OUR DOCTORS

Founded in 1998, Cardiology Associates of Michigan today has 8 doctors and four offices throughout Macomb County and St. Clair County. Our highly skilled and admired cardiologists focus on personalized, exceptional care, and our doctors, physician assistants, and support staff are known for their sincerity and compassion toward all our patients and their families.

EXPERTS IN CARDIOLOGY

Ann Boeskool, MS, PA-C

“What I like most about my job is the positive impact I have in the lives of my patients. I enjoy educating them on their condition and how we can work together as a team to successfully manage them.”
OUR PHYSICIAN ASSISTANT

Ms. Ann Boeskool is a nationally certified physician assistant specializing in Cardiology. She has over 25 years experience in Cardiology and works closely with each of the physicians at Cardiology Associates of Michigan. Whether it’s answering questions regarding medication or recent treatments or testing or evaluating symptoms, she is available to assist with compassion and expertise. Patients appreciate seeing her in the hospital as she assists physicians in the inpatient setting. She also evaluates patients back in the office shortly after hospital discharge to ensure proper medical therapy continues and all questions have been addressed.

Ms. Boeskool can treat comprehensive cardiology concerns and specializes in cardiovascular risk factor education, including management of lipids, nutrition, diabetes, weight, and blood pressure.  She also works closely with our heart failure management team, which focuses on educating patients and helping them understand their condition and the importance of following prescribed therapies.  Ms. Boeskool sees our at-risk patients on a regular basis between physician appointments to keep up with them and their prescribed therapies with the intent of improving quality of life and reducing frequent hospitalizations.

She is actively involved in the American College of Cardiology as a CV Team Member and is on the Political Action Committee. Ms. Boeskool is also a preceptor for PA students during their cardiology rotations or in obtaining their shadowing experience.

Ann’s enthusiasm and compassion, along with her vast experience, make her an integral part of Cardiology Associates of Michigan team.

Dr. Madjid Mesgarzadeh M.D., F.A.C.C.

“I am very proud to know that I can help my patients improve their quality of life.”

Dr. Madjid Mesgarzadeh (Dr. Mesgar, as he is known to his patients and staff) has been practicing cardiology in southeast Michigan for over 30 years. Dr. Mesgar’s career has included several prominent positions, including Chief of Cardiology at the Veterans’ Administration Hospital in Ann Arbor, Michigan; Chief of Medicine and Medical Staff President at Saratoga Community Hospital in Detroit, Michigan; Chairman of Cardiac Quality Assurance at St. John Hospital and Medical Center in Detroit, Michigan; and Medical Staff President at Holy Cross Hospital in Detroit, Michigan.

He is also a Fellow of the American College of Cardiology. Dr. Mesgar’s areas of special interest include all aspects of adult Clinical Cardiology with long-term experience in Nuclear Cardiology. He is a member of the American Medical Association, American Heart Association, Michigan Medical Society, Wayne County Medical Society, and the American Society of Nuclear Cardiology.

Dr. Mark A. Zainea M.D., F.A.C.C., F.S.C.A.I.

“Seeing this practice grow over the years has been truly astonishing. It wouldn’t have been possible without our excellent doctors and the help of our caring, supportive staff.”

As the President and Chief Medical Officer of Cardiology Associates of Michigan, P.C, Dr. Mark Zainea has seen the practice grow from a solo practitioner with three employees to a single specialty group of seven physicians, a certified physician assistant, and approximately 25 employees in three offices in both Macomb and St. Clair counties. Dr. Zainea was born and educated in southeast Michigan, and he has spent his entire career serving the residents of this region. He has been recognized by his peers on multiple occasions with the “Top Doc” Award from Hour Detroit Magazine.

Dr. Zainea is also a Clinical Assistant Professor at Wayne State University, a Cardiology Fellow/Resident Staff Instructor at Mt. Clemens Regional Medical Center, and a Cardiology Fellow/Resident Staff Instructor at St. John Hospital and Medical Center. He has been recognized by his students multiple times as “Instructor of the Year,” and Dr. Zainea also lends his teaching expertise as a member of the Speakers Bureau for Abbott Vascular Medical – Cardiology Division.

Dr. Zainea holds staff privileges at St. John Hospital and Medical Center, St. John Macomb Hospital, St. John River District Hospital, William Beaumont Hospital – Grosse Pointe Campus, Henry Ford Macomb Hospital, and Mt. Clemens Regional Medical Center, where he is the Director of the Cardiac Catheterization Lab and on both the Cardiology and Medical Staff Quality Assurance Committees. He is also a member of Michigan State Medical Society, American Society of Echocardiography, and the American College of Physician Executives.

Dr. Michael D. Castillo M.D., F.A.C.C.

“Michigan is home to me, which is why I am especially proud to give my patients the care they need as a part of the Cardiology Associates of Michigan team.”

Dr. Michael Castillo began private practice as a cardiologist in Florida. It wasn’t long before he was drawn back to his home state of Michigan, where he did all of his post-graduate training. Dr. Castillo joined the Cardiology Associates of Michigan team in 2005 as it began its expansion.

Dr. Castillo brings a unique qualification to the Cardiology Associates of Michigan group, as he is the only cardiologist trained and qualified in permanent pacemaker implantation. He maintains staff privileges at St. John Hospital and Medical Center, St. John Macomb Hospital, St. John River District Hospital, William Beaumont Hospital – Grosse Pointe Campus, Henry Ford Macomb Hospital and Mt. Clemens Regional Medical Center. Dr. Castillo is a member of the Michigan State Medical Society and the Macomb County Medical Society.

