LOCAL HEALTHCARE PROVIDERS
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131 providers
Availability last updated 10/11/2026
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
Parai “Rai” Bailey is a valued member of the front desk team at TRiiBE Medical. Born and raised in Southeast Washington, D.C., she graduated from Dr. Henry A. Wise Jr. High School and is currently continuing her education with the goal of becoming a medical assistant.
Rai has experience in both front-office and clinical healthcare settings, where she has assisted patients and supported healthcare providers in delivering high-quality care. These experiences have strengthened her passion for healthcare, patient service, and helping others feel welcomed and supported throughout their care journey.
Outside of work, Rai is the proud mother of a young daughter, who is her greatest joy and motivation. Her long-term goal is to become a nurse practitioner and provide compassionate, high-quality care to patients throughout the DMV area.
Parai Bailey
Family Physician
9500 Medical Center Dr
Suites 105 and 109
Upper Marlboro, MD 20774
Ms. Shannon Martin, FNP-C
Family Physician
3169 Braverton Street
Suite 102
Edgewater, MD 21037
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
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
Dr. Nancy Rivera, MD
Family Physician
20 Mayo Rd
Ste 201
Edgewater, MD 21037
Oluremi Akinlade, MD
Family Physician
14333 Laurel Bowie Road
Suite 303
Laurel, MD 20708
Mubasher Fazal, MD
Family Physician
8333 Cherry Lane
Laurel, MD 20707
