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About Andrea D’Gama

Andrea D’Gama, FNP, joined Katy Rheumatology in 2020, and under the supervision of Dr. Chimata, has dedicated her time caring for patients’ with rheumatological conditions. She has over 5 years of experience as a FNP, and more than 20 years as a registered nurse. All of this experience has enabled Andrea to follow her passion of managing patients with chronic rheumatological conditions. 

Andrea earned her Bachelor of Science degree in Nursing from India and then went on to earn her Master of Science in nursing as a family nurse practitioner from Texas Woman’s University in Houston.  She can speak up to 5 languages, English, Hindi, Urdu, Tamil, Kannada. 

She has called Texas her home for the past 21 years, most of which in the West Houston Area. Andrea is more than just a Nurse Practitioner, she is a loving wife, and mother. In her past time, she enjoys cooking, baking, traveling, tasting new foods, and caring for her family.

Dr. Hammad Qureshi is a board-certified family physician and the founder of Creekside Wellness Centre, where he focuses on aesthetic medicine, advanced wellness optimization, medical weight management, and hormone therapy. With a passion for helping patients look, feel, and perform at their best, Dr. Qureshi blends evidence-based medicine with cutting-edge treatments to deliver personalized care that goes beyond traditional healthcare. His approach emphasizes restoring balance—from optimizing hormones and metabolic health to enhancing natural aesthetics—so patients can achieve sustainable energy, confidence, and long-term vitality. Through a comprehensive, patient-centered model, he integrates body composition analysis, lifestyle strategies, and targeted therapies to create results that are both clinically effective and visibly transformative.

Vital Clinic and Spa's founder, Harman Buttar, MD completed her training in Family Medicine at The Methodist Hospital Family Medicine Residency Program in Houston, Texas. She is board-certified by the American Board of Family Medicine (ABFM). Encountered with health struggles in her immediate family, Dr. Buttar began to look into the role of environmental and biochemical factors in determining overall health and response to medical treatments. This interest lead her on a path to train in Functional Medicine through the American Academy of Functional Medicine (AAFM) and The Institute for Functional Medicine (IFM). Recognizing the importance of a multi-faceted and personalized approach to wellness and vitality, Vital Clinic and Spa was created to provide customized services in functional medicine, primary care, preventative care, mental health, skin care, diet, and weight management.

Walter Holmsten is a compassionate and dedicated primary care doctor specializing in family medicine and provides medical services to his patients and their families in Houston and Rosenberg, TX. He is certified by the American Board of Family Medicine. Dr. Holmsten practices medical focus on acute and chronic disease management in both inpatient and outpatient settings. He is clinically interested in urgent and occupational medicine. He works alongside law firms and the Texas Department of Insurance. Dr. Holmsten also serves as the medical director at the Fort Bend Juvenile Facility, where he establishes medical protocols and treats the inmates.

Rand McClain, DO, is a dedicated regenerative & sports medicine specialist who enjoys helping patients with their complex medical care and providing insightful patient education at Regenerative & Sports Medicine in Santa Monica, CA. 

Dr. McClain received his medical education from Western University of Health Sciences in Pomona, California before pursuing a residency program at Keck Medicine of University of Southern California (USC) Hospital in Los Angeles, CA. He has worked with some of the best health innovators in sports and regenerative medicine, as well as aesthetic and family medicine. 

Dr. McClain participated as a sports member in two U.S. teams before becoming an osteopathic physician, and he continues to participate competitively. 

He is an active member of the regenerative medicine community as well. Dr. McClain is the Co-founder and Chief Medical Officer at Live Cell Research, an organization dedicated to the innovation and development of medical technology that is designed to enhance people’s health and quality of daily life through epigenetic manipulation. 

Dr. McClain is a medical advisory board member at American Cryostem Corporation, Z.E.N Foods and National Veteran Foundation. 

In addition, he is passionate about therapy counseling. With each patient, he always listens to their unique medical concerns, and works hard to provide wonderful patient education so that they can understand all therapy options. 

As a dedicated osteopathic physician, Dr. McClain enjoys studying nutrition, exercise, herbs, supplements, acupuncture and traditional Chinese medicine in his professional as well as personal life. At Regenerative & Sports Medicine, he provides detailed care so that patients can receive the best treatment that suits their needs and goals.

Nadia is honored to be the first face you see when you walk into our doors. She enjoys creating a warm, elevated environment where clients feel valued and cared for every step of the way. Nadia has had a background as a Certified Medical Assistant for over 15 years. In the past, Nadia has worked with our Medical Director/Provider Dr. Reeves and Linda.

Outside of work, Nadia enjoys traveling with her husband and spending time with family and friends.

David Reeves, MD, FACOG, is the medical director at Medical Aesthetics & Laser in The Woodlands, Texas. Led by Dr. Reeves, the team enjoys helping people with their beauty health concerns and creating personalized treatment plans for each patient so they can shine from the inside and out.  

Dr. Reeves received his undergraduate education from Texas A&M University in College Station, Texas. He then went on to pursue medical school at Baylor College of Medicine in Houston, Texas. After graduation, he completed a residency program at the National Naval Medical Center in Bethesda, Maryland.  

With a passion for aesthetics, Dr. Reeves has been certified by Laserscope™ in the use of all of their aesthetic laser and intense pulsed light technology. He has completed an Aesthetic Enhancement Institute course for Botox® and dermal fillers as well.

Dr. Reeves is a board-certified gynecologist through the American Board of Obstetrics and Gynecology. He is also a member of the Texas Medical Association, the Texas Association of Obstetricians and Gynecologists, and the American Society for Laser Medicine and Surgery. 

Many patients begin working with Dr. Reeves’ Medical Aesthetics & Laser team based on their caring nature and excellent attention to detail. They always take the time to listen to their patients’ concerns and discuss the details of each treatment option. Dr. Reeves and his friendly staff welcome each patient as an individual, working alongside them to achieve their aesthetic goals. 

Chris Sparkman MD is a reputable primary care physician at Sparkman Family Medicine in Shenandoah, Texas. He has a passion for providing family medicine to the Shenandoah community and meeting the needs of his patients. 

Dr. Sparkman began his education at Lamar University in Beaumont, Texas, receiving his bachelor’s degree in biology. Shortly after, he pursued his medical degree at the University of Texas Health Science Center in Houston, Texas. 

After earning his Doctor of Medicine, Dr. Sparkman completed a family practice internship and residency at Memorial Family Practice Residency in Houston, Texas. There, he received the Harold T. Pruessner, MD, Award for Academic Excellence in Family Practice Residency.

With more than 20 years in the medical field, Dr. Sparkman has provided inpatient and outpatient physician services at several long-term acute care facilities in Houston and The Woodlands, Texas. He also served as Sparkman Medical Staffing, Inc.'s president in Shenandoah for many years. 

Dr. Sparkman holds a Texas medical license from the Texas State Board of Medical Examiners, an Advanced Cardiac Life Support Certification, and a United States Department of Justice DEA Certificate. He is a diplomate of the American Board of Family Practice and is a member of the Texas Medical Association and the National Lipid Association. 

Outside of the office, Dr. Sparkman enjoys watching sports, gardening, photography, and playing the guitar. He passionately seeks novel ways to care for his community, using his various experiences to improve his patient’s health.

I am a Texas-trained and board-certified family physician, and I am excited to be a part of Fulshear Family Medicine. I graduated from Texas A&M University College of Medicine and completed my residency training at Memorial Family Medicine in Sugar Land, TX.  My passion for medicine is driven by a commitment to improving the health and wellbeing of my patients through evidence-based practices, and open communication. When I am not in the clinic, I enjoy spending my free time with my family and pursuing various interests, including carpentry, cycling, and outdoor activities.

Seth Keating, PA, is an experienced physician assistant serving patients at Calvary Medical Clinic in Cleveland, Texas. He brings a wealth of education, skill, and ambition to the practice, focusing on evaluating and treating a wide range of patients, from adolescents to geriatrics. 

Mr. Keating received his education and training in 2012, graduating cum laude and earning his master's degree in physician assistant studies from Texas Tech in Midland. He obtained valuable medical knowledge and expertise during his medical rotations, including pediatrics, family medicine, internal medicine, OB/GYN, and emergency room treatment.

Immediately before joining Calvary Medical Clinic, Mr. Keating was working in the underserved communities of Chicago. During this time, he was caring for home-bound and home-limited patients. Mr. Keating obtained essential experience treating diseases such as diabetes, hypertension, congestive heart failure, COPD, chronic kidney disease, and neuropathy, among many others.

Mr. Keating looks forward to seeing new and existing patients. To schedule an appointent, reach out online or call the office directly.