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Mark Whitten, MD


Dr. Mark Whitten, board-certified ophthalmologist, Medical Director of Whitten Laser Eye and Founding Partner of Vision Innovation Partners, is the most experienced LASIK surgeon in the Mid-Atlantic Region, with more than 40 years of ophthalmology experience in the Washington D.C. and Richmond, VA areas. He has performed over 200,000 laser vision correction procedures and earned a national reputation for excellence in eye care.

Dr. Whitten stays at the forefront of new technology to achieve the best vision results for his patients. While he has achieved recognition in his field and has earned many honors, his greatest satisfaction is improving vision every day. The highest compliment that Dr. Whitten receives is when his patients refer their family and friends.

More About Dr. Whitten

Dr. Whitten earned his undergraduate degree from the University of Virginia, his medical degree from the Medical College of Virginia and completed his residency at the Washington National Eye Center. Dr. Whitten went on to train new doctors in residency programs at Georgetown University and Washington Hospital Center. For more than ten years, Dr. Whitten served as the Regional Medical Director overseeing TLC Laser Eye Centers in Rockville, MD, Tysons Corner, VA, Reston, VA, Richmond, VA, and Pittsburg, PA.

Dr. Whitten was born and educated in Richmond, VA, built his world-class reputation in the Washington DC area, and currently resides in southern Maryland. He is proud to bring advanced vision care to all of these locations. In his free time, Dr. Whitten enjoys sailing, fishing, or perfecting his swing on the golf course.

Erin P. Benjamin, D.O.

ErinBenjaminDr. Erin P. Benjamin is a licensed, board-certified ophthalmologist, who joined Whitten Laser Eye at its Charlotte Hall location in October 2020. She specializes in pediatric ophthalmology, strabismus and general ophthalmology, including micro-incision cataract surgery. In addition, Dr. Benjamin is trained to diagnose and treat a wide variety of other eye conditions including glaucoma, dry eye and ocular infections.

Dr. Benjamin completed her medical school training at Philadelphia College of Osteopathic Medicine and her ophthalmology residency through Michigan State University at Hillsdale Community Health Center. After residency, Dr. Benjamin completed a fellowship in pediatric ophthalmology and strabismus at Akron Children’s Hospital. As a medical student, she traveled to Africa and India to work with patients. In 2020, Dr. Benjamin completed her fellowship with the American Osteopathic College of Ophthalmology.

Raised in South Jersey, Dr. Benjamin is excited to return to the mid-Atlantic to provide patients in Southern Maryland with the newest advancements in pediatric and general eye care.


  • Akron Children’s Hospital, Akron, OH, Fellowship in Pediatric Ophthalmology and Strabismus
  • Michigan State University, Hillsdale Community Health Center, Hillsdale, MI, Ophthalmology Residency
  • Philadelphia College of Osteopathic Medicine, Philadelphia, PA, D.O.
  • Franklin & Marshall College, Lancaster, PA, B.A. in Neuroscience


  • American Academy of Ophthalmology
  • American Academy of Pediatric Ophthalmology and Strabismus
  • American Osteopathic Colleges of Ophthalmology and Otolaryngology-Head and Neck Surgery
  • American Osteopathic Association

Nguyen Waterman, OD

Dr-Nguyen-Waterman-WLEFrom our Chevy Chase, MD, location, Dr. Nguyen Waterman practices comprehensive eye care including routine eye exams, contact lens fittings, glaucoma and cataract evaluations, as well as pre and post-op surgery care. She also specializes in macular degeneration, diabetic eye, and strabismus evaluations. Dr. Waterman has a passion for treating dry eye patients and those who suffer from eye related allergies.

Prior to joining Whitten Laser Eye, Dr. Waterman worked at Kaiser Permanente where she focused on promoting preventative care of the patient. This entailed working hand in hand with internal medicine to ensure patients with hypertension, diabetes, and other systemic conditions were well monitored. She also participated in telemedicine consults reading retinal photos as a screening measure for diabetic patients.

Additionally Dr. Waterman previously worked at Texas Tech University Health Science Center, where she was responsible for teaching clinical skills to first and second year medical students as they rotated through the different sections. Dr. Waterman also worked as a civilian optometrist at the William Beaumont Army Medical Center where she received the Achievement Medal for Civilian Service in her care of the military community and their family members.

Dr. Waterman attended Washington University in St. Louis where she worked in the Department of Cell Biology and Physiology. After graduating cum laude from Washington University in St. Louis with a degree in Biochemistry, Dr. Waterman attended the University of Missouri in St. Louis Optometry School where she graduated on the Dean’s List.

While in optometry school Dr. Waterman was awarded the Mary M. Gilbert scholarship, a Merit Scholarship, and was a member of the Beta Sigma Kappa International Honor Society. She was also awarded an American Academy of Optometry research stipend and a National Eye Institute Summer Research Fellowship at the University Of Houston School Of Optometry. During her summer fellowship, she published an abstract on corneal healing at the Association for Research in Vision and Ophthalmology (ARVO).

While not in the clinic, Dr. Waterman enjoys cooking and trying out new restaurants in the DMV area. You can also find her traveling, hiking, skiing–and more recently, at a barre or spin class.


  • Fluent in English and Vietnamese
  • Speaks some Spanish

Kimberly Deugwillo, O.D.

Deugwillo-7062-1050pxKimberly Deugwillo O.D., MSLVR, is a comprehensive Optometrist at Whitten Laser Eye. Dr. Deugwillo obtained her Optometry degree and Masters in Low Vision Rehabilitation from Pennsylvania College of Optometry in Philadelphia, PA, with highest honors. She also completed her residency at The Eye Institute in Philadelphia. Dr. Deugwillo received her undergraduate degree in Psychology from the University of North Carolina-Chapel Hill with honors. Dr. Deugwillo has a special interest in low vision, dry eye and contact lenses.

Dr. Deugwillo is a native of Maryland and currently resides in Calvert County with her husband and four children. She enjoys hiking, cooking, reading and going on adventures with her family.

Dr. Deugwillo also sees patients at our partner practice, Maryland Eye Associates, which is located in Prince Frederick, MD.