Find a Top Internist Near Me in Los Angeles, CA – Book an Appointment Instantly

Brett Wertman, MD, FACC, is a triple board-certified cardiologist who is widely respected for his treatment and care for patients at Coastal Cardiology of Orange County in Ladera Ranch and Irvine, California.

Dr. Wertman, who twice has been named a Physician of Excellence by the Orange County Medical Association, also leads the Cardiac Rehabilitation Program at Hoag Hospital Irvine in Irvine. 

An Orange County native, Dr. Wertman graduated summa cum laude and with Phi Beta Kappa Society honors in earning his Bachelor of Arts degrees in biochemistry and molecular, cellular, and developmental biology from the University of Colorado Boulder in Boulder, Colorado.

Dr. Wertman then completed his medical degree from the University of Washington in Seattle, Washington, and went on to finish his internship and residency training in internal medicine at Ronald Reagan UCLA Medical Center in Los Angeles, California.

He completed his fellowship training in cardiology and interventional cardiology at Cedars-Sinai Medical Center, also in Los Angeles.

Dr. Wertman has authored numerous publications in leading peer-reviewed journals and participated in live case transmissions to national meetings, demonstrating new techniques in the treatment of coronary artery disease and valvular heart disease. 

Dr. Wertman is highly trained in the percutaneous treatment of valvular heart disease, including aortic valve replacement using the Edwards Sapien heart valve system, as well as mitral valve repair using the Abbott MitraClip™ system. He also has significant experience in other novel interventional therapies.

He looks forward to welcoming new patients and offering superior care to those returning to Coastal Cardiology of Orange County.

In Dr. Wertman’s spare time, he enjoys relaxing with his family, traveling, and exercising.

Huy Nguyen, MD, FACC, a cardiologist at Coastal Cardiology of Orange County, has deep roots in Irvine, California, one of the communities the practice proudly serves, along with Ladera Ranch, California.

Dr. Nguyen grew up in Irvine and received his Bachelor of Arts in biology from the University of California, Irvine. 

He then earned a master's in applied physiology and earned his medical degree from Chicago Medical School, one of the graduate schools of the Rosalind Franklin University of Medicine and Science in North Chicago, Illinois. 

Back in Orange County, he completed his internship and residency in internal medicine, as well as his fellowship training in general cardiology, all at UC Irvine Medical Center in Orange, California.

He then moved to New York to complete his interventional cardiology fellowship at Mount Sinai Hospital in New York City, where he was awarded Outstanding Interventional Cardiology Fellow of the Year.

Throughout the course of his training, Dr. Nguyen has given numerous lectures and presentations, and has authored publications in peer-reviewed journals on various topics in both general and interventional cardiology.  

He was involved with and participated in live case demonstrations at Mount Sinai Hospital, focusing on complex coronary interventions.

Dr. Nguyen believes in a patient-centric approach to cardiovascular care and focuses on the collaborative efforts with his patients in optimizing their outcomes.

In his spare time, Dr. Nguyen enjoys spending time with his family, watching movies, playing basketball, and surfing.

Teferi Mitiku, MD, FACC, is a board-certified cardiologist in Clinical Cardiac Electrophysiology and Cardiovascular Disease. He specializes in cardiac electrophysiology (EP) and provides the entire spectrum of arrhythmia treatments, including medical therapy, catheter ablation, and device-based therapy. Dr. Mitiku strives to provide compassionate care for his patients at Coastal Cardiology of Orange County in Irvine and Ladera Ranch, California.

Dr. Mitiku earned his Bachelor of Science in molecular cell and development biology from the University of California, Los Angeles (UCLA), graduating magna cum laude. He went on to attend the David Geffen School of Medicine at UCLA, receiving his Doctor of Medicine. 

He then completed his internship and residency in internal medicine at Stanford University Hospital in Stanford, California, before completing cardiovascular medicine and electrophysiology fellowships at Yale New Haven Hospital in New Haven, Connecticut.

He previously served as the Director of Electrophysiology and an Assistant Professor of Medicine in the Division of Cardiology at the University of California, Irvine (UCI) School of Medicine and Wayne State University School of Medicine.

During his academic appointments, Dr. Mitiku enjoys teaching medical students, residents, and cardiology fellows. He was awarded Outstanding Teacher of The Year for three consecutive years and was granted entry into the Gold Humanism Honor Society.

Dr. Mitiku is affiliated with UCI Medical Center in Orange, California, and serves as the director of electrophysiology at Hoag Irvine Hospital in Irvine, California. At Hoag, He was awarded the top quality performer within the Cardiology peer group for 2019 and 2020. He is also a member of the American Heart Association, American College of Cardiology, and the American Medical Association.

He looks forward to welcoming new patients and providing excellent care for those continuing at Coastal Cardiology of Orange County.

Mahmoud Eslami-Farsani, MD, FACC, FSCAI, is a board-certified cardiologist at Cardiology Specialists of Orange County in Santa Ana, Irvine, and Newport Beach, California. He has special interests in coronary intervention, including angioplasty, stent placement, valvuloplasty, valvular heart disease, and peripheral vascular intervention. 

Dr. Eslami-Farsani earned his medical degree from Hahnemann University in Philadelphia, Pennsylvania. He then completed his internship and residency at the University of California, Irvine Medical Center in Orange, California, before completing his interventional and cardiology fellowships at the University of Southern California in Los Angeles.

He holds board-certifications in cardiovascular disease, interventional cardiology, and internal medicine. To remain up-to-date on the latest developments in his field, Dr. Eslami-Farsani is a member of the American College of Cardiology, the American Medical Association, and the American College of Physicians. 

Dr. Eslami-Farsani is currently welcoming new patients and looks forward to partnering with them. Schedule an appointment with Dr. Eslami-Farsani by calling the office or booking online today.

Ali Ashtiani, MD is a fellowship-trained, board-eligible interventional cardiologist at Cardiology Specialists of Orange County (CSOC) practicing in Santa Ana, Irvine, and Newport Beach, California. He has special interests in coronary intervention including coronary angioplasty & stent placement, pacemaker implantation, and valvular/structural heart disease.

Dr. Ashtiani received his medical training in our very own Orange County. After earning his medical degree from the University of California, Irvine Medical Center in Orange, California, he went on to complete internal medicine internship and residency followed by cardiology fellowship and advanced fellowship training in interventional cardiology at the same institution.


Dr. Ashtiani is affiliated with Hoag Hospital Heart and Vascular Institute in Newport Beach, Hoag Hospital Irvine, & Hoag Orthopedic Institute, St. Joseph Hospital in Orange, and Orange County Global Medical Center in Santa Ana.

Dr. Ashtiani is currently welcoming new patients and looks forward to providing individualized care with patience and compassion just as he would treat his own family. Schedule an appointment with Dr. Ashtiani by contacting our office today.

Board-certified cardiologist Ethan Yalvac, MD, FACC, FSCAI, RPVI, CBNC, is proud to provide comprehensive care to patients at Cardiology Specialists of Orange County in Santa Ana, Irvine, and Newport Beach, California.

Dr. Yalvac received his Bachelor of Arts in economics and math, graduating cum laude. He earned his Doctor of Medicine from the University of Texas Medical Branch School of Medicine in Galveston. He then completed his internship and residency in internal medicine at Tulane University in New Orleans, Louisiana. Afterward, Dr. Yalvac completed a general cardiology fellowship at the Tulane University Heart and Vascular Institute before completing an interventional cardiology fellowship at the University of California, San Diego. 

He holds certification from the Board of Nuclear Cardiology in advanced cardiac life support and is Level II trained in echocardiography. Dr. Yalvac is a member of the Society for Vascular Ultrasound, and a fellow of the American College of Cardiology and the Society for Cardiovascular Angiography and Interventions.

Dr. Yalvac is affiliated with Hoag Hospital and Hoag Vascular Institute in Newport Beach, Hoag Hospital & Orthopedic Institute in Irvine, St. Joseph Hospital in Orange, and Orange County Medical Center in Santa Ana, California.

Dr. Ahsan Rashid and the Internal Medicine Associates of Sand Canyon serve residents throughout Southern California, especially those in Orange County and around the Irvine area. Dr. Rashid has over 27 years of experience in internal medicine and uses it to provide his patients with the highest level of care. Dr. Rashid and his staff can assess and serve every health need from diabetes control to annual physicals, weight loss programs, EKG testing, in-house blood work, and vaccinations. Patients needing effective treatment plans for high blood pressure, high cholesterol, diabetes, and many other common health conditions can make needed improvements in their lives after consulting with Dr. Rashid.

Dr. Rashid is a board certified physician who earned his medical degree from Dow Medical College, now Dow University of Health Sciences, Karachi, Pakistan. He performed his residency at the Nassau County Medical Center in East Meadow, NY, a major affiliate of SUNY at Stony Brook. Dr. Rashid and his team stay up-to-date with the latest technology and procedures to ensure you receive the best medical care available. Dr. Rashid provides his patients with complete health evaluations that address all areas of concern and how to improve each one. From busy executives to the hectic life of a working parent, Dr. Rashid’s goal is to provide his patients with a comprehensive, and efficient medical experience.

Dr. Hilda Riderer was born and raised in Romania and moved to California with her family when she was a young girl at 9 years old.

She always had a passion for medicine so she pursued an education in the medical field going to osteopathic medical school in Denver, Colorado and completing her Internal Medicine residency in Long Beach, California. Her love of medicine developed into a love for aesthetics but also for preventive medicine and she began exploring options in more natural ways to heal the body and make her patients feel healthy and also beautiful from the inside and out.

She met her best friend Dina during her medical school training and dreamed for years about plans to expand their passion and knowledge before finally opening up me.losangeles aesthetics in 2019 to pursue their mutual goal. To date, she’s still very excited to continue the pursuit of preventive medicine offering services at the spa such as IV and vitamin infusions but with a touch of aesthetics to help her patients look and feel their best.

She’s always exploring ways to grow the spa in such a way to incorporate these ideas and be the best doctor she can be to all of her patients.

Dr. Barkodar is Board Certified in Internal Medicine. Dr. Barkodar received her medical degree from Albert Einstein College of Medicine. She went on to complete her internship and residency in internal medicine at Cedars Sinai Medical Center. She has a special focus on womens health. She is on staff at Cedars-Sinai Medical Center.

Has a multicultural and comprehensive approach to his practice. • Received medical education at Sackler School of Medicine, Tel Aviv University, Israel. • Completed residency training at Cedars-Sinai Medical Center. • Additional training: Women’s Heart Disease and Heart Failure-Heart Transplant at Cedars-Sinai Heart Institute. • Successfully finished one of the busiest programs in the country in both Cardiovascular Disease and Interventional Cardiology specialties at Hofstra North Shore – LIJ School of Medicine, New York. Treating wide range of diseases: Arrhythmias, coronary artery disease, heart failure, hyperlipidemia, hypertension, peripheral vascular disease involving arterial and venous systems, valvular heart disease Special skills and interests in complex coronary and peripheral vascular interventions.

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.

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.