DIAGNOSIS & TREATMENT OF RHEUMATIC DISEASES

 

So You Can Get Back to Life as it Should Be

ACCESS THE PATIENT PORTAL

Existing patients can retrieve lab results, ask doctors questions, and request appointments.

WHAT WE DO

WHAT MAKES US DIFFERENT
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We treat a variety of rheumatic diseases including rheumatoid arthritis, lupus, osteoarthritis, gout, ankylosing spondylitis, osteoporosis, sarcoidosis, scleroderma, reactive arthritis, and psoriatic arthritis.

We are proud to offer a full range of in-house diagnostic services critical to rheumatology needs including; full service x-ray, and a CLIA certified laboratory for hematology, chemistry, and immunology.

We are the largest Rheumatology practice in Texas.

FIRST TIME VISITOR?

 

WE HAVE AN IMPORTANT MESSAGE FOR YOU.

PEACE OF MIND

We focus on providing care and relief to help you regain normal activities.

TOP RHEUMATOLOGISTS

All our physicians are Board Certified in Rheumatology.

PERSONALIZED CARE

We offer a full range of in-house diagnostic services.

ROBERT JENKINS, M.D., PH.D

Dr. Jenkins is a board-certified rheumatologist and internist. He is a Clinical Associate Professor at the University of Texas Southwestern Medical School. Dr. Jenkins received his medical degree from Baylor College of Medicine. During medical school, he received a Ph.D. in Immunology. Dr. Jenkins completed internship and residency training at Vanderbilt University, followed by fellowship training at the University of Texas Southwestern. He was named a Senior Rheumatology Scholar by the American College of Rheumatology. He published several studies on immunologic processes in rheumatic diseases while an Assistant Professor at UT Southwestern. Dr. Jenkins joined Rheumatology Associates in 1996 and is on the teaching faculty at Texas Health Presbyterian Hospital. He has participated in numerous clinical trials that have been instrumental in developing new therapies for arthritis at the Metroplex Clinical Research Center. Dr. Jenkins devotes much of his time to patient care.

STEPHANIE HENNIGAN, M.D.

Dr. Stephanie Hennigan is board-certified in rheumatology by the American College of Rheumatology. She has extensive expertise in the treatment of rheumatoid arthritis, lupus and other disorders of the joints, bones and muscles. She joined Dallas Rheumatology Associates in 2018. She attended medical school at Louisiana State University Health Sciences Center in New Orleans and completed her residency in internal medicine at the Medical University of South Carolina in Charleston, SC. She completed her fellowship at the University of California at San Diego. A member of the Arthritis Foundation and American College of Rheumatology, Dr. Hennigan has published many articles and received a number of awards from her colleagues. These include the Travel Award from the American College of Rheumatology Research and Education Foundation for the organization’s 2006 – 2008 ACR Scientific meetings. Very committed to individual needs, Dr. Hennigan focuses on solutions that work best for each patient.

Kinza Muzaffar, M.D.

Dr. Muzaffar is a board-certified physician in internal medicine and rheumatology who joined Rheumatology Associates in 2025. She is a member of the American College of Rheumatology since 2019.

Dr. Muzaffar obtained her Medical Degree from Nishtar Medical University in Pakistan. She completed her Internal Medicine residency at Oakhill Hospital/USF affiliate in Brooksville, Florida, and her fellowship in Rheumatology at Louisiana State University Health Shreveport, where she was trained by a renowned American College of Rheumatology Master.

Dr. Muzaffar possesses extensive experience in managing challenging rheumatological disorders, including rheumatoid arthritis, sarcoidosis, systemic lupus erythematosus (SLE), mixed connective tissue diseases, ankylosing spondylitis, psoriatic arthritis, gout, and others. Throughout her career, she has actively participated in research in rheumatology and has published numerous articles. Dr. Muzaffar adheres to the belief that patient treatment should encompass not only medical interventions but also compassionate, empathetic, and integrative approaches.

Sulman Hasan, M.D.

Dr. Sulman Hasan joined Rheumatology Associates in 2025. He is a member of the American College of Rheumatology.

Dr. Hasan received his Bachelor's Degree from Rutgers University and then went on to obtain his Doctor of Medicine degree from Ross University School of Medicine.

Subsequently, he completed his Internal Medicine Residency at Oakhill Hospital/USF affiliate in Brooksville, Florida. He then completed his fellowship in Rheumatology at Louisiana State University in Shreveport. Dr. Hasan has been practicing rheumatology since 2021 and is experienced in treating challenging diseases like RA, SLE, psoriatic arthritis, gout, sarcoidosis, and more.

At LSU, Dr. Hasan conducted research and was trained by a world-renowned ACR Master as well as a pediatric rheumatologist. He believes in treating his patients using evidence-based and cost-effective medicine. Dr. Hasan practices medicine with compassion and a patient-centered approach.

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FIND A CONVENIENT LOCATION NEAR YOU

We provide care to patients throughout the Dallas/ Fort Worth Metroplex with many convenient locations.

DALLAS

8144 Walnut Hill Lane, Suite 800, Dallas, TX 75231  Map Parking

ARLINGTON

1001 N. Waldrop Drive, Suite 816, Arlington, TX 76012  Map  Parking

SOUTH DALLAS

7999 W Virginia Dr, Suite B, Dallas, TX 75237 Map  Parking

FLOWER MOUND

4370 Medical Arts Drive, Suite 350, Flower Mound, TX 75028  Map   Parking

FRISCO

4461 Coit Road, Suite 315, Frisco, TX 75035  Map  Parking

GRAPEVINE

1643 Lancaster Drive, Suite 202, Grapevine, TX 76051  Map   Parking

IRVING

2021 N. MacArthur Blvd, Suite 515, Irving, TX 75061  Map  Parking

NORTH RICHLAND HILLS

8221 Mid-Cities Blvd., Suite 200, North Richland Hills, TX 76182  Map  Parking

PLANO

4708 Alliance, Suite 685, Plano, TX 75093 Map  Parking

ROCKWALL

2504 Ridge Road, Suite 101, Rockwall, TX 75087 Map  Parking