Mark Ortiz, RPA-C

Dr. Maltese joined our practice during the summer of 2014, and he has been the medical director since February 2015.  Board certified in Neurology and Sleep Medicine, his interests include general neurology, headache, dementia, neurophysiology, and sleep disorders.  He received his Doctor of Osteopathic Medicine degree from the University of Medicine and Dentistry of New Jersey in 2008 and completed an internship in Internal Medicine at Morristown Memorial Hospital in Morristown, NJ.  Dr. Maltese completed his residency in Neurology at Stony Brook University Hospital, where he served as chief resident during his final year.  He pursued additional training with fellowships in Neurophysiology (EEG and EMG) and Sleep Medicine at Stony Brook.


Dr. Maltese's research has been presented at the American Academy of Neurology Annual Convention and he has participated in The College of New Jersey's Residential Education "Distinguished Alumni Panel."  He enjoys teaching residents and medical students, and is a voluntary Clinical Assistant Professor of Neurology at Stony Brook.


Dr. Maltese is affiliated with Stony Brook University Hospital.

Dr. Todd J. Maltese, D.O.

Eun Ah Helms, RPA-C, MPAS

Ms. Cardona is a board-certified nurse practitioner who joined our practice in January 2023. She graduated from SUNY Downstate with a Bachelor of Science in Nursing in August of 2013 and went on to obtain her Master of Science in Nursing from SUNY Downstate in August of 2020. She excelled academically, graduating with honors.

Prior to joining our practice, throughout her 8 years of experience as a registered nurse and now as a nurse practitioner, Carinne has worked in neurology and has always been passionate about neuroscience and providing compassionate, quality care to her patients.  As a registered nurse, Carinne worked in the Stroke Unit, Epilepsy Monitoring Unit, and Neurology/Neurosurgery Unit at North Shore University Hospital, where she routinely cared for patients with acute neurological disorders.

Carinne’s clinical interests include general neurology, as well as therapeutic injections for treatment of chronic headaches and pain. She is committed to fostering an environment of mutual understanding and developing effective treatment plans in alliance with her patients in order to improve their quality of life.

Mr. Ortiz is a board-certified physician assistant who joined our practice in June of 2022. He graduated from Stony Brook University with a degree in Health Science with a concentration in Emergency and Critical Care, and from Salus University in Philadelphia with a Masters of Medical Science degree.  Mark has excelled academically, graduating both programs with honors and being the recipient of the Clinical Excellence Award from Salus University and was inducted into the Pi Alpha National Honor Society for Physician Assistants.

Mark joined us with five years of general outpatient neurology experience and previously served as the Chief Physician Assistant at his prior practice. His interests include, but not limited to, headache disorders, neuroimmunology, integrative pain management, and neuropsychological disorders.  Mark is skilled in Botox injections for chronic migraine headaches, axillary/palmar/plantar hyperhidrosis, blepharospasm and certain forms of dystonia.  In addition, he performs trigger point injections and a variety of joint injections and nerve blocks for both acute and chronic pain processes.

Mark is a thorough and comprehensive clinician who prioritizes communication and developing a rapport to individualize the treatment he offers.

Our staff is here to support you!

Mid-Suffolk Neurology & Sleep Medicine

Amanda Salay, RPA-C

Ms. Salay is a board-certified physician assistant who will be joining our practice in May 2024. She completed a Bachelor’s of Science Degree at the University of Delaware with a major in Exercise Science, where she excelled academically and was on the Dean’s list. Throughout her time in undergrad, she volunteered as an EMT and performed research in Emergency Medicine, Psychology, and Biomechanics. She then entered Arcadia University’s Physician Assistant Program where she graduated with honors earning a Masters of Medical Science Degree in Physician Assistant Studies. 

She started her first job in Neurosurgery at Stony Brook University Hospital in 2022 where she assisted in brain and spinal surgeries and helped manage pre and post-surgical patients in the hospital. A year later, Amanda transitioned to outpatient Neurology at Stony Brook where she found her true passion treating general neurological conditions. She then joined our practice 1.5 years later in May 2024.

Amanda enjoys creating a rapport with her patients and providing a safe and comfortable environment for them to feel included in every aspect of their care. She values finding an individualized treatment plan for every patient.

Call Us:  631-737-0055

Carinne Cardona, NP

A registered and board certified physician assistant, Ms. Helms joined our practice in August 2015.  She pursued a Health Science major at SUNY-Stony Brook, and achieved both a Bachelors of Science degree in Health Sciences and a Masters of Science degree in Physician Assistant Studies at Touro College - School of Health Sciences, in 2012.  Due to her academic success, Eun Ah was recognized on both the Dean's list and Honor Roll.

Eun Ah joined us after working two years in primary care, and her interests include all aspects of general neurology as well as the administration therapeutic injections such as nerve blocks, trigger point injections, and Botox for chronic migraines. 


Eun Ah's patients always comment about the compassionate and thorough care that she provides.