Shahriar Jarchi, MD
Internist
384 S Rock River Rd
Diamond Bar, CA 91765
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Availability last updated 04/14/2026
Shahriar Jarchi, MD
Internist
384 S Rock River Rd
Diamond Bar, CA 91765
Selma Prechel
Internist
525 W La Palma Ave
Anaheim, CA 92801
Selma Prechel
Internist
861 S Harbor Blvd
Anaheim, CA 92805
Arjun Makam, DO FACC, is a board-certified interventional cardiologist and a partner physician of Makam Medical in Anaheim, California. He holds board certifications in internal medicine, cardiovascular disease, adult echocardiography, interventional cardiology, nuclear cardiology and clinical lipidology. With his medical expertise and modern approach to cardiovascular diseases, Dr. Makam ensures his patients receive the best cardiovascular care.
Dr. Makam completed his bachelor’s degree in biology at the University of Southern California in Los Angeles, California. After graduating, he pursued his doctorate in osteopathic medicine at Midwestern University in Glendale, Arizona.
Following this, he completed his residency in Internal Medicine at the University of Southern California and continued on as Chief resident of the program. His training aspiriations then took him to New Orleans, Louisiana where he completed fellowship in Cardiovascular disease at the John Ochsner Heart and Vascular Institute, where he also served as Chief fellow of the program. He then returned to California to complete his training at Kaiser Los Angeles Medical Center, where he completed advanced fellowship training in Interventional Cardiology. Most recently he has become a board-certified lipidologist, enhancing his ability to idenitify patient's at the highest risk from choleseterol related complications as well as looking after those with genetic forms of cholesterol.
As a physician who strives to provide exceptional patient experiences, Dr. Makam can speak English, Spanish, and Telugu, and comfortably work with patients’ complex needs. With Anaheim being a central city attracting people from all around the world, he enjoys working with diverse patients of all backgrounds and ages.
Along with his board certifications, he has also completed his supervisor and operator certificate in fluoroscopy through the California Department of Public Health.
To learn more about Dr. Makam and his team’s approach to care, schedule some time to meet with them at Makam Medical.
Dr. Arjun Makam, DO
Internist
1120 W. La Palma Ave
Suite 14
Anaheim, CA 92801
Selma Prechel
Internist
La Palma Nursing Center
Anaheim, CA 92801
Selma Prechel
Internist
1111 W La Palma Avenue
Anaheim, CA 92801
Anooshiravan Hami, MD
Pulmonologist
1111 West La Palma Ave
Anaheim, CA 92801
Advanced Gastroenterology & Liver Institute in Anaheim, Santa Ana, Fullerton, and Huntington Beach, California, provides comprehensive gastroenterology care. People travel from all over to consult with Tahmina Haq, MD, who is well-known for her compassionate care and clinical expertise.
At Advanced Gastroenterology & Liver Institute, Dr. Haq specializes in diagnosing and treating digestive disorders like Crohn’s disease, ulcerative colitis, and hepatitis. She also performs a number of diagnostic procedures, including upper endoscopy, endoscopic ultrasound, and endoscopic retrograde cholangiopancreatography (ERCP).
In addition, people come to Advanced Gastroenterology & Liver Institute for colon cancer screenings and treatment of colon polyps. Dr. Haq maintains an adenoma detection rate (ADR) well above the national benchmark of 25%, as established by leading Gastroenterology societies and published guidelines from the ASGE, ACG, and peer-reviewed medical journals. This reflects her commitment to high-quality, thorough, and preventive patient care.
After earning her Doctor of Medicine at Shifa College of Medicine in Rawalpindi, Islamabad, Pakistan, Dr. Haq completed her internal medicine residency at Loma Linda University Medical Center in Loma Linda, California.
She then completed her gastroenterology fellowship at the University of California, San Francisco (UCSF) and her advanced endoscopy fellowship at Harbor-UCLA Medical Center in West Carson, California.
Dr. Haq takes the time to get to know her patients, building trust and long-lasting relationships. When not taking care of her patients, Dr. Haq enjoys traveling and spending time with her family.
Call Advanced Gastroenterology & Liver Institute or use the online booking button to schedule an appointment today.
Tahmina Haq, MD
Gastroenterologist
801 N. Tustin Ave.
Ste 700
Santa Ana, CA 92705
Dr. John Lee, MD
Internist
400 North Euclid Street
Fullerton, CA 92832
Selma Prechel
Internist
13141 Central Ave Ste D
Chino, CA 91710
Shahriar Jarchi, MD
Internist
1100 E Whittier Blvd
La Habra, CA 90631
Selma Prechel
Internist
1442 Irvine Blvd Suite 104
Tustin, CA 92780
About The Practice
Cardiology Specialists of Orange County, with locations in Santa Ana, Irvine, and Newport Beach, California, provides high-quality cardiovascular services focusing on disease prevention and treatment. The outstanding physicians are board certified in cardiovascular diseases and use cutting-edge technology combined with consistently superior compassionate care to offer optimal patient outcomes.
At Cardiology Specialists of Orange County, patients benefit from triple-accredited laboratory facilities and comprehensive in-house services to make everything as easy as possible. These awards recognize Cardiology Specialists of Orange County's superior commitment to patient care and its provision of quality diagnostic testing.
The advanced diagnostics available include echocardiograms, stress testing, Holter monitoring, event monitoring, and vascular screening. The Santa Ana location also has a nuclear testing and imaging system and offers external counterpulsation (ECP) therapy for patients with chronic stable angina.
Cardiology Specialists of Orange County treat conditions including coronary artery disease, high blood pressure, congestive heart failure, and atrial fibrillation. They can also diagnose and treat symptoms like chest pain, arrhythmia, shortness of breath, and heart murmurs.
Patients can receive expert care for circulatory problems like chronic venous insufficiency and varicose veins. Treatments for these conditions include patient information and education on making healthy lifestyle choices and a wide range of medications. The cardiologists also perform minimally invasive cardiac catheterization procedures such as balloon angioplasty, as well as pacemaker and defibrillator implantation.
For over 30 years, Cardiology Specialists of Orange County has provided invaluable services to the local community, and their cardiologists also have roles at partnering hospitals. The practice has an established patient base with a solid reputation for patient-centered care and receives numerous referrals via word of mouth.
For timely and successful treatment of your cardiovascular problems, call Cardiology Specialists of Orange County or book an appointment online today.
Ravi Masson, MD
Cardiologist
700 N. Tustin Avenue
Santa Ana, CA 92705
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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.
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Dr. Ali Ashtiani, MD
Internist
700 N. Tustin Avenue
Santa Ana, CA 92705
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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.
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Dr. Ethan Yalvac, MD
Internist
700 N. Tustin Avenue
Santa Ana, CA 92705