You are here:

Meet the Physician
Advisory Committee

Our Physician Advisory Committee, comprised of physician partners, takes an active leadership role in the strategic and operational direction of Comprehensive EyeCare Partners.

Members serve a specified term and participate in:

  • Shaping Clinical Quality Standards

  • Technology

  • Provider Recruitment

  • Clinical and Operational Best Practices

  • Patient Experience

  • Clinical Trials


Jason Ahee, M.D.

Zion Eye Institute

Dr. Ahee is originally from Michigan. He obtained his Bachelor of Science degree from Hillsdale College where he graduated Summa Cum Laude. He went on to Wayne State University School of Medicine where he received his Doctor of Medicine degree and graduated with Distinction in Biomedical Research. The following year, Dr. Ahee finished his internship at William Beaumont Hospital in Royal Oak, Michigan, and then went on to Henry Ford Hospital in Detroit where he completed his specialty training in ophthalmology and earned recognition as the Most Outstanding Senior Resident.

He joined the Zion Eye