Our Team
PCA’s
Unfailing commitment to the highest quality of care is combined with the expertise of the finest cardiovascular specialists (adult and pediatric) in the country.
Joseph M. Ruggio
Dr. Ruggio earned his medical degree from Albert Einstein College of Medicine in New York City, New York where he graduated AOA. He completed his internship, residency and fellowship in cardiovascular disease also at Albert Einstein College of Medicine. His post fellowship in interventional cardiology training continued at several distinguished institutions in the U.S.
Dr. Ruggio is board certified in internal medicine, cardiovascular disease, and interventional cardiology.
Dr, Ruggio is the Founder and President of Pacific Cardiovascular Associates Medical Group, Inc. (PCA) and serves as President and Chief Medical Officer of Via Vitae MSO, LLC, a Southern California medical services organization which is a partnership with Optum Specialty Practices. Dr. Ruggio serves on various national committees for quality initiatives, value-based care and healthcare reform. He also participates on scientific advisory panels, medical advisory panels at the local and national level and is a board member for several prestigious organizations that include:
- Society of Cardiac Angiography and Interventions
- The American College of Cardiology (California chapter)- Chairman of Quality Initiatives Committee
- Monarch HealthCare- Board of Directors
- Optum Care Cardiovascular Best Practices Committee
Additionally, he has served as Director of Invasive/Interventional Cardiology for several well-known Southern California Hospitals.
Dr. Ruggio has received numerous distinctions and accolades from both academic institutions and managed care organizations. As testimony to the high regard he is held by his colleagues, he was voted Cardiologist of the Year by the American College of Cardiology in 2007 and Provider of the Year by CalOptima in 2016. Dr. Ruggio has co-authored many articles appertaining to cardiovascular medicine, interventional cardiology, and cardiovascular health care delivery in a managed care setting. He is considered an expert on incentive alignment and care delivery network design and implementation delivering true value for all stakeholders. He is passionate about clinical medicine, particularly Interventional Cardiology and is a staunch patient advocate.
Amar Chana
Dr. Chana completed his Medical Degree at Baylor College of Medicine in Houston, Texas. He completed his residency at Northwestern University in Chicago, Illinois; there he received the Excellence in Teaching Award (2005). He then completed his fellowship in cardiovascular medicine at the University of Southern California, Los Angeles (UCLA) where he was elected chief cardiology fellow. Dr. Chana finished his Interventional Cardiology fellowship at the John Hopkins University in Baltimore, Maryland.
Dr. Chana is board certified in internal medicine, cardiovascular disease, and interventional cardiology. He has published several articles in various cardiology publications and participated in multiple clinical investigations. He has also traveled to underserved areas in Bolivia, Spain, India & Haiti to provide cardiovascular care.
Outpatient Locations: Costa Mesa, Orange, Placentia and Anaheim
Languages: Spanish
Charles Parise
Dr. Parise earned a BS in biochemistry from the University of Wisconsin in Madison. He then completed his medical degree at the Medical College of Wisconsin in Milwaukee; there he was honored as a Bob Herzog Scholar. His internship and residency were completed at the University of California, San Diego. Dr. Parise then went on to complete his cardiology fellowship at the University of California, Irvine, where he also served as chief fellow.
Dr. Parise is board certified in internal medicine, cardiovascular disease and nuclear cardiology.
Outpatient Locations: Laguna Hills
Cheng-Han Chen
Dr. Chen earned a bachelors and masters in materials science and engineering from MIT in Cambridge, Massachusetts. He received his MD degree from University of San Diego (UCSD) and his Ph.D. in Bioengineering from the University of California, Los Angeles (UCLA). His internship, residency and fellowship were completed at UCLA. Dr. Chen went on to complete his interventional cardiology fellowship at Columbia University Medical Center-New York Presbyterian Hospital; There he received additional training on structural heart disease. While at Columbia, Dr. Chen was closely involved in major TAVR clinical trials. Dr. Chen has presented his research at major national and international conferences including AHA, ACC, and TCT, and has authored multiple manuscripts and book chapters on subjects including interventional cardiology and cardiac stem cells. Prior to joining PCA, Dr. Chen was on faculty at Columbia University Medical Center.
