Our Support Staff


Our nurse practitioners are board-certified and licensed to practice medicine. They assist our physicians in diagnosing and treating patients, ordering and reviewing diagnostic tests, and writing prescriptions.


Photograph of Beverly Elliott, BSN, MS, ANP-C

Beverly Elliott, MSN, ANP-C, CCDS

Beverly Elliott has been with North Suffolk Cardiology since 2004. She received her Bachelor of Science in Nursing from the University of Miami and her Master of Science in Nursing degree from Molloy College and is board certified in AANP and ANCC. Ms. Elliott has outstanding experience and expertise in electrophysiology and device arrhythmia management. Beverly is a certified cardiac device specialist (CCDS) and manages North Suffolk Cardiology's device clinic, helping hundreds of our patients to live with and maintain normal function of their pacemakers and defibrillators.

Photograph of Nicole Casanova

Nicole Casanova, MS, RN, FNP-C

Nicole Casanova is a Family Nurse Practitioner. She is nationally certified by the American Association of Nurse Practitioners (AANP).  Nicole received her Master of Science degree from Stony Brook University and her undergraduate degree from Molloy College. She began her nursing career in 2010 and has a strong critical care background.  She is an active member of the AANP as well as the International Honor Society of Nursing-Sigma Theta Tau. Nicole has a true passion for cardiology and believes in providing compassionate, patient-centered care. 

Denise Lundquist

Denise Lundquist, RN, MSN, ANP-BC

Denise Lundquist joined North Suffolk Cardiology in 2016. She received her Bachelor of Science in Nursing at Stony Brook University. She is board certified from the American Nurses Credentialing Center and has been an adult health nurse practitioner since 2011. She brings with her more fifteen years of experience in emergency medicine and critical care. She has a special interest in general and preventative cardiology care. 

Photograph of Elisa Stickelman,  CANPC Elisa Stickelman, RN, MSN, ANP-C

Elisa Stickelman is board certified by the American Academy of Nurse Practitioners as a Nurse Practitioner in Adult Health since 2003. She earned her Bachelor of Science in Nursing at Adelphi University and her Master of Science in Nursing at New York State University at Stony Brook.  Her area of interest is in general clinical cardiology and nuclear stress testing.  She has been with North Suffolk Cardiology since 2005.


Photograph of Julianne Smith, BSN, MSN, FNP-C Julianne Smith, BSN, MSN, FNP-C

Julianne Smith, RN, FNP-BC, is nationally certified through the ANCC and received her BSN in Nursing and MSN in Family Medicine from Wagner College in Staten Island, NY. She began her Nursing Career working at Mather Hospital on the Telemetry Unit. Upon Graduation with her MSN, she worked in gastroenterology, followed by internal medicine and cardiology. She is a Member of the International Society of Nursing- Sigma Theta Tau. She has a passion for cardiology and believes in patient-centered care.





Photograph of Nirupa R. Ramjisingh, MPAS, RPA-C

Nirupa R. Ramjisingh, MPAS, RPA-C

Nirupa joined North Suffolk Cardiology in July 2019. Nirupa has been a Physician Assistant since 2004 and she is certified by the National Commission on the Certification of Physician Assistants (NCCPA). Nirupa has a BA in Biology from Hofstra University as well as a BS and Masters in Physician Assistant Studies from Touro College. Nirupa is a graduate of the Ultrasounds Diagnostic School and she is certified as a diagnostic sonographer. Nirupa’s experience encompasses primary care, emergency/urgent care and internal medicine. Nirupa’s areas of interest include preventative cardiology and cardiac wellness.



Our Nutrition Program has become an excellent tool for our patients to lead a healthier life.  Our dietitian works with patients to create a personalized nutrition plan based on their needs and helps make positive lifelong eating and behavior changes.


Photograph of Jennifer Shanahan

Jennifer J. Shanahan, RD

Jennifer J. Shanahan is a Registered Dietitian who brings 20 years of experience to the Nutrition Program and the patients of North Suffolk Cardiology.  She uses Medical Nutrition Therapy, MNT, to develop individualized, patient-specific meal plans. Patients are provided with nutrition advice developed from evidence-based research that is translated into practical and workable nutrition plans. She supports patients with a personalized meal plan to help manage patients with heart disease, and for those patients with risk factors of heart disease such as high cholesterol, hypertension, obesity, and diabetes. She helps patients make positive lifelong eating and behavior changes.  Jennifer J. Shanahan R.D. received her Bachelor's Degree in Management from Stony Brook University and completed her dietetic internship with Masters of Nutritional Science at Long Island University, C.W. Post.