Learn how CHRISTUS Health is keeping you and your family's health our #1 priority amid the spread of the COVID-19 Delta variant. Learn More

CHRISTUS Trinity Clinic Cardiology & Interventional Cardiology - Longview

Our Approach

Our expert providers are board certified in cardiology and can conduct procedures including heart bypass surgery, minimally invasive heart valve surgery, Maze surgery, endovascular stent graft repair, atrial septal defect repair, radial heart caths, percutaneous temporary left ventricular assist devices, minimally invasive laser treatment procedures, and electrophysiology studies.

CHRISTUS Trinity Clinic is an outpatient department of CHRISTUS Good Shepherd Medical Center.

Our Location

CHRISTUS Trinity Clinic Cardiology, Interventional and Electrophysiology - Longview
707 East Marshall Avenue
Longview, Texas 75601

Request An Appointment

If This Is a Medical Emergency, Please Dial 911

NOTE: A representative from CHRISTUS Health will contact you between 8:30 am and 5:00 pm CDT to help you schedule an appointment.

Our Team


William Barker, ACNP


LaMont Davis

LaMont Davis, FNP-C

Cardiology, Nurse Practitioner

Dr. John McClish

John Christopher McClish, MD

Cardiology, Cardiology, Interventional

Chief of Cardiology, Longview

Accepting Virtual Visits
Dr. Mekala Karthik

Karthik Mekala, MD

Cardiology, Interventional, Cardiovascular Disease

Amber Ott, FNP

Amber Ott, FNP

Cardiology, Electrophysiology (Rhythm Disorders), Electrophysiology, Nurse Practitioner

Accepting Virtual Visits
Dr. Dean Sabayon

Dean Sabayon, MD

Cardiology, Electrophysiology (Rhythm Disorders), Cardiology

Accepting Virtual Visits