Additionally, as a medical device engineer for Medtronic, he played an important role in the development of the Endeavor and Resolute drug-eluting coronary stents.
Dr. Chen is board certified in internal medicine, cardiovascular disease, interventional cardiology, nuclear cardiology and adult echocardiography.
Roles: Medical Director, Structural Heart Disease Program
Outpatient Locations: Laguna Hills and Costa Mesa
Languages: Mandarin
Chris Champion
Dr. Champion earned his Bachelor's and Master’s degrees in Biology from Baylor University in Waco, Texas. He completed his medical degree at the University of Texas Medical Branch in Galveston. He remained in Galveston to complete his internal medicine residency as well as his cardiology fellowship. He served as Assistant Professor of Medicine in Heart Failure and Transplant while at UTMB. His career path eventually led him to MD Anderson at the Texas Medical Center in Houston where he aided in the development of the Cardio-Oncology program before moving to California.
Dr. Champion is board certified in internal medicine and cardiovascular disease. He is an expert in non-invasive cardiology and has special proficiency and advanced expertise in the management of complex Congestive Heart Failure.
Outpatient Locations: Costa Mesa
Christopher Tan
Dr. Tan earned his undergraduate degree from the University of California, Los Angeles (UCLA) and his medical degree from the University of California, Irvine (UCI). After internship and residency training in the Department of Pediatrics at UCI and Miller Children’s Hospital in Long Beach, he completed his pediatric cardiology fellowship at the University of California, San Francisco (UCSF). He subsequently completed advanced training in pediatric interventional cardiac catheterization at the University of California, Los Angeles.
Dr. Tan is board certified in pediatric cardiology. He has several publications in various cardiology journals and has participated in several research projects. His areas of clinical interest and expertise include pediatric and adult congenital interventional cardiac catheterization, echocardiography, hypertension, and lipid management.
Roles: Medical Director, Pediatric Cardiology Services
Outpatient Locations: Orange, Torrance and Long Beach
David Weinberg
Dr. Weinberg attended UCLA for his undergraduate studies and then received his medical degree at the University of California, Davis. His internship and residency were completed at the University of Michigan Hospitals. He then went on to complete his fellowship in cardiovascular disease at the University of California, Irvine (UCI).
Dr. Weinberg is board certified in internal medicine and cardiovascular disease.
Outpatient Locations: Placentia Linda and Orange
Paul C. Drury
Dr. Drury earned his BA in Neurobiology and Behavior from Cornell University in Ithaca, New York. He then completed his medical degree at the Keck School of Medicine of the University of Southern California (USC). His internship, residency and cardiac electrophysiology training were completed at Harbor-UCLA Medical Center; there he also served as chief cardiology fellow.
Dr. Drury is board certified in internal medicine, cardiovascular disease, nuclear medicine and has advanced training in echocardiography. He has published several articles in various cardiology publications and participated in multiple clinical investigations.
Roles: Medical Director, Electrophysiology
Outpatient Locations: Laguna Hills and San Clemente
David Chun
Dr. Chun attended Pomona College in Claremont, California for his undergraduate studies, completing a bachelor’s degree in Biology. He then moved on to the University of California, San Diego School of Medicine in San Diego, California for Medical School.
After graduation, Dr. Chun completed both his internship and residency training in Pediatrics at Cedars-Sinai Medical Center in Los Angeles, California. In addition, Dr. Chun completed his fellowship in Pediatric Cardiology at Riley Children’s Hospital in Indianapolis, Indiana.
George Konugres
Dr. Konugres received his Bachelor of Science degree from University of California, Los Angeles (UCLA). He then continued his education at the University of Osteopathic Medicine and Health Sciences College of Osteopathic Medicine and Surgery in Des Moines, Iowa, where he received his Doctorate in Osteopathy. Dr. Konugres completed his internship in internal medicine at JFK Memorial Hospital in Turnersville, New Jersey, followed by residency at Loma Linda University Medical Center in Loma Linda, California. He then completed his fellowship in adult cardiology at Loma Linda University.
