Ji Yon Hwang-Ki, MD
Internist
9290 Gaither Rd.
Gaithersburg, MD 20877
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200 providers
Availability last updated 08/13/2025
Ji Yon Hwang-Ki, MD
Internist
9290 Gaither Rd.
Gaithersburg, MD 20877
David Bauder, PA-C, serves as the CEO, Assistant Medical Director, and co-founder of Weight Loss & Vitality, with locations in Manassas, Alexandria, Stafford, Washington, D.C., and Gaithersburg, Maryland. With over 30 years of diverse medical experience, David is dedicated to helping patients achieve their health and wellness goals, enhancing both their physical and mental well-being for a higher quality of life.
David’s dedication to advancing healthcare is reflected in his extensive academic and professional training. He earned his physician assistant degree from the University of Texas Health Science Center at San Antonio and further advanced his expertise by completing a graduate program in Physician Assistant Studies at the University of Nebraska Health Science Center in Omaha.
David also completed the prestigious RAND Arroyo Research Fellowship, where he contributed to cutting-edge studies aimed at improving health systems and policies. This fellowship reflects his commitment to leveraging research and innovation to enhance healthcare delivery.
Throughout his career, David has cultivated expertise across multiple medical disciplines, including:
As the CEO of Weight Loss & Vitality, David has guided the organization’s growth into a leading provider of medical weight loss, hormone therapy, functional medicine, and aesthetic treatments. His leadership ensures that the practice remains at the forefront of medical innovation, offering cutting-edge solutions tailored to the individual needs of every patient.
Under David’s guidance, Weight Loss & Vitality has expanded to five locations, providing exceptional healthcare across Virginia, Maryland, and Washington, D.C.
David proudly served for 27 years in the United States Army, excelling in both clinical and leadership roles. His military service included:
David’s military career reflects his unwavering dedication to service and his ability to lead in complex, high-stakes situations.
David is the author of the newly released book, “Thrive Beyond Your Limits,” now available on Amazon. In this inspiring guide, he shares actionable strategies for achieving optimal health, weight loss, overcoming challenges, and living a more fulfilling life. Drawing from his decades of medical experience and personal dedication to fitness, David empowers readers to unlock their full potential.
David’s passion for health extends into his personal life. An avid cyclist, he has competed in national cycling events for over a decade. His commitment to fitness mirrors his professional advocacy for a healthy lifestyle, inspiring patients to prioritize wellness in their own lives.
Patients value David’s unique combination of:
As a dedicated healthcare professional, CEO, and author, David Bauder continues to guide individuals toward a healthier, more fulfilling future. Whether through personalized care at Weight Loss & Vitality or his book, “Thrive Beyond Your Limits,” David remains a pivotal figure in helping others reclaim their vitality and confidence.
Take the first step toward a healthier, more fulfilling life. Schedule a consultation with David Bauder, PA-C, at Weight Loss & Vitality today and experience his expertise, leadership, and personalized approach to health and wellness.
Mr. David Bauder, PA-C
Physician Assistant
9043 Shady Grove Ct
Gaithersburg, MD 20877
Gowri Kularatna, MD, specializes in gastroenterology at GI Associates of Maryland in Waldorf, Maryland. She has years of experience in the medical field and uses her knowledge to diagnose and treat patients.
Dr. Kularatna attended Emory University in Atlanta, Georgia, obtaining her bachelor’s degree in biology. She then received her medical degree from the University of Maryland School of Medicine in Baltimore.
Dr. Kularatna completed her internal medicine residency at Boston Medical Center in Massachusetts and a gastroenterology fellowship at The Barnes-Jewish Hospital through Washington University in St. Louis, Missouri.
Dr. Kularatna is board-certified in internal medicine and gastroenterology. She is also a professional member of the American College of Gastroenterology and the American Gastroenterology Association.
At GI Associates of Maryland in Waldorf, Dr. Kularatna works closely with patients to ensure she provides expert care. She has a comfortable office setting and takes an evidence-based approach to treat her patients.
Dr. Gowri Kularatna, MD
Internist
6710 Oxon Hill Rd
Ste 305
Oxon Hill, MD 20735
Yingxue Zhang, MD
Rheumatologist
9031 Shady Grove Court
Gaithersburg, MD 20877
Ji Yon Hwang-Ki, MD
Internist
400 E Gude Dr
Rockville, MD 20850
Ndubuisi Okafor, MD, is a board-certified internal medicine physician with over 20 years of experience. At his practice, Okafor Medical Associates, located in Washington, DC, Dr. Okafor offers patients compassionate care for a variety of conditions including chronic disease management, ADHD, and internal medicine concerns as a leading primary care physician.
Dr. Okafor obtained his medical degree from the Howard University Hospital and is board-certified by the American Board of Internal Medicine. He is also specially trained in Advanced Trauma Life Support and Advanced Cardiovascular Life Support.
Dr. Okafor is a registered Civil Surgeon with the United States Center for Immigration Services, so he can provide Immigration Medical examinations with all the required tests in the facility. In addition, is a Registered Certified Medical Examiner with the Federal Motor Carrier Safety Administration, so he can provide medical examination and certification for commercial motor vehicle drivers.
When he is not treating his patients, Dr. Okafor enjoys spending time with his family and pursuing his hobbies which include football, soccer, and running. Dr. Okafor also speaks English, Ibo, Yoruba, and Hausa.
He looks forward to meeting new patients and giving them the best care possible.
Dr. Ndubuisi Okafor, MD
Internist
7603 Georgia Ave NW
Suite 100
Washington, DC 20012
Please contact us for more information
Mr. Alphonse Akuo, FNP-BC
Nurse Practitioner
7603 Georgia Ave, NW Suite 101
Washington, DC 20012
Ismael Tura, MD
Internist
1310 Southern Ave Se
Washington, DC 20032
Ismael Yussuf, MD
Internist
1310 Southern Ave Se
Washington, DC 20032
Dabo Xu, MD, is a board-certified physician in gastroenterology, hepatology, and internal medicine at the Gastro Center of Maryland, with locations in Annapolis, Columbia, Olney, Riverdale, Timonium and Gaithersburg, Maryland.
Dr. Xu treats a wide variety of conditions at the practice, including gastroesophageal reflux disease (GERD), ulcerative colitis and Crohn’s disease, irritable bowel syndrome (IBS), celiac disease, colon cancer, liver disease, and other gastrointestinal conditions.
Dr. Xu completed his medical residency at St. Agnes Hospital, as well as a gastroenterology fellowship at the University of Michigan. He has conducted clinical and translational research on several topics, such as GERD, intestinal inflammation, liver diseases and cancers, and gastrointestinal pharmacology. His works were published in the most prestigious gastroenterology journals and presented at national and international medical conferences.
He has more than 20 years of clinical experience in gastroenterology and hepatology. Dr. Xu has a special interest in preventive care, often working alongside patients to prevent disease and improve their quality of life through precise and effective personalized treatments.
With a passion and dedication to patient experiences, Dr. Xu believes it’s important to build relationships with those in his care and enjoys helping patients find better health and wellness.
Dr. Dabo Xu, MD
Gastroenterologist
501 N Frederick Ave
Suite 204
Gaithersburg, MD 20877
Gastro Center of Maryland (GCM) is one of the largest GI group practices in the state. We provide expert, compassionate care across multiple locations for a wide range of digestive and liver conditions.
We treat everything from acid reflux and IBS to Crohn’s disease, liver disorders, and colon cancer screenings. Our experienced providers use the latest technology to create personalized treatment plans focused on your individual needs.
Our state-of-the-art Ambulatory Surgery Centers offer advanced procedures such as Bravo pH testing, PillCam capsule endoscopy, STRETTA for reflux, and Orbera for weight loss. We also provide onsite pathology and an IBD Infusion Center for faster, more accurate care in one place.
Appointments are easy to schedule with same-week and NextDay GI availability to fit your busy life.
At GCM, we are here to help you feel your best every step of the way.
We are currently welcoming new patients. Call or book online today to get started.
Dr. Rushi Talati, MD, MBA
Internist
501 N Frederick Ave
Suite 204
Gaithersburg, MD 20877
Mohammad Khalid, MD
Internist
2730 University Blvd W
Wheaton, MD 20902
David Bauder, PA-C, serves as the CEO, Assistant Medical Director, and co-founder of Weight Loss & Vitality, with locations in Manassas, Alexandria, Stafford, Washington, D.C., and Gaithersburg, Maryland. With over 30 years of diverse medical experience, David is dedicated to helping patients achieve their health and wellness goals, enhancing both their physical and mental well-being for a higher quality of life.
David’s dedication to advancing healthcare is reflected in his extensive academic and professional training. He earned his physician assistant degree from the University of Texas Health Science Center at San Antonio and further advanced his expertise by completing a graduate program in Physician Assistant Studies at the University of Nebraska Health Science Center in Omaha.
David also completed the prestigious RAND Arroyo Research Fellowship, where he contributed to cutting-edge studies aimed at improving health systems and policies. This fellowship reflects his commitment to leveraging research and innovation to enhance healthcare delivery.
Throughout his career, David has cultivated expertise across multiple medical disciplines, including:
As the CEO of Weight Loss & Vitality, David has guided the organization’s growth into a leading provider of medical weight loss, hormone therapy, functional medicine, and aesthetic treatments. His leadership ensures that the practice remains at the forefront of medical innovation, offering cutting-edge solutions tailored to the individual needs of every patient.
Under David’s guidance, Weight Loss & Vitality has expanded to five locations, providing exceptional healthcare across Virginia, Maryland, and Washington, D.C.
David proudly served for 27 years in the United States Army, excelling in both clinical and leadership roles. His military service included:
David’s military career reflects his unwavering dedication to service and his ability to lead in complex, high-stakes situations.
David is the author of the newly released book, “Thrive Beyond Your Limits,” now available on Amazon. In this inspiring guide, he shares actionable strategies for achieving optimal health, weight loss, overcoming challenges, and living a more fulfilling life. Drawing from his decades of medical experience and personal dedication to fitness, David empowers readers to unlock their full potential.
David’s passion for health extends into his personal life. An avid cyclist, he has competed in national cycling events for over a decade. His commitment to fitness mirrors his professional advocacy for a healthy lifestyle, inspiring patients to prioritize wellness in their own lives.
Patients value David’s unique combination of:
As a dedicated healthcare professional, CEO, and author, David Bauder continues to guide individuals toward a healthier, more fulfilling future. Whether through personalized care at Weight Loss & Vitality or his book, “Thrive Beyond Your Limits,” David remains a pivotal figure in helping others reclaim their vitality and confidence.
Take the first step toward a healthier, more fulfilling life. Schedule a consultation with David Bauder, PA-C, at Weight Loss & Vitality today and experience his expertise, leadership, and personalized approach to health and wellness.
Mr. David Bauder, PA-C
Physician Assistant
556 Garrisonville Rd.
#211
Stafford, VA 22554