Tavershima Asom
Family Physician
8107 Tide Rock Square
Columbia, MD 21045
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238 providers
Availability last updated 07/17/2026
Tavershima Asom
Family Physician
8107 Tide Rock Square
Columbia, MD 21045
Dr. Chantal Lewis, MD
Family Physician
16001 Loves Mill Lane
Gainesville, VA 20155
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
1419 Forest Drive
Suite 105
Annapolis, MD 21403
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
1419 Forest Drive
Suite 105
Annapolis, MD 21403
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
1419 Forest Drive
Suite 105
Annapolis, MD 21403
Colleen Goode, DNP, MA, FNP-BC, CNE
Family Physician
517 Benfield Rd
Severna Park, MD 21146
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
Ms. Shannon Martin, FNP-C
Family Physician
1406-B Crain Highway S
Suite 304
Glen Burnie, MD 21061
Shemicka Asom, CRNP
Family Physician
9950 Oak Lea Ct
Ellicott City, MD 21042
Tavershima Asom
Family Physician
9950 Oak Lea Ct
Ellicott City, MD 21042
Ms. Shannon Martin, FNP-C
Family Physician
Do Not Use
Glen Burnie, MD 21061
Shemicka Asom, CRNP
Family Physician
12799 Buttercup Court
West Friendship, MD 21794
Tavershima Asom
Family Physician
12799 Buttercup Court
West Friendship, MD 21794
Tavershima Asom
Family Physician
2 Hopkins Street
Glenn Burnie, MD 21065
Shemicka Asom, CRNP
Family Physician
2913 Greenway Dr
Ellicott City, MD 21042
Tavershima Asom
Family Physician
2913 Greenway Dr
Ellicott City, MD 21042