Find a Top Family Doctor Near Me in Reston, VA – Book an Appointment Instantly

Abbi Lamparelli is a Nurse Practitioner with Gastro Centers of Maryland, bringing over a decade of hands-on clinical experience to her role. She began her career in medical-surgical and emergency medicine and transitioned into advanced practice nursing in 2023 after completing her training at Drexel University. She further advanced her education by earning a Doctor of Nursing Practice from Aspen University.

Abbi’s approach to patient care is deeply rooted in compassion and respect. She emphasizes a patient-centered, holistic, and evidence-based philosophy—ensuring that each individual receives personalized care tailored to their unique health journey. She remains committed to empowering patients with clear communication, shared decision-making, and attentive follow-up.

Beyond her clinical work, Abbi has a strong interest in healthcare research and ongoing professional development. Outside of work, Abbi enjoys reading, birdwatching, and trying new restaurants—interests that highlight her curiosity and appreciation for both quiet moments and fun new experiences.

Xinna Yi is a board-certified Family Nurse Practitioner with a Master of Science in Nursing from Wilkes University, which she completed in 2023. She brings a wealth of experience from her work in a family medical clinic and her previous role as a Registered Nurse specializing in cardiology medicine. Before transitioning to nursing, she graduated from medical school in China and gained one and a half years of experience as a gastrointestinal physician at an academic hospital in China.

 Xinna is committed to patient-centered care, employing a collaborative, team-based approach to healthcare. She has a passion for continuous learning and teaching. In her personal life, she enjoys spending time with her family, reading, watching movies, and traveling.

Board Certified in Integrative & Holistic Medicine as well as Family Medicine, Certified Functional Medicine physician Dr. Calihan brings decades of experience to her work with patients, whom she helps achieve optimal health and wellness through a variety of techniques.

Dr. Calihan has spent many years studying and obtaining credentials in holistic, functional, and integrative medicine. Her practice has been awarded the Best of Loudoun prize for alternative medicine each year since 2007.

Dr. Calihan graduated from Smith College in Northampton, Massachusetts, before obtaining her medical degree from Georgetown University Medical School in Georgetown, Washington, DC.

Dr. Calihan trained and precepted at the Center for Mind-Body Medicine in Washington, DC, and she also trained in acupuncture with Dr. Joseph Helms at UCLA.

In 2000, Dr. Calihan earned her board-certification in Holistic Medicine, and in 2014 became a member of the first class of Certified Functional Medicine Physicians through the Institute of Functional Medicine.

Dr. Calihan was a founding owner and former medical director at Loudoun Medical Group, one of the largest multi-specialty physician practices in the mid-Atlantic region. She was also their Board Chair from 2000 to 2005.

Dr. Calihan specializes in the treatment of chronic, complex conditions, including autoimmune disease, thyroid and hormonal imbalances, biotoxin illness, chronic fatigue, and fibromyalgia. Using the Functional medicine approach, she searches for the cause of a condition and then works to help rebalance the system.

Visit Dr. Calihan for compassionate, comprehensive health care with a personal touch. She’s currently welcoming new patients.

John Watts Haresch, MD is a family medicine physician who joined the practice in 2024. He currently focuses on the care of older adults. He previously served as a Regional Medical Officer with the U.S. Department of State, operated a full-spectrum private practice, and has been medical director of organizations meeting the needs of underserved communities. He completed medical school and family medicine residency in the University of North Carolina system.

Capital City Primary and Immediate Care’s approach to family medicine gives you the flexibility to focus on your health when it works for you. Fernando Porter, MD, and the attentive care team partner with you to support your day-to-day health and self-care routines, at the office location in Silver Spring, Maryland. When you’re sick and need care, the team is standing by around the clock. They will be available to you 24/7 virtually or in-person during routine office hours with providers that can help get you on track. They’ll take the hassle and guesswork out of feeling better.

When you need to manage urgent, preventive, or chronic health conditions, we try our very best to make it easy and are there for you at the touch of a button. From healthy eating to vaccinations and preventive physical exams, we provide trusted health care solutions that are driven by compassion, integration of technology, and use of the most up-to-date, evidence-based information.

Capital City Primary and Immediate Care is a proud member of Privia Medical Group - a physician-led, multi-specialty, national medical group.

To make an appointment, call Capital City Primary and Immediate Care or book an appointment online today.

Abraham Mbangowah, MSN, FNP, is a compassionate family nurse practitioner with nearly 15 years of experience working with patients of all ages. He’s highly skilled in all areas of primary, urgent, and preventive care.

Abraham earned his associate's degree in general studies at Prince George’s Community College in Largo, Maryland. He received his bachelor’s degree in nursing at Coppin State University in Baltimore, Maryland, where he graduated cum laude and was a member of the Mary Mahoney Honors Society. Abraham received his master’s degree and family nurse practitioner training at Chamberlain University in Irving, Texas. 

He’s a certified family nurse practitioner (FNP). Abraham specializes in general medicine and all areas of primary care, including the treatment of illnesses, diseases, and mental health conditions. He completes continuing education to provide the latest advances in medical care.

Abraham speaks English, French, and Creole. When he’s not working, he enjoys spending time with family and friends.

Abraham is passionate about caring for his patients and warmly welcomes them to Diversity Health Clinic LLC.  

Akukeng W. Mba, MSN, FNP, CFCS, is an experienced family nurse practitioner with 15 years of experience, including almost five experience as a foot care specialist. She’s highly skilled in exceeding the general and podiatry needs of patients aged 12 and older.

Akukeng received her bachelor’s and master’s degrees in nursing and family nurse practitioner credentials from Coppin State University in Baltimore, Maryland. She is a registered nurse and family nurse practitioner (FNP) who maintains her advanced medical credentials with continuing education.

Akukeng has worked in hospital and clinic settings. She has expertise in medication administration, nursing education, critical care medicine, healthcare management, advanced cardiac life support, and foot care. Akukeng specializes in routine foot assessments, diabetic foot exams, callus debridement, and managing conditions that affect the toenails.

Akukeng loves spending time with her friends and family when she’s not caring for patients. She welcomes new and existing patients to Diversity Health Clinic LLC and looks forward to improving their health and quality of life. 

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.