He is board certified in internal medicine and cardiovascular disease.
Outpatient Locations: Laguna Hills
Hohai Van
Dr. Van earned his undergraduate degree in Biomedical Engineering from Duke University in Durham, North Carolina. He then obtained his medical degree at the University of Arizona in Tucson. Dr. Van completed his internship and residency at Stanford University and went on to complete his cardiology fellowship at the David Geffen School of Medicine at UCLA in Los Angeles, California. It was there at UCLA that he was appointed chief fellow in the division of cardiology. He then returned to Stanford University to complete a fellowship training program in interventional cardiology.
Dr. Van is board certified in board certified on internal medicine, cardiovascular disease, interventional cardiology, and nuclear cardiology. He has received numerous awards and distinctions from both his undergraduate and medical school institutions. Dr. Van has published several manuscripts and abstracts in various cardiology publications and has participated in several research projects.
He specializes in percutaneous interventions for coronary artery disease, structural and valvular heart disease, and peripheral vascular disease. In addition, Dr. Van performs coronary procedures via transfemoral and transradial approach.
Roles: Medical Director, South PCA and Medical Director, Invasive Interventional Cardiology
Outpatient Locations: Laguna Hills and San Clemente
Languages: Vietnamese
Jessica Li
Dr. Li earned her medical degree from the Central University of Venezuela Medical School in Caracas, Venezuela. She then went on to complete her fellowship in cardiology at the Albert Einstein College of Medicine in New York, New York.
Dr. Li is board certified in cardiovascular disease and nuclear cardiology. Additionally, Dr. Li is a fellow of the American College of Cardiology.
She is a highly trained non-invasive cardiologist whose clinical interests include nuclear cardiology, cardiac CT angiogram (Level II), and echocardiography. Dr. Li is also fluent in Cantonese (native), Spanish.
Outpatient Locations: Orange, Anaheim and Placentia Linda
Languages: Cantonese and Spanish
Julie Turiy
Dr. Turiy completed her medical degree at George Washington University School of Medicine in Washington D.C. During this time, she also completed her Master’s in Public Health/Health Policy at George Washington University School of Public Health in Washington D.C. She completed her internship and residency at Baylor College of Medicine, Texas Children’s Hospital in Houston. Dr. Turiy completed a pediatric cardiology fellowship at the University of Texas Health Science Center in Houston. Before leaving Texas, Dr. Turiy was an Assistant Professor of Pediatrics and acted as a Pediatric Hospitalist for the University of Texas Health Science Center in Houston.
Additionally, Dr. Turiy cares for PCA's adult congenital patients at multiple locations. She has published several articles in various cardiology publications and participated in multiple research projects.
Outpatient Locations: Long Beach, Orange, Laguna Hills, Costa Mesa and Placentia
Languages: Spanish and Russian
Kenneth Wen
Dr. Wen completed his medical degree at the Northwestern University School of Medicine, in Chicago, Illinois. He completed his internship and residency at Beth Israel Medical Center in New York, New York and went on to complete his cardiology fellowship at Maimonides Medical Center in Brooklyn, New York. Until his departure from New York, He was a clinical instructor of Medicine at the Albert Einstein College of Medicine.
Dr. Wen is board certified in internal medicine, cardiovascular disease and nuclear cardiology. He has expertise in all aspects of non-invasive cardiac testing with specific expertise in radionuclide stress testing, transthoracic and transesophageal echocardiography. He is fluent in Mandarin, Taiwanese, and English.
Roles: Medical Director, North PCA
Outpatient Locations: Orange
Languages: Mandarin and Taiwanese
Lamia Dris
Dr. Dris earned her undergraduate and medical degrees from the University of Algiers School of Medicine in Algeria. She completed her internship for internal medicine at Texas Tech University Health Science Center in Odessa, Texas; there she also served as chief resident. Her cardiology and electrophysiology fellowships were both completed at the University of Texas Health Science Center at Houston, School of Medicine.
