Call Us:  (940) 759-2271


Texas Cardiovascular Specialists

Richard Ammar, Jr., MD, FACC, RPVI, MBA

Doctor Ammar is currently seeing patients at the local office on Wednesdays each week 9:30 - 11:30.

His specialties include:  Cardiology, Nuclear Cardiology, Vascular Medicine, Interventional Cardiology and Internal Medicine.  He is board certified in all those specialties.

Babu Makkena, M.D., FACC

Doctor Makkena  is currently seeing patients at the local office on First Friday 10:00 - 3:30 and Fourth Friday 9:30 - 11:30.
He specializes in Cardiology (Cardiovascular Disease) and is board certified.


Atif Yousuf M.D.

Doctor Yousuf is currently seeing patients at the local office on Second and Fourth Tuesdays 9:00 - 11:30

Patients of both physicians have the additional advantage of having certain tests ordered and performed at Muenster Memorial Hospital.  The hospital provides:

  • EKGs
  • Treadmill and Nuclear Stress Tests
  • Heart Scans
  • Echocardiograms and Cardiac MRI
  • Along with cardiac blood tests and basic chest x-rays.

MMH also provides cardiac rehabilitation for strengthening following cardiac surgery and procedures.

Appointments with Doctor Ammar or Doctor Makkena or Doctor Yousuf can be made by calling Texas Cardiovascular Specialists, 940-384-4599.  Be sure to tell them that you would like to be seen in the Muenster location.  Learn more by going online at:


Christian Vissers, M.D.

Doctor Vissers is seeing patients every other Thursday starting September 7th 8 am until noon.  

Appointments are made through his Gainesville office - 940-612-8840

MMH Specialty Clinic

503 N. Maple

Wednesdays 9:30 - 1:00

Dr. Richard Ammar

Terri McDaniel, RN, MSN, ACNP

Alternating Thursdays 8:00 - 12:00

Dr. Christian Vissers

Alternating Fridays 10:00-1:00

Dr. Babu Makkena