LOCAL HEALTHCARE PROVIDERS
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240 providers
Availability last updated 05/31/2026
Veena Railan, MD
Family Physician
101 Holly Avenue
Unit 9
Sterling, VA 20164
Dr. Dimitri Coupet, MD
Family Physician
14201 Laurel Park Drive
Suite 106
Laurel, MD 20707
Nancye Sadler, NP
Family Physician
9001 Digges Rd. Suite 104
Manassas, VA 20110
Dr. Chantal Lewis, MD
Family Physician
8341 Barrett Drive
Manassas, VA 20109
Mubasher Fazal, MD
Family Physician
8333 Cherry Lane
Laurel, MD 20707
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
3405 Olandwood Court
Suite 102
Olney, MD 20832
Priscilla Lobo is a board-certified Family Nurse Practitioner with a strong background in critical care nursing. She began her nursing career after earning a Bachelor of Science in Nursing from Louisiana State University Health Sciences Center. Her journey began in telemetry, where she built a strong foundation in patient care and cardiac monitoring. Seeking greater challenges, she transitioned to the intensive care unit, specializing in cardiology and neurology. During this time, she served as a charge nurse and preceptor, mentoring new nurses and leading her team in delivering high-quality patient care.
Her passion for advanced practice nursing led her to attain a Master of Science in Nursing from Walden University, where she became a member of Sigma Theta Tau, the International Honor Society of Nursing. As a Family Nurse Practitioner, she is committed to providing compassionate, evidence-based care and making a meaningful impact on her patients’ lives.
In her spare time, she enjoys traveling and hiking with her husband, two children, and their dog.
Priscilla Lobo
Nurse Practitioner
3405 Olandwood Court
Suite 102
Olney, MD 20832
Mrs. Monica Lovins, is a Certified Adult Nurse Practitioner who has been in health care for the last 40 years, advancing her career as a registered nurse in the ICU, Educator in the ICU as well as teaching at Catholic University of America while attaining her master’s in science with a GPA of 3.89, from Felician University, Lodi, New Jersey. She has received multiple nursing award to include excellence and expertise in multiple nursing modalities.
Monica joined Gastro Center of Maryland in 2017 after many years at John’s Hospital Bayview in the Department of Surgery, Bariatric Department. Her mission to treat all gastrointestinal diseases and facilitate, best outcomes for patients who suffer from chronic gastrointestinal diseases.
When off Monica enjoys quilting as well as spending time with family and friends.
Monica Lovins, CRNP
Nurse Practitioner
3405 Olandwood Court
Suite 102
Olney, MD 20832
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
3405 Olandwood Court
Suite 102
Olney, MD 20832
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
501 N Frederick Ave
Suite 204
Gaithersburg, MD 20877
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
501 N Frederick Ave
Suite 204
Gaithersburg, MD 20877
Hashim Stanazai, MD
Family Physician
42488 Rough Rock Ct
Chantilly, VA 20152
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.
John Haresch, MD
Family Physician
12800 Middlebrook Road
Suite 204
Germantown, MD 20874