Dr. Mouhammed Joumaa, M.D.

“Accurate PVD diagnosis and treatment requires meticulous attention to detail, and it is one aspect of my career that I find truly rewarding.”

After completing medical school, Dr. Mouhammed Joumaa completed all his post-graduate training in Michigan at St. John Hospital and Medical Center. During this time he completed his residency in Internal Medicine and was named Chief Medical Resident. He then went on to complete fellowships in cardiology, again being honored as “Chief” Cardiology Fellow, and Interventional Cardiology. Dr. Joumaa’s fellowships included extensive training in peripheral vascular diagnostic and interventional procedures, and this specific segment of cardiovascular disease continues to be of special interest to him.

He is qualified in a number of diagnostic and therapeutic procedures, including coronary angiography and angioplasty and carotid angioplasty and stenting. He leads Cardiology Associates of Michigan’s peripheral vascular program and has become known for his expertise and compassionate, appropriate, and effective treatment of patients suffering with PVD/PAD.

Along with his private practice he is Co-Director of the Chest Pain Center and a Resident/Fellow Staff Instructor, both at St. John Hospital and Medical Center. He also maintains staff privileges at St. John Macomb Hospital, St. John River District Hospital, William Beaumont Hospital – Grosse Pointe Campus, Henry Ford Macomb Hospital, and Mt. Clemens Regional Medical Center.

Dr. Nancy Mesiha, M.D., F.A.C.C.,

“Heart health is different for men and women. Being the only female cardiologist in St. Clair County, I feel privileged to be able to address the specific needs of women through personalized treatment plans.”

Dr. Nancy Mesiha has made Michigan her home since 1999, when she came to the Detroit area to complete her residency in Internal Medicine at St. John Hospital and Medical Center. Dr. Mesiha is board certified in Cardiovascular Disease, Adult Echocardiography, Nuclear Cardiology, and Internal Medicine. Along with her private practice, she is the Director of Cardiac CT, Assistant Program Director for the Cardiovascular Fellowship Program, and a member of the teaching faculty, all at St. John Hospital and Medical Center. She also holds staff privileges at St. John Macomb Hospital, St. John River District Hospital, William Beaumont Hospital – Grosse Pointe Campus, Henry Ford Macomb Hospital, and Mt. Clemens Regional Medical Center.

Dr. Mesiha is a member of the American College of Physicians, Michigan State Medical Society, American Society of Echocardiography, and the American Society of Nuclear Cardiology. She is a Fellow in the American Academy of Cardiologists and the American College of Cardiology, where she currently serves as an At-Large Councilor for the Michigan Chapter. She also has the special distinction of being the only female cardiologist practicing in St. Clair County. Dr. Mesiha’s areas of special interest include heart disease in women and adult congenital heart disease.

Dr. Sheel Tolia, D.O.

“Getting hired here was like a dream come true for me. Helping others is in my nature, and this is the most fulfilling job I could have asked for.”

Dr. Sheel Tolia earned her bachelor’s degree locally at Wayne State University, where she majored in biological sciences with a minor in psychology. From there she moved up to East Lansing and earned a degree in Osteopathic Medicine from Michigan State University. She was then accepted for the Internal Medicine Residency at St. John Macomb Campus and was eventually named the Chief Cardiology Fellow in 2014.

Dr. Tolia is board certified in Internal Medicine, General Cardiology, Echocardiography, and Nuclear Cardiology. She is the newest member of the Cardiology Associates of Michigan team, joining in the summer of 2018. She is on staff at St. John Hospital and Medical Center, St. John Macomb-Oakland (Macomb Campus), and St. John River District. She is a member of the American Osteopathic Association and American College of Cardiology.

Dr. Sherezade Khambatta, D.O.

“I am so proud to be a part of what we fondly call the ‘CAMily’ for many reasons, including how much we genuinely care about each other and our patients.”

After earning her master’s degree in healthcare administration from the University of North Carolina at Chapel Hill, Dr. Sherezade Khambatta was accepted into the College of Osteopathic Medicine at Des Moines University, where she graduated with honors. From there she went to Rochester, Minnesota and completed her Internal Medicine Residency at the Mayo School of Graduate Medical Education. In 2011, she made her way to Michigan, where she completed both her Fellowship in Cardiovascular Medicine and her Fellowship in Interventional Cardiology at St. John Hospital and Medical Center. She was honored as Chief Cardiology fellow.

Dr. Khambatta is board certified in Internal Medicine, Cardiovascular Disease, Interventional Cardiology, Echocardiography, and Nuclear Cardiology. She joined Cardiology Associates of Michigan in November 2016 and is currently on staff at Henry Ford Macomb Hospital and McLaren Macomb Medical Center, where she is a member of the teaching faculty for the Cardiology Fellows.

Dr. Zain Azzo, M.D.

“I have the career I’ve always wanted. Card of Mich has an amazing staff, and we truly care about the well-being of each and every one of our patients.”

Dr. Zain Azzo is board certified in internal medicine and cardiovascular disease. He is also certified in echocardiography and nuclear cardiology. A graduate of Baghdad University School of Medicine, he did his residency training in internal medicine at St. John Hospital and Medical Center, where he was recognized as resident of the year twice.

He then became a chief medical resident and junior faculty in the internal medicine program. Dr. Azzo completed his fellowship training in cardiovascular disease at St. John Hospital and Medical Center. His clinical interests include all aspects of cardiovascular disease diagnosis and management, with special interest in cardiac care of cancer patients. He is a member of the American College of Cardiology.

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