Dr. Dris is board certified in internal medicine, cardiovascular disease, nuclear medicine, adult echocardiography and cardiac electrophysiology. She has published several articles in various cardiology publications. Dr. Dris is fluent in French and Arabic.
Outpatient Locations: Anaheim, Placentia Linda, Orange & Costa Mesa
Languages: French and Arabic
Mark P. Miller
"Dr. Miller completed his residency and fellowship at the University of California Davis Medical Center. He is Board Certified in internal medicine, cardiovascular disease, and interventional cardiology. Additionally, Dr. Miller holds advanced certification as a hypertension clinician with expert skills and knowledge in the management of clinical hypertension and related disorders. In addition to his clinical practice, Dr. Miller acts as Assistant Clinical Professor of Medicine and Adjunctive Clinical Faculty at Baylor College of Medicine. He recognized for his excellent educational contributions and was awarded "Preceptor of the Year" in 2020 from Marshall B. Ketchum University."
Outpatient Locations: Anaheim and Placentia
Michael Chan Dam
Dr. Dam earned his Bachelor’s Degree in Biological Science from University of California Irvine (UCI). He then completed his Medical Degree at the University of California San Diego (UCSD). Dr. Dam completed his internship at the UCLA/VA West LA Medical Center in Los Angeles, California. He then finished his fellowship at the University of California, San Francisco (UCSF)- Mt. Zion Medical Center. Dr. Dam then completed an additional fellowship in Echocardiography at UCSF.
Dr. Dam is board certified in internal medicine and cardiovascular disease.
Roles: Medical Director, Anticoagulation Program
Outpatient Locations: Orange and Costa Mesa
Languages: Vietnamese
Milan Patel
Dr. Patel earned his BA in Biological Sciences from Rutgers College in New Brunswick, New Jersey. He then completed his medical degree at Albert Einstein College of Medicine in New York. He completed his internship and residency at the UMDNJ- Robert Wood Johnson Medical School in New Brunswick, New Jersey. Dr. Patel then went on to complete a triple fellowship; He studied vascular biology at NIH-Yale University School of Medicine in New Haven, Connecticut, followed by cardiovascular disease and interventional cardiology at SUNY-Stony Brook School of Medicine in New York. During his training, Dr. Patel published several articles in various scientific journals.
Dr. Patel is board certified in internal medicine, cardiovascular disease, interventional cardiology, endovascular medicine, nuclear medicine and cardiac CT.
Roles: Medical Director, Peripheral Vascular Services
Outpatient Locations: Laguna Hills and Costa Mesa
Sinan Denny-Brown
Dr. Denny-Brown is a highly trained pediatric cardiologist who provides the utmost pediatric and fetal heart care. He guides families down the right path for common cardiovascular concerns such as a heart murmur, hole in the heart, chest pain, or a family member with heart disease, as well as for patients with complex congenital heart disease or those at risk of sudden death. Dr. D-B offers his expertise on not only diagnosing and treating heart disease early, but also how to prevent it, which he believes is especially important for the young patients he takes care of.
While he has been in the Los Angeles area for over 8 years now, he is originally from Virginia where he earned his medical degree from Eastern Virginia Medical School. He then moved to California to train at one of the top children’s hospitals in the country – Children’s Hospital Los Angeles – where he completed his internship, residency, and pediatric cardiology fellowship.
Dr. D-B has extensive research experience through his work at Johns Hopkins Hospital, the National Institutes of Health, Massachusetts General Hospital, and Children’s Hospital Los Angeles, and he is an author of multiple publications. He has also served as a reviewer for the peer-reviewed medical journal Pediatric Cardiology. He is a member of the American College of Cardiology and Fetal Heart Society, and a Fellow of the American Academy of Pediatrics.
Dr. D-B is fluent in Spanish and can care for his Spanish-speaking patients in their native tongue. He provides specialized care in all aspects of pediatric and adult congenital cardiology, with particular expertise in echocardiography (cardiac ultrasound), fetal cardiology, high blood pressure and cholesterol management, preventive cardiology, and cardiac critical care.
