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 complete a complex and thorough assessment of your medical and family history. Your final treatment plan includes the diagnosis and treatment of:

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

Our goal is to provide diagnosis and treatment to help alleviate pain, 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.

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

Meet Dr. Alissa, Rheumatologist

Dr. Hassan Alissa, Rheumatologist

Hassan Alissa, MD is a board certified Rheumatologist with over 20 years of experience in autoimmune diseases. He completed his internal medicine residency at the University of Chicago/Louis A. Weiss Memorial Hospital in 1999. Followed by, a Rheumatology fellowship at Loyola University Medical Center.

He began practicing in Central Texas in 2009. In 2013, he founded The Arthritis Clinic of Central Texas in San Marcos. He is a member of the American College of Rheumatology and the American College of Physicians.

Dr. Alissa is currently accepting new patient appointments. Evaluations are available for arthritis, fibromyalgia, lupus and other arthritic conditions. Call us today to schedule an appointment.

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Meet the Staff

Nurse Practitioners: Jasmine Trevino, Ryan Hall
Administrator: Sophia Darwich
Office Manager: Natalia Mendoza
Medical Assistants: Deborah Holmes, Jessica Prieto, Melissa Guerrero
Infusion Team: Miri Ybarra, Tonya Woller
Billing: Amanda McClellan, Audrey Raez, Wendy Morales, Mckinnah Lozano, Marlene Morneau
Marketing Director: Jessica Pina
Reception: Adriana Navarro
New Patient Coordinator: Kaelynne Ybarra


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

8 a.m. - 5 p.m. Monday - Thursday
8 a.m. - 2 p.m. Friday
Closed Saturday & Sunday