Nurse practitioner Shannon Langmead specializes in neurofibromatosis and is the clinic coordinator of the Johns Hopkins Comprehensive Neurofibromatosis (NF) Center. She evaluates and manages patients with NF1, NF2 and Schwannomatosis. Her special interests include pain management and developing social support networks for patients who have NF. Shannon earned bachelor’s degrees in Spanish and nursing from Saint Francis University in Pennsylvania and Villa Julie College in Maryland, and completed her master’s degree in nursing at The Johns Hopkins University School of Nursing. She has worked as a bedside nurse in neurology and neurosurgery at The Johns Hopkins Hospital and as a part-time clinical faculty member for The Johns Hopkins University School of Nursing. Ms. Langmead is highly rated in 3 conditions, according to our data. Her top areas of expertise are Neurofibromatosis, RASopathies, Neurofibromatosis Type 1 (NF1), and Legius Syndrome.

Regina Greco is a Nurse Practitioner in Baltimore, Maryland. Ms. Greco has been practicing medicine for over 17 years is highly rated in 1 condition, according to our data. Her top area of expertise is Systemic Sclerosis (SSc).

Sarah Riley, CRNP is a nurse practitioner in Baltimore, Maryland. She specializes in managing patients diagnosed with heart failure. Her expertise includes managing patients diagnosed with heart failure, cardiac amyloidosis and left ventricular assist device (LVAD). Her research includes managing and improving outcomes for patients diagnosed with heart failure. Research SummarySarah's research consists of managing and improving outcomes for patients diagnosed with heart failure, cardiac amyloidosis and implanted left ventricular assist devices (LVAD). Selected Publications Vaishnav, J., Hubbard, A., Chasler, J., Lepley, D., Cuomo, K., Riley, S., Menzel, K., Fajardo, J., Sharma, K., Judge, D., Russell, S., & Gilotra, N. (2020). Management of Heart Failure in Cardiac Amyloidosis Using An Ambulatory Diuresis Clinic: An Analysis of Safety and Health Care Utilization. Journal of Cardiac Failure, 26 (10): S52. https://doi.org/10.1016/j.cardfail.2020.09.153 Hahn, V. S., Yanek, L. R., Vaishnav, J., Ying, W., Vaidya, D., Lee, Y. Z. J., Riley, S. J., Subramanya, V., Brown, E. E., Hopkins, C. D., Ononogbu, S., Perzel Mandell, K., Halushka, M. K., Steenbergen, C., Rosenberg, A. Z., Tedford, R. J., Judge, D. P., Shah, S. J., Russell, S. D., ... Sharma, K. (2020). Endomyocardial Biopsy Characterization of Heart Failure With Preserved Ejection Fraction and Prevalence of Cardiac Amyloidosis. JACC: Heart Failure, 8(9), 712-724. https://doi.org/10.1016/j.jchf.2020.04.007 Umapathi, P., Cuomo, K., Riley, S., Hubbard, A., Menzel, K., Sauer, E., Gilotra, N. (2020). Transforming Ambulatory Heart Failure Care in the COVID-19 Era: Initial Experience From a Heart Failure Disease Management Clinic. Journal of Cardiac Failure, 26 (7), 637-638. https://dx.doi.org/10.1016%2Fj.cardfail.2020.06.003 Cummings, A., Fajardo, J., Cuomo, K., Riley, S., Chambers, J., Menzel, K., Rhodes, P., Fitts, F., Russell, S., Judge, D., & Gilotra, N. (2020). Efficacy of a Nurse Practitioner Managed Outpatient Intravenous Diuresis Clinic to Relieve Recurrent Congestion in Patients with Cardiac Amyloidosis. Heart and Lung, 49 (2) 213-214. https://doi.org/10.1016/j.hrtlng.2020.02.017 Freed, K., Cuomo, K., Hubbard, A., Riley, S., Menzel, K., Klemans, N., Fioretti, R., Aslam, M., Umapathi, P., Choi, C. W., Kilic, A., Florido, R., Sharma, K., Hsu, S., & Gilotra, N. (2019). Management of Heart Failure in Left Ventricular Assist Device (LVAD) Patients Utilizing an Outpatient Diuresis Clinic. Journal of Cardiac Failure, 25:sup8. https://doi.org/10.1016/j.cardfail.2019.07.146. Ms. Riley is highly rated in 1 condition, according to our data. Her top area of expertise is Heart Failure with Preserved Ejection Fraction (HFpEF).

