Our Physicians

Our Physicians are All Board Certified in Neurology

qualified doctors

Our Physicians are All Board Certified in Neurology

Our physicians also have additional sub-specialty certifications

  • Clinical Neurophysiology - Drs. Whicker and Asad
  • Cerebrovascular Medicine (Stroke) – Dr. Poltorak
Neurological Medicine, P.A. in Greenbelt, MD

Meet the Team

Lawrence R. Whicker, M.D.

Neurology and Clinical Neurophysiology
Lawrence R. Whicker, M.D.

Dr. Lawrence Whicker has been a physician/partner in the practice since 1989.


His education and training includes:


  • BA: Case Western Reserve University, Summa Cum Laude, Phi Beta Kappa
  • MD: Case Western Reserve University School of Medicine
  • Neurology Residency: Yale-New Haven Hospital
  • Clinical Neurophysiology Fellowship: Yale University School of Medicine


Dr. Whicker is Board Certified in Neurology and has an additional subspecialty/Board Certification in Clinical Neurophysiology.


Dr. Whicker provides comprehensive neurological care with particular emphasis in neck, back, and limb pain, dizziness and vertigo, Parkinson’s disease.


He is a member of the county and state’s medical societies and the American Medical Association. He is also a member of the American Academy of Neurology and is a fellow of the American Clinical Neurophysiology Society.

Dr. Whicker's Reviews:

Maciej Poltorak, M.D., Ph.D.

Neurology, Vascular Neurology and Neuroimmunology
Maciej Poltorak
Dr. Poltorak joined Neurological Medicine, P.A. in 1999 and became a partner in 2003.
Board certified in general Neurology and Vascular Neurology by the American Board of Psychiatry and Neurology, Dr. Poltorak belongs to multiple medical/neurological associations, including the American Academy of Neurology.
Dr. Poltorak specializes in strokes and multiple sclerosis. He is an expert in peripheral nerve problems, neuropsychiatric disorders, sleep and movement disorders as well as seizures.
Dr. Poltorak graduated with distinction from Warsaw Medical School in Poland. He attained his PhD by conducting both clinical and research work on multiple sclerosis. Later, he studied neurodevelopmental and neuroimmunological pathologies at the University of Heidelberg, Germany.
He then conducted studies at the University of Maryland School of Medicine and the National Institute of Mental Health (NIMH) – Neuroscience Center, where he continued neuroscientific research on movement and neuropsychiatric disorders for nine years. He completed his internal medicine internship and neurological residency at the George Washington University in Washington, DC.
During his research, he published over 70 full-length papers in renowned peer-reviewed scientific journals, in addition to book chapters, and over 100 abstracts. He received numerous honors including the Alexander von Humboldt Foundation Research Scholar Award, the Senior Scholar Fulbright Research Award and twice the Stanley Foundation Research Award. He served on the Editorial Board of the Journal of Neurotransplantation, and was a peer-reviewer for numerous scientific journals.

Syed W. Asad, M.D.

Dr. Syed Asad

Dr. Asad joined Neurological Medicine in July 2003 as a staff member. He is an active member of the American Academy of Neurology.


Special interests in Neurology include: Stroke, Epilepsy, Dementia, Headache, Sleep Disorders , Spine disorders and Neuropathy.


  • NEUROLOGY RESIDENCY: Medical College of Virginia Hospitals-Virginia Commonwealth University (MCV-VCU) from July 1998-June 2001.


  • CLINICAL NEUROPHYSIOLOGY FELLOWSHIP: University of Maryland Medical Center (UMMS) in Baltimore from July 2001-June 2002.


  • EPILEPSY FELLOWSHIP: University of Maryland Medical Center (UMMS) from July 2002-June 2003 received advanced training in Seizures and medically refractory epilepsy, pre-surgical evaluation and management of pediatric and adult epilepsy patients.


  • HEADACHE PRECEPTORSHIP: University of California San Francisco.


  • NEUROVASCULAR ULTRASOUND: Wake Forest University School of Medicine December 6, 2004.


  • CERTIFICATE OF APPRECIATION: Maryland Brain Attack Team (BAT) at University of Maryland Medical Systems June 2003.

Dr. Asad's Reviews:

Nabeen Hussain, M.D.

Dr. Nabeen Hussain

Dr. Nabeen Hussain joined Neurological Medicine in July 2005 as a staff member.


Dr. Hussain began his medical training graduating at The Johns Hopkins University in 1993. He subsequently received his medical degree from Hahnemann University School of Medicine in 1997. Dr. Hussain is board certified by the American Board of Psychiatry and Neurology.


He was honored as the resident of the year from his neurology training program at the National Capitol Consortium, and is a medical instructor at the Uniformed Services University of the Health Sciences. Dr. Hussain proudly served in the United States Army between 1997-2005, and retired as a Major while serving at both Walter Reed Army Medical Center (AMC) in Washington, D.C., and William Beaumont AMC in El Paso, TX.


In addition to English, Dr. Hussain speaks Hindi. Special interests in Neurology include: Stroke, Epilepsy, Dementia, Headache, and Neuropathy.


Dr. Hussain is an active member of the American Academy of Neurology.

Kenneth Kudelko, M.D.

Kenneth Kudelko

Dr. Kenneth Kudelko joined Neurological Medicine in July 2008 as a staff member. He is board certified by the American Board of Psychiatry and Neurology.


Dr. Kudelko graduated with a Bachelor of Science from the University of Michigan in 1994. He went on to study medicine at the George Washington University, where he earned his M.D. in 1999. He then completed his neurology internship and residency at Walter Reed Army and Bethesda National Naval Medical Centers during 1999-2003.


From 2003-2008, Dr. Kudelko worked as a staff neurologist at the Tripler Army Medical Center in Honolulu HI. During this time, he deployed for one year to Iraq where he served as a physician in support of the 25th Infantry Division. He completed 9 years of active duty service in the U.S. Army during which time he was promoted to Major.


Dr. Kudelko’s interests include headache, stroke, multiple sclerosis, seizure, and dementia. He is an active member of the American Academy of Neurology.

Conditions Patients Consult With Us On

Back and neck pain

Carpal tunnel syndrome

Headaches & Migraines





Pinched nerves

Parkinson’s disease

Passing out spells


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