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231 providers
Availability last updated 04/29/2025
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.
Dr. Martha Calihan, MD
Family Physician
116-Q Edwards Ferry Rd NE
Leesburg, VA 20176
Tamara Love, NP
Family Physician
410 Rosedale Ct
Suite 170
Warrenton, VA 20186
Dr. Dan Bishwakarma is a board-certified family physician at Prime Medical Care, LLC, serving residents living in the Alexandria, Virginia area. He earned his M. B., B. S. (Bachelor in Medicine and Bachelor in Surgery) degree from Tribhuvan University, Nepal. He completed his residency in Family Medicine at the Wyckoff Heights Medical Center, New York, affiliated with Cornell University, in June 2008. He served as a chief resident in the last year of his residency. His residency training in the metropolitan environment of New York City and work experience soon after have given him the knowledge and skillset required to manage a wide variety of illnesses in a diverse patient population. He is currently practicing in Alexandria, VA providing primary and immediate care to the surrounding D.C. Metro areas.
At Prime Medical Care LLC, Dr. Bishwakarma places a strong emphasis on disease prevention and health promotion. To prevent illness, he encourages his patients to participate in annual comprehensive physical exams and periodic health checkups. He promotes health screening based on each patient’s individual personal history, family history, and risk factors. To promote health, he provides education on healthy habits such as exercise, good nutrition, smoking cessation and stress management. He treats a variety of chronic medical conditions including but not limited to:
In addition, he also treats patients who need immediate care like:
He’s very experienced as to when to refer patients to emergency care facilities and/or specialists where they can receive the level of care they need. Through social media, his patients say Dr. Bishwakarma is a very efficient and knowledgeable doctor with excellent bedside manner.
Personally, Dr. Bishwakarma is a family oriented person. He has been married for nearly 25 years. He has a very supportive wife and three wonderful children: two sons and one daughter. He loves to listen to music, read and spend time with his family when he is not working. He strongly believes that good family support is essential to cope with illnesses and to be healthy.
Dr. Dan Bishwakarma, MD
Family Physician
8101 Hinson Farm Road
Suite 209
Alexandria, VA 22306
Melissa Falkowski attended Mount Saint Mary College where she graduated Summa Cum Laude with her Bachelor of Science in Nursing Degree. Melissa has over 15 years of experience in the healthcare field, including Oncology, Preoperative and Postoperative care, and Operating Room experience. After working for 2 years in the Operating Room with Dr. Desai, Melissa joined the team at International Spine, Pain & Performance Center in 2017. As Chief Operating Officer, Melissa is focused on ensuring all clinical standards are met to guarantee that our patients receive optimal and cutting edge care. Melissa partners with the clinicians at ISPPC to execute our mission statement of being leaders in clinical excellence. In her spare time, Melissa enjoys traveling the world with her husband and daughters, and spending time with their family and friends.
Melissa Vincent, PA-C
Physician Assistant
2021 K Street NW
Suite 615
Washington, DC 20006
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.
Dr Fernando Porter, MD
Family Physician
1145 19th St NW
Suite 200
Washington, DC 20036
Dr. Blessing Ayanou, DNP, CRNP, FNP-BC
Family Physician
8700 Jones Mill Rd
Chevy Chase, MD 20815
Dr. Uzochukwu Unegbu, MD
Family Physician
8700 Jones Mill Rd
Chevy Chase, MD 20815
Mercy Obamogie, MD
Family Physician
4903 Georgia Ave Nw
Washington, DC 20011
Sudha Sikri, MD
Family Physician
6357 Oxon Hill Road,
Oxon Hill, MD 20745
Stephen Ong, MD
Family Physician
6357 Oxon Hill Road,
Oxon Hill, MD 20745
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