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Memorial Hermann Medical Group Cardiology The Woodlands

9305 Pinecroft Ste 300
The Woodlands, TX 77380

Clinic Hours:
Monday - Thursday: 7:00am - 4:30pm
Friday: 7:00am - 1:00pm

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Meet The Woodlands Cardiology Medical Providers

Jan Jeansonne

Jan Jeansonne, MSN, RN, FNP-C
Family Nurse Practitioner


Tina Cates, MSN, APRN, NP-C
Family Nurse Practitioner

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About MHMG The Woodlands Cardiology Clinic

Memorial Hermann Medical Group (MHMG) Cardiology-The Woodlands doctor's office combines skilled professionals and state-of-the-art technology to deliver highest-quality, patient-centered cardiology services to The Woodlands and Conroe communities.

Our team of experienced cardiologists focuses on timely prevention and intervention that minimize the risk of heart attack and stroke, but central to our practice are caring and empathetic relationships with patients based on two-way communication and trust.

Why should MHMG be your first choice for health care? At the MHMG Cardiology-The Woodlands Medical Office, you have access to:

  • Conveniently located state-of-the-art diagnosis and treatment for cardiology patients in The Woodlands, Conroe, Magnolia and nearby communities
  • The wealth of clinical resources provided by the Memorial Hermann Medical Group – one of the Houston area’s largest and most experienced physician networks
  • MHMG’s convenient 24/7 online patient portal

Using state-of-the-art diagnostic tools to determine risk factors or the presence of heart disease, our physicians diagnose and treat a complete spectrum of congenital and acquired heart conditions including valve defects, heart failure, heart attack and coronary artery disease. Our services range from basic screening tests to 64-slice CT (computerized tomography) coronary and peripheral vascular angiography.

Our highly experienced specialists also provide leading-edge interventional procedures to treat cardiac and peripheral vascular disease.

Dr. Amilcare Avendano is board certified in interventional cardiology, cardiology and internal medicine. He completed his internship, residency in internal medicine and fellowship training in interventional cardiology at Baylor College of Medicine in Houston. Dr. Avedano speaks Spanish and sees patients 18 and older. His clinical interests are pacemaker placement, catheterization and peripheral angioplasty, coronary and peripheral stents, and echocardiography.

Dr. Gustavo Grieco is board certified as an internal medicine specialist with a sub- specialization in cardiology. He completed his internship and residency in internal medicine at the University of Cincinnati (Ohio) and did fellowship training in interventional cardiology at Baylor College of Medicine in Houston. A member of the American College of Cardiology, Dr. Grieco speaks Spanish and treats patients 18 and older.

Dr. Hajin Lim is board certified in cardiovascular disease, nuclear cardiology and internal medicine. He earned his medical degee and completed an internship and fellowship in cardiology at Seoul National University College of Medicine in South Korea. He completed a second residency and fellowship in cardiology at State University of New York Health Sciences in Brooklyn, New York. Dr. Lim speaks Korean. His areas of clinical interest are coronary artery disease, heart failure, arrhythmias, invasive and general cardiology, and nuclear and preventive medicine.

Jan Jeansonne is licensed and board certified as an advanced practice registered nurse. A graduate of Texas Woman’s University, she holds a degree as a family nurse practitioner. She is highly experienced in critical and emergency room care with expertise in serving the complex needs of cardiology patients. She makes it a point to listen carefully to her patients and help them create their long-term health plans.

MHMG Cardiology-The Woodlands is conveniently located near I-45 and Research Forest Drive near Memorial Hermann Hospital-The Woodlands.

Patient Testimonials

Dr. Avendano is a really good doctor - knowledgeable and professional. I had a wonderful experience. He has a great bedside manner! - Patient of Dr. Avendano

Nurse spent a lot of time calming me down on chemical stress test. She described the procedure well, helped relax me. - Anonymous

Everyone was VERY nice and helpful. They made it a comfortable experience. - Anonymous