FAX: 512.667.7328
1340 Wonder World Dr.
Bldg. 2, Suite 2203
San Marcos, TX 78666
Closeup of athletic Caucasian man holding his painful knee on soccer field

About Arthritis Clinic of Central Texas

At Arthritis Clinic of Central Texas our rheumatology health care professionals evaluate your muscle and joint pain to begin a treatment plan. We will gather all the information we can including your family history and your medical records. Our services include the diagnosis and treatment of:

  • Rheumatoid Arthritis
  • Lupus
  • Gout and Osteoarthritis
  • Ankylosing spondylitis
  • Fibromyalgia
  • Inflammatory Myopathy, Scleroderma, Vasculitis
  • LBP, Tendinitis, Chronic Back Pain
  • And more…

We aim to provide diagnosis and treatment of such disorders to help alleviate your pain. The treatment will improve joint function and your quality of life after every visit.

Our treatment approach combines oral, subcutaneous and infusible medications along with physical therapy, joint injections, diagnostic ultrasonography and clinical trials.

We are located mid-way between Austin and San Antonio. Our patients’ base extends west to Dripping Springs and Wimberley and east to Bastrop, Gonzales, Seguin, Luling and Lockhart.

Meet Dr. Hassan Alissa, Rheumatologist

Dr. Hassan Alissa, RheumatologistDr. Alissa has been practicing Rheumatology  for over 15 years. He received his medical degree in 1992 from Damascus University School of Medicine, Syria. He completed his internal medicine residency at the University of Chicago/Louis A. Weiss Memorial Hospital in 1999. A couple years later he completed a rheumatology fellowship at Loyola University Medical Center. He went on to practice as a rheumatologist in southwest Missouri and Houston, TX.

He came to San Marcos in 2009 when he joined a specialty clinic until he opened the Arthritis Clinic of Central Texas in 2013. He performs rheumatology based practice focusing on autoimmune inflammatory joint disorders. He is a member of the American College of Rheumatology and the American College of Physicians.

Dr. Alissa is taking new patient appointments for arthritis, fibromyalgia, lupus and other arthritic conditions. Call us today to schedule an appointment.

Meet the Staff

Nurse Practitioners: Jasmine Trevino, Ryan Hall
Administrator: Sophia Darwich
Office Manager: Natalia Mendoza
Medical Assistants: Deborah Holmes, Yvette Guerrero, Cynthia Gomez, Melissa Guerrero, Destiny Sanchez
Infusion Team: Chad Doan, RN, Miri Ybarra, LVN
Billing: Marlene Morneau, Audrey Raesz, Gloria Sandoval
Research Nurse: Michelle Kelly, LVN
Reception and Front Office: Raquel Perez-Colvin, Crystal Garcia, Christina Melendez


Arthritis Clinic of Central Texas
1340 Wonder World Dr.
Bldg. 2, Suite 2203

San Marcos, TX 78666
Phone: 512.667.7123 FAX: 512.667.7328

Our Hours


Saturday & Sunday