Chris Konstantinou
Dr. Chis Konstantinou received his medical degree from Ohio State University. He completed his residency in internal medicine at the University of Toronto, Toronto, Canada. After completing his residency, Dr. Konstantinou earned his fellowship in cardiovascular disease from Western University, London, Ontario, Canada, and fellowship in Nuclear Cardiology from University of Toronto.
Dr. Konstantinou has been a faculty member in the Division of Cardiovascular Medicine within the Department of Medicine at the University of Wisconsin-Madison. He has been practicing Cardiology since 1995. Prior to joining UW, Dr. Konstantinou was a founding member of a multi-specialty group and was co-director of their medical imaging laboratory.
Dr. Konstantinou’s clinical interests include general cardiovascular medicine, particularly the early diagnosis and management of coronary artery disease. He also has expertise in non-invasive cardiac assessment using Stress Echo, Myocardial Perfusion Imaging (Nuclear Stress Testing) and CT Angiography with calcium scoring. Dr. Konstantinou’s other clinical cardiac conditions of interest are Heart Failure (HFrEF and HFpEF), various Cardiomyopathies (Hypertrophic and Dilated) and congenital heart disease.
Dr. Konstantinou’s recent clinical research interests focused on trials and studies investigating pharmacological agents to treat heart failure and specific arrhythmias.
Mimi Takigawa, NP
MIMI TAKIGAWA MSN, RN, FNP-C
Mimi graduated Cum Laude earning her bachelor’s degree in Nursing at Biola University. She earned her Master of Science in Nursing and Family Nurse Practitioner degrees at Western University of Health Sciences and completed a Cardiology Specialty Program at Duke University.
As a Family Nurse Practitioner, she completed the Medical Annual Health Assessments on the geriatric population, completed physicals and sick visits for all ages including low-risk prenatal care. She was also an Urgent Care Nurse Practitioner who provided quality service with walk-in patients of all ages regarding non-life-threatening illnesses and minor procedures.
Janice Kim, NP
Janice Kim, RN, MSN, FNP-BC
Manager, Clinical Services
Janice earned her A.S., Nursing at Southern College of SDA and B.S., Nursing at Southern Adventist University. She graduated at Loma Linda University with an M.S. in Family Nurse Practitioner. She is CPR and ACLS certified from the American Heart Association. She also earned her DEA certificate from the U.S. Department of Justice, Family Board Nurse Practitioner Certified-ANCC/ABNS. Janice came to PCA from Kaiser Permanente, Department of Cardiology.
She collaborated with the supervise electrophysiologist/cardiologist in the management of patients with all types of arrhythmias, implanted cardiac device, and CHF. She provided education and discharge instructions for patients with new cardiac implanted devices and device replacement surgery. Janice did pre-operative H&P and evaluation for patients undergoing cardiac implantable devices and device replacement surgery. Janice also did interrogation and program cardiac implantable devices in clinic and remotely online. She also collaborated with other specialties such as ICU team, surgeons, and ER in providing risk stratification and managing complicated patients with cardiac arrhythmias and cardiac implanted devices.
Jay Abad, NP
Austin N. Alicastro, NP
AUSTIN N. ALICASTRO, DNP, BSN, RN
Austin completed her B.S. degree in Anthropology at UC Irvine; obtained her B.S. degree in Nursing at the Loma Linda University School of Nursing and Doctor of Nursing Practice-Adult-Gerontology also at the Loma Linda University School of Nursing.
Austin came from Loma Linda University Inpatient Cardiology and Internal Medicine as a Nurse Practitioner. She was involved in the management of acute care cardiac patients ranging from heart failure management, endocarditis, and electrophysiology events as well as the treatment, management, and evaluation of acute coronary syndromes. Austin monitored and assessed ED patients requiring admission for hospitalization. She managed patient’s s/p surgical procedures such as TAVR’s, Watchman’s, Nodal ablations, PFO closures, and other intermediate surgical procedure. She was also involved in LVAD and transplant work-up. Before joining Loma Linda University’s Inpatient Cardiology and Internal Medicine, she worked at Kaiser Permanente in their Oncology and Orthopedics Department.