Theresa Rugalla Booker is a nurse practitioner in Baltimore, Maryland. She specializes in managing patients diagnosed with heart failure and cardiomyopathy. Ms. Booker is highly rated in 1 condition, according to our data. Her top area of expertise is Heart Failure with Preserved Ejection Fraction (HFpEF).

Rebecca Mcdonald is a Nurse Practitioner specialist and an Urologist in Baltimore, Maryland. Ms. Mcdonald is highly rated in 7 conditions, according to our data. Her top areas of expertise are Neurogenic Bladder, Enlarged Prostate (BPH), Urinary Tract Infection in Children, and Urinary Tract Infection (UTI).

Caitlin Brown is a Nurse Practitioner in Baltimore, Maryland. Ms. Brown is highly rated in 3 conditions, according to our data. Her top areas of expertise are Ampullary Cancer, Gallbladder Adenocarcinoma, Pancreatic Ductal Adenocarcinoma, and Gastroesophageal Junction Cancer.

Selina Yeasmin is a Nurse Practitioner in Baltimore, Maryland. Ms. Yeasmin is highly rated in 1 condition, according to our data. Her top area of expertise is Relapsing Multiple Sclerosis (RMS).

Morgan Staton is a Nurse Practitioner in Baltimore, Maryland. Ms. Staton is highly rated in 1 condition, according to our data. Her top areas of expertise are Ampullary Cancer, Gastroesophageal Junction Cancer, Gallbladder Adenocarcinoma, and Pancreatic Ductal Adenocarcinoma.

Valerie Ironside is a Nurse Practitioner in Baltimore, Maryland. Ms. Ironside is highly rated in 1 condition, according to our data. Her top areas of expertise are Smoldering Multiple Myeloma, Relapsed Refractory Multiple Myeloma (RRMM), Myeloproliferative Neoplasms (MPN), and ALK-Positive Non-Small Cell Lung Cancer.

Georganne Jambeter is a Nurse Practitioner in Baltimore, Maryland. Ms. Jambeter is highly rated in 1 condition, according to our data. Her top area of expertise is ALK-Positive Non-Small Cell Lung Cancer.

Michelle Turner is a Nurse Practitioner in Baltimore, Maryland. Ms. Turner is highly rated in 1 condition, according to our data. Her top area of expertise is ALK-Positive Non-Small Cell Lung Cancer. Ms. Turner is currently accepting new patients.

Valerie Peterson is a Nurse Practitioner in Baltimore, Maryland. Ms. Peterson is highly rated in 1 condition, according to our data. Her top area of expertise is ALK-Positive Non-Small Cell Lung Cancer.

Jheneale Grandison is a Nurse Practitioner in Baltimore, Maryland. Ms. Grandison is highly rated in 1 condition, according to our data. Her top area of expertise is Systemic Sclerosis (SSc).

Kathleen H. Byrne, CRNP is a nurse practitioner. She specializes in managing and treating patients diagnosed with congenital heart disease and lipid disorders. Her expertise includes cardiovascular disease, high cholesterol, lipid disorders, congenital heart disease, pediatric cardiology, critical cardiac care and cardiovascular disease prevention. Her top areas of expertise are Homozygous Familial Hypercholesterolemia (HoFH) and Heterozygous Familial Hypercholesterolemia (HeFH).

Nurse practitioner Christina Ritter cares for patients who are diagnosed with cerebral spinal fluid disorders and Chiari malformation. Ms. Ritter earned her Master of Science in nursing from the University of Illinois at Chicago and Doctor of Nursing Practice from the University of Minnesota. She has extensive experience in general neurosurgery with a special interest and expertise in medical management of trigeminal neuralgia. Before joining Johns Hopkins, Ritter worked as a senior/lead neurosurgery nurse practitioner in several elite academic institutions. Her top area of expertise is Cytomegalovirus Antenatal Infection.

