Meet The Team
Our team is comprised of a group of physicians specializing in physical medicine and rehabilitation. We work with your primary care physician and other health care professionals to maximize what you CAN DO!

Gunnar W. Zorn III, M.D.
Dr. Zorn graduated from Duke University, N.C. and from Jefferson Medical College in Philadelphia, PA. He completed his internship at the Medical Center of Delaware in Newark. He did his residency at Jefferson University Hospital. Dr. Zorn is a Diplomate of the American Board of Physical Medicine and Rehabilitation and is a Diplomate of the American Board of Electrodiagnostic Medicine. He is a certified Independent Medical Examiner with the American Board of Independent Medical Examiners. Dr. Zorn, who specializes in comprehensive generalized rehabilitation, musculoskeletal disorders, Electrodiagnostic medicine and independent medical examinations, started the practice in 1992. He has a special interest in geriatric rehabilitation.

Jeffrey W. Anderson, D.O.
Dr. Anderson graduated from the University of Health Science, College of Osteopathic Medicine in Kansas City, MO. He completed his Internship at Metropolitan Medical Center in St. Louis, MO. Dr. Anderson did his residency at Jewish-Barnes Hospital at Washington University. He is a Diplomate of the American Board of Physical Medicine and Rehabilitation as well as the American Board of Electrodiagnostic Medicine. Dr. Anderson specializes in comprehensive general rehabilitation, musculoskeletal disorders and Electrodiagnostic Medicine. He has a special interest in spasticity management. Dr. Anderson joined Ability Rehab Associates in 1994.

Mandip S. Parmar, M.D.
Dr. Parmar graduated from the University of Maryland in College Park MD and the Medical College of PA. He completed his internship at York Hospital in York, PA and did his residency at Johns Hopkins University in Baltimore, MD. Dr. Parmar is a board-certified physician in Physical Medicine and Rehabilitation and specializes in industrial rehab and workers compensation cases. He joined Ability Rehab Associates
in 2003.

Giovanni P. David, M.D.
Dr. David graduated from the University of Vermont and from the University of the East, Manila, Philippines. He completed his internship at Vanderbilt University in Tennessee. Dr. David did his residency at Pitt County Memorial Hospital at East Carolina University. Dr. David enjoys all water sports in his free time. Dr. David joined Ability Rehab in 2010.

Nichole J. Martin, P.A.-C
Nichole graduated from Hastings College in Nebraska with a B.A. in Biology. She completed her Physician Assistant degree at Arcadia University in Glenside, PA. Nichole is a member of the American Academy of Physician Assistants as well as the Nebraska and Tennessee Academy of Physician Assistants. Nichole is an active member of Toastmasters International. In addition she has also been a speaker at the National Conference of the Academy of Physician Assistants. Nichole has spent all of her career in sub-acute and acute rehabilitation. Nichole joined Ability Rehab in 2006.

Valerie Landon, P.A.-C
Valerie graduated from Salisbury University in Salisbury, MD. Valerie completed her Physician Assistants program at University of Maryland - Eastern Shore. Prior to joining Ability Rehab Associates she worked at Peninsula Orthopedics and Your Doc’s In. Valerie has worked as an adjunct professor at University of Maryland Eastern Shore. Valerie joined Ability Rehab in 2013.

William Ennis, P.A.-C
“Scottie” graduated from the University of Maryland - Eastern Shore where he completed his degree as a Physician Assistant. Scottie is a member of the American Association of Physician Assistants and the Maryland Association of Physician Assistants. Prior to joining Ability Rehab he worked with the Mid Atlantic Surgical group. His outside interests are drag racing, motorcycles and hunting and fishing. Scottie joined the practice in 2015.

Shannon Mills, M.S.N., C.R.N.P
Shannon graduated Cum Laude from Nazareth College in Rochester, NY. Shannon received her Masters degree in Family Nurse Practice from St. John Fisher College in Rochester, NY. Shannon is Stroke certified and has worked extensively in emergency medicine, medical-surgical, and with the veteran population. Prior to joining Ability Rehab Associates Shannon worked for Five Star Physician Services and Your Doc’s In. Shannon joined Ability Rehab in 2017.

Julie Brown, P.A.-C
Julie graduated from the University of Philadelphia in Pennsylvania where she received a B.S. Julie is an active member of the Parsonsburg Volunteer Fire Company, where she is also a paramedic. Julie belongs to the American Academy of Physician Assistants. Prior to joining Ability Rehab she worked for Emergency Service Associates and Dr. Alon Davis. Julie joined Ability Rehab Associates in 2011.

Kellie Fox, C.R.N.P
Kellie graduated from Wilmington College in Georgetown, DE where she received her Master’s degree in the Family Nurse Practitioner Program. Kellie has a strong geriatric background, is a member of the Maryland Brain Injury Association and is very active in the community sports programs. Kellie joined Ability Rehab in 2003.