Dr. Joseph C Apostol

Dr. Joseph C Apostol MD, FACC, FSCAI

  • Medical School
    University of Missouri-Kansas City; Kansas City, MO
  • Internal Medicine Residency
    Mayo Clinic; Rochester MN
  • Cardiology Fellowship
    Georgetown University; Washington DC
  • Cardiovascular Research Fellowship
    Scripps Clinic & The Scripps Research Institute; La Jolla, CA
  • Interventional Cardiology/Peripheral Vascular Fellowship
    The Care Group/Indiana Heart Institute; Indianapolis, IN

Dr. Apostol is a board certified Interventional Cardiologist and founding member of CardioVascular Consultants of Montana in Billings. His specialty areas of interest include acute myocardial infarction intervention, women’s heart health, non- invasive methods of coronary artery disease evaluation, and transcatheter aortic valve replacement (TAVR). In his free time, Dr. Apostol enjoys golf, snowboarding, and traveling with family and friends. He is married and has two sons.

Dr. Christina YF Ho

Dr. Christina YF Ho MD

Christina YF Ho, MD is a board certified Family Physician and Managing Partner/Practice Administrator of CardioVascular Consultants of Montana.  She received her Doctor of Medicine degree at the University of Missouri-Kansas City in 1993 and completed her residency in 1996 at St. Joseph’s Hospital and Medical Center in Phoenix , AZ. While her initial medical practice  focused on traditional primary care medicine, she has developed a passion for heart care through the many patients she has cared for over the years.  Her interests were further supported in her role as a Supervising Stress Physician with The Care Group at the Indiana Heart Institute in Indianapolis, IN.  After a career hiatus to devote time to raising her two young sons, she returned to healthcare in 2009 as the managing partner and business administrator of CardioVascular Consultants.  She embraces the challenge of running an efficient technologically advanced office while providing the highest level of quality compassionate medical care.

Mary Tucker

Mary Tucker Certified Physician Assistant

Mary Tucker, PA-C grew up in Ontonagon, MI. She obtained her undergraduate degree in Physiology from Michigan State University in 1986.  In 1989 she received a Masters degree in Cardiac Rehabilitation from the University of Wisconsin-LaCrosse.  She is a certified Exercise Specialist with the American College of Sports Medicine and worked as the coordinator of Hammons Heart Institute in Springfield, MO.   Mary furthered her professional career at Southwest Missouri State University in 2005 and became a certified Physician Assistant with special interests in Cardiology.  Dr. Apostol and Mary have had the unique privilege of working together since that time.  In addition to being a huge sports enthusiast,  she enjoys running, hiking, biking and playing with her two dogs.


Heidi Director of Financial Relations

Heidi is an eastern Montana native hailing from Baker, MT. Married with one son, her passions include horses, rodeo, and spending time outdoors with her family. She began her professional career at St Vincent’s Hospital in 1999 and proceeded to obtain her coding certification in 2001. Heidi is one of our original staff who started with CardioVascular Consultants when the practice first opened in February 2009. With her years of experience in billing, coding, and management of patient accounts, she serves this office well as the Director Financial Relations.


Alyssa Registered Nurse

Alyssa grew up in southwestern Minnesota. She received her Bachelors of Arts in Nursing from Concordia College in Moorhead, MN in 2001. After graduation, she worked as an RN in the Cardiac Intensive Care Unit in Fargo, ND. In 2004 Alyssa and her husband moved to Billings where she worked in the Intensive Care Unit at St. Vincent Hospital for 7 years. Soon after, she joined the CardioVascular Consultants of Montana staff in May 2011. When not working, Alyssa keeps busy in the activities of her four children and enjoys baking, playing the piano and singing at church.


Kerry Registered Nurse

Kerry is originally from Canada. She received her nursing degree and training in Alberta and moved to the United States in 1995. Most of her career has been spent working in cardiac ,neonatal and intensive care units. After taking time off to stay at home with her children, she returned to the work force looking for a challenging but family friendly position. She joined us in 2015. Kerry is married with 2 children and enjoys knitting, reading, and traveling.


Eric Lead Echocardiographer

Eric is originally from Melbourne, FL and has been in the Cardiology field since 1991. His education began in 1990 at Brevard Community College and then to the United States Army Academy of Health Sciences in San Antonio, TX where he attained his credentials (RCS, RCIS) and certifications as a Cardiovascular Technology specialist. He received a Bachelor of Science degree in 2001 from Montana State University – Billings in Management and Communications. Past work experience has included supervisory and management level roles in the military, at Billings Clinic and St Vincent Healthcare. He enjoys golf, playing the piano and spending time with his daughter.

Josh Nuclear Medicine Technologist

Josh is a Montana native who graduated high school in Lincoln MT and attended Montana State University in Bozeman. He received a Bachelors of Science degree in Cell Biology and Neuroscience in 2004. He then went on to Bellevue College in Bellevue, WA where he received his Associates degree and Board Certification in Nuclear Medicine Technology in 2006.  Josh is married and has four children.  He enjoys spending time with his family, hunting, and fishing.


Tara Echocardiographer

Tara is originally from Georgia. She is a 1998 graduate of Valdosta State University in Valdosta Georgia with a BA in Sociology and Anthropology. In 2001, she attained certification as a cardiac ultrasound technician and soon after received her board credentials (RDCS). While most of her professional career has been spent in Atlanta GA, she spent the past two years as a travel ultrasound technician which led her to Billings. Tara recently relocated in August 2017 permanently to Billings to join Cardiovascular Consultants of Montana. She is an animal and book lover, enjoys hiking the beautiful trails of Montana and traveling back home to Georgia to visit friends and family.


Tammi Medical Receptionist

Tammi has lived in Billings most of her life. She is a graduate of Billings West High school and Great Falls Commercial College. Previously employed as medical receptionist and a self employed medical transcriptionist, she now has the pleasure of greeting each patient as they come through our doors. Hobbies include reading and cooking. Tammi is married and nothing brings her more joy than spending time with her husband, sons, and now grandchildren.