LOCAL HEALTHCARE PROVIDERS
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132 providers
Availability last updated 09/18/2026
Samiya Mohiuddin, PA-C, a native of Frederick, attended The George Washington University for her undergraduate studies and Sullivan University for her Masters of Science in Physician Assistant Studies. She is certified by the National Commission on Certification of Physician Assistants.
Samiya Mohiuddin
Physician Assistant
801 Toll house ave
Suite , H4
Frederick, MD 21701
Stephanie Purnell, MD, MPH
Family Physician
17 Fontana Lane Ste 201
201
Rosedale, MD 21237
Dr. Godfried Kenah, DNP
Family Physician
458 Crab Apple Dr
Stafford, VA 22554
Michael T. Lin, MD, is a skilled and compassionate physician who leads the team at Fauquier Family Practice, PLC. Dr. Lin is board-certified by the American Board of Family Practice, and has delivered high-quality primary care to patients in Warrenton, Virginia, and the surrounding area since 2001.
For his undergraduate studies, Dr. Lin attended Virginia Commonwealth University in Richmond, Virginia, where he consistently demonstrated academic excellence. He was inducted into the University Honors Program for recognition of his dedication to his studies. Dr. Lin graduated Magna Cum Laude from Virginia Commonwealth University with a Bachelor of Science in Chemistry.
Dr. Lin completed his Doctor of Medicine at The Medical College of Virginia/Virginia Commonwealth University School of Medicine in Richmond, Virginia, which is the largest and longest operating medical school in the state.
While at VCU School of Medicine, Dr. Lin continued to excel and further developed his interests in family medicine. He went on to complete the Shenandoah Valley Family Practice Residency program in Front Royal, Virginia, and a Family Practice Faculty Development Fellowship back at VCU.
Dr. Lin serves as an assistant clinical professor at Virginia Commonwealth University and maintains professional affiliations with the American Academy of Family Physicians and the American Medical Association. He has been published for his work on assessing a possible link between leukemia and exposure to electromagnetic radiation. He looks forward to helping his new and long-standing patients at Fauquier Family Practice, PLC.
Dr. Michael Lin, MD
Family Physician
400A Hospital Dr
Warrenton, VA 20186
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
Mercy Obamogie, MD
Family Physician
4903 Georgia Ave Nw
Washington, DC 20011
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
12014 Georgia Ave
Silver Spring, MD 20902
PRIMARY & ALTERNATIVE MEDICAL CENTER
Is Truly Patient Centered.
You are the reason we are here. Our goal is to help you feel better mentally, physically and spiritually. Our primary tools are listening to you sensitively, examining you carefully and then discussing with you thoroughly, our opinions and your options. We see health care as both a science and an art. There is rarely one right answer, and one size almost never fits all. When it comes to your health we will incorporate highly accurate diagnostic laboratories and advance imaging studies with our medical expertise. We will derive diagnoses and treat appropriately as well as make a referral to our affiliated specialist. We will be attentive to your specific needs, concerns and fears. We see you each as special individuals and not merely as people with high blood pressure, diabetes, depression, obesity or high cholesterol. We see ourselves as your primary care providers, health care advisers, educators, and teammates. Patients that take an active role in their health care generally do better.
Dr. Jean Welsh, MD
Family Physician
12162 Tech Rd
Silver Spring, MD 20904
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.
Xinna Yi, FNP
Nurse Practitioner
6502 Kenilworth Ave
Suite 100
Riverdale, MD 20737
Colleen Abell is a board-certified Family Nurse Practitioner. She graduated with a Master of Science in Nursing from Georgetown University in 2006. She has practiced as a nurse practitioner for the past sixteen years. Ms. Abell's experience includes working in a family medical clinic, but she spent most of her career providing care for patients recovering from Bariatric and GI surgical/oncology procedures. Prior to becoming a nurse practitioner, Ms. Abell worked as a Registered Nurse in cardiology and emergency medicine.
Colleen joined the Gastro Center of Maryland in 2021 after relocating from the NY/NJ area. She is dedicated to being a great provider and advocate for her patients. Outside of work, Ms. Abell enjoys spending time with her husband and three boys.
Colleen Abell, CRNP
Nurse Practitioner
6502 Kenilworth Ave
Suite 100
Riverdale, MD 20737
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.
Abbi Lamparelli
Nurse Practitioner
6502 Kenilworth Ave
Suite 100
Riverdale, MD 20737