhnyuk completed her undergraduate studies at Barnard College of Columbia University before earning her medical degree from SUNY Downstate College of Medicine. She went on to complete her residency in Internal Medicine at the Zucker School of Medicine at Hofstra/Northwell NS/LIJ, where she also obtained certifications as a clinician educator and in lifestyle medicine. At Vital Psych MD, Dr. Prysyazhnyuk is excited to focus her practice on supporting individuals through evidence-based care that bridges the gap between physical and mental health. Her clinical experience and academic foundation have shaped her integrative approach, helping achieving overall well-being and a lasting change.