Mrs. Jill Forbes, CNP
Internist
13700 Magna Way
Herndon, VA 20171
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Availability last updated 07/04/2025
Mrs. Jill Forbes, CNP
Internist
13700 Magna Way
Herndon, VA 20171
Niala Saeed, PA-C is a nationally board physician assistant with 16 years of experience in primary care and occupational health. She is originally from Petersburg, WV. She completed her bachelor’s in health sciences in 2005 and received a master’s in physician assistant studies from Alderson Broaddus in 2006.
After graduating, she worked in the city of Winchester, VA for 5 years after which she moved to California and continued to practice primary care for 11 years. She enjoys focusing on women’s health, diabetes management, and behavioral health. Patient education with an emphasis on preventative health is at the core of her clinical practice.
Niala is also an NRCME certified medical examiner, giving her the ability to perform DOT physicals. Niala recently moved with her family back to Virginia from California. She is excited to return and serve the patients of Washington Internal Medicine. When she is not working, she enjoys spending time with her husband, two children, and her pet cat.
Niala Saeed, PA-C
Physician Assistant
4229 Lafayette Center Dr
STE 1125B-1
Chantilly, VA 20151
Ji Yon Hwang-ki, MD
Internist
400 E Gude Dr
Rockville, MD 20850
Wei Fan, MD
Internist
2401 Research Blvd
370
Rockville, MD 20850
Mrs. Angel Shannon, MS, CRNP
Internist
469 Jumpers Hole Road
Severna Park, MD 21146
Ji Yon Hwang-ki, MD
Internist
9290 Gaither Rd.
Gaithersburg, MD 20877
Yingxue Zhang, MD
Rheumatologist
9031 Shady Grove Court
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
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
3405 Olandwood Court
Suite 102
Olney, MD 20832
Dr. Deepthi Gadde, MD is a board-certified adult/pediatric allergist and clinical immunologist, who provides expert care in managing allergy and asthma symptoms.
Dr. Gadde offers her patients a variety of treatments, including allergy immunotherapy and biologics, to address environmental allergies and allergic asthma.
Dr. Gadde helps patients with a wide range of conditions, including non-allergic rhinitis, sinusitis, asthma, drug allergies, food allergies, anaphylaxis, eczema, and hives.
Dr. Gadde earned her bachelor’s degree in Management Science from Massachusetts Institute of Technology (MIT). She completed her medical degree and internal medicine residency at George Washington University. She received her training in Allergy and Immunology at The Johns Hopkins University in Baltimore, MD, where she continues to be on staff as an assistant professor.
Dr. Gadde works with you as a partner in health, helping you to understand your condition and treat it effectively. Education is a critical part of managing allergies and asthma, and her goal is to help you make informed decisions about your health.
Dr. Gadde is available in the Gainesville and Warrenton offices.
Dr. Deepthi Gadde, MD
Internist
7330 Heritage Village Plaza
Suite 102
Gainesville, VA 20155
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
7120 Minstrel Way
Suite #100 & 211
Columbia, MD 21045
Dr. Thi Khuc, MD, is a board-certified physician specializing in Gastroenterology and Hepatology at Gastro Center of Maryland's location in Riverdale, Maryland. Trained with expertise in evidence-based medicine and clinical research by national and international authorities in the field, Dr. Khuc is committed to providing quality, personalized patient care. Dr. Khuc values her patients’ opinions in the medical decision-making process.
Dr. Khuc completed her medical degree at the University of Virginia, followed by an Internal Medicine residency at Loma Linda University in California. Thereafter, she completed her Gastroenterology and Hepatology fellowship under the Clinical Scholars Program at the University of Maryland and Mercy Medical Center in Baltimore, MD. She was elected as a 2023 American Gastroenterological Association (AGA) Innovations Fellow for the Center for GI Innovation and Technology and is currently a member of the AGA and American College of Gastroenterology (ACG).
Dr. Khuc is skilled in colonoscopy, endoscopy, video capsule endoscopy and esophageal manometry and breath testing interpretation. She treats a wide variety of gastrointestinal disorders including colorectal cancer screening, irritable bowel syndrome (IBS), acid reflux (GERD), peptic ulcer disease, microscopic colitis, eosinophilic esophagitis (EoE), constipation, infectious diarrheal disorders, and inflammatory bowel disease (IBD).
In her spare time, Dr. Khuc enjoys painting, traveling, and trying new ice cream flavors with her family and friends.
Dr. Thi Khuc, MD
Internist
7120 Minstrel Way
Suite #100 & 211
Columbia, MD 21045
Patricia G. Gao, MD specializes in primary care at her private practice in Glen Burnie, Maryland. She started the practice in 2004, affiliating with Baltimore Washington Medical Center also in Glen Burnie. Dr. Gao’s mission is to diagnose and treat acute and chronic diseases, and to help patients understand and maintain good health and make better lifestyle choices. Dr. Gao believes in the power of preventive medicine. She obtained certifications for dermatologic procedures at the National Procedures Institute, Austin, Texas in 2003 and at the International Association for Physicians in Aesthetic Medicine, Las Vegas in 2011. Dr. Gao is highly experienced at meeting a variety of dermatological needs including removal of skin tags, moles, cysts, and performing skin biopsies. She also has unique skills in Botox® and filler injections.
Dr. Gao has seventeen years of experience practicing internal medicine as a primary care physician. After graduating from Sun Yat-sen University of Medical Sciences, Guangdong, China, Dr. Gao came to the United States where she performed cancer research at MD Anderson Medical Center in Houston. She received a master’s degree in molecular biology from the Graduate School of Biomedical Sciences at the University of Texas, Houston. She began her internship at Presbyterian-University of Pennsylvania Medical Center in Philadelphia. Dr. Gao completed her internal medicine residency and worked as a hospitalist and teaching physician at Union Memorial Hospital in Baltimore.
Dr. Patricia Gao, MD
Internist
203 Hospital Drive
Suite 210
Glen Burnie, MD 21061
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
Office Location(s): Aldie
Other languages spoken: Spanish (fluent)
Double board-certified pediatrician and internal medicine specialist David Rubio, M.D., F.A.A.P., has cared for patients in Northern Virginia for over two decades. He is part of the Virginia Pediatric Group team and sees patients at the practice’s location in Aldie, Virginia.
Dr. Rubio was born in Queens, New York, although he considers South Riding, Virginia, his hometown. He completed a six-year biomedical program with Union College in Schenectady, New York, earning a Bachelor of Science in 1987. He completed his medical degree in 1989 at Albany Medical College, also in New York. He then went on to complete his internal medicine/pediatrics residency training in 1993 at the North Shore University Hospital/Cornell University Medical Center in New York.
Upon residency completion, Dr. Rubio joined the Northern Virginia Primary Care Associates in Annandale until 2008, when he developed and managed his own private pediatrics practice in South Riding. He was board certified by the American Board of Internal Medicine in 1994 and recertified in 2003. Dr. Rubio was also board certified by the American Board of Pediatrics in 1994 and recertified in 2016.
In 2016, Dr. Rubio and his practice joined the Virginia Pediatric Group. He feels it is wonderful to watch the children he's cared for over the years grow and develop. The personal relationships made with families have been extremely rewarding, and he looks forward to doing the same for many years to come.
Dr. Rubio is fluent in Spanish and resides in South Riding with his wife and three children. In his free time, he enjoys sports and music.
Patient Reviews
“Dr. Rubio is the best! We've been with him since before he joined Virginia Pediatrics, and is the only reason we stay with that group. He's patient and answers all of our questions. Always feel better after talking to him about any concerns we may have. The kids really like him too!”
- Karla D.
“Been with Dr. Rubio for over 10 years. He is patient, listens, is understanding, is not forceful with medical advice. Helps you to understand. We have always felt and still feel comfortable with him and his staff.”
- Estelle K.
“Dr. Rubio is an amazing pediatrician. Highly recommended.”
- Victor G.
“Dr. Rubio is the best, super friendly. He didn't rush (like many other places) and he was thorough. Definitely recommend.”
- Kishore K.
Dr. David Rubio, MD
Internist
24560 Southpoint Drive
Suite 150
Aldie, VA 20105
Dr. Seema Chaudhary is a preventive medicine expert and obesity physician at Nova Physician Wellness Center. As a health advocate for the people of Fairfax, Sterling, and Ashburn, Virginia, she has been in clinical practice for about 15 years.
She finished her residency from the University of Florida, Gainesville, and she joined Community Health Center Clearwater so that she could help the poor and underserved population. She moved from Florida to Northern Virginia and worked with Kaiser Permanente for about seven years.
During her tenure at Kaiser, she became more passionate about preventive medicine, especially treating obesity, which is the root cause of most chronic medical illnesses, like diabetes, hypertension, high cholesterol, sleep apnea, heartburn, and arthritis.
Seeing the growing need for weight management expertise, she switched her area of specialty to bariatric medicine. She is now a board-certified obesity medicine specialist and helps patients achieve their healthiest weight, wellness, and a reversal of cardiovascular risk factors.
As a primary care physician, Dr. Chaudhary understands the complexity of chronic medical illness associated with abnormal weight gain. She is comfortable and confident with the treatment of obesity, while also monitoring all associated diseases.
Dr. Chaudhary works closely with her patients and collaborates with primary care physicians to help her patients live happy, healthier lives.
Dr. Seema Chaudhary, MD
Internist
24430 Stone Springs Blvd
Suite 230
Sterling, VA 20166