Jen Giordano is a nurse practitioner specializing in orthopedic oncology, assisting Albert Aboulafia, M.D., M.B.A. Her top area of expertise is Smoldering Multiple Myeloma.

Nurse practitioner Colleen Lenz cares for patients who are diagnosed with cerebral palsy and who have neurosurgical needs to help with tone management, specifically baclofen pump therapy. She is credentialed at both Johns Hopkins and Kennedy Krieger Institute. Lenz earned her master’s degree in nursing from New York University Rory Meyers College of Nursing. Her research interests include pain in people with cerebral palsy and suicide screening tool validation for children with neurodevelopmental disorders. Her top area of expertise is Hereditary Ataxia.

Kathy Ruble is a Nurse Practitioner in Baltimore, Maryland. Her top areas of expertise are Pediatric Low-Grade Glioma (pLGG) and Leukemia.

Sara Hensley, C.R.N.P., received her Bachelor of Science in Nursing from Loyola University Chicago and Master of Science in Nursing from University of Texas at Arlington. She is an adult gerontology nurse practitioner and has most recently practiced in Baltimore with experience in chronic management and preventive health. N.P. Hensley values shared decision-making with patients and provides a holistic approach to healthcare. She works with patients to find the best plan of action for their lifestyle to improve their health and quality of life. N.P. Hensley enjoys spending time outdoors and exploring the Baltimore area with her husband, daughter and two dogs. Her top areas of expertise are Opioid Induced Constipation, Seasonal Affective Disorder (SAD), Muscle Spasms, and Vitamin D Deficiency.

Angela Ferrari-Walczak, C.R.N.P., is a certified nurse practitioner with Johns Hopkins Community Physicians. With a passion for women’s health, N.P. Walczak loves working with women of all ages and being there for them during times of stressful situations in regards to their health. She loves providing education to women about their bodies and strives to make her patients feel comfortable so that they are able to discuss their concerns without hesitation. N.P. Walczak enjoys spending time with her husband, their son, and two cats Fae and Luna. She loves being a mom, and enjoys music and a good movie. Her top area of expertise is Angiomyoma.

Susan Ettinger, C.R.N.P., returns to Johns Hopkins Community Physicians with more than 25 years of experience in family medicine. She received her bachelor's degree in nursing from Coppin State University. From there, she went on to receive her master's degree in nursing from University of North Carolina – Greensboro. N.P. Ettinger enjoys working with patients to manage chronic diseases such as diabetes and hypertension. N.P. Ettinger lives in Baltimore City with her two cats and has three grown children and four grandchildren. She enjoys riding her bike around the harbor and Fort McHenry. Her top areas of expertise are Homozygous Familial Hypercholesterolemia (HoFH) and Heterozygous Familial Hypercholesterolemia (HeFH).

Brian Sharkey is a nurse practitioner who specializes in the care of older adults at the Beacham Center for Geriatric Medicine. He focuses on polypharmacy (patients’ use of multiple prescription drugs), appropriate risk evaluations for surgeries, how patients can live and maintain their independence, and support of family members and caregivers to achieve patients’ goals. Sharkey has extensive experience evaluating and treating older adults. Outside of Johns Hopkins, he has worked in nursing homes, a continuing care retirement community and a private practice setting. At Johns Hopkins Bayview Medical Center, he has worked for an inpatient geriatric consultation service and on a medical behavioral unit. Sharkey also supports instilling principles of geriatric care in nurse practitioner students who are training at Johns Hopkins. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF) and Emphysema.

Valerie Owen is a Nurse Practitioner in Baltimore, Maryland. Ms. Owen has been practicing medicine for over 10 years. Her top area of expertise is Neurogenic Bowel.

N.P. Fetting is interested in the impact of mental health on chronic disease management, and the complex interplay of psychosocial stressors and chronic illness. She enjoys running, reading and time with her family. Her top area of expertise is Heart Failure with Preserved Ejection Fraction (HFpEF).

Michelle Joffe is a Nurse Practitioner in Baltimore, Maryland. Her top areas of expertise are Emphysema, Lung Nodules, and Seasonal Affective Disorder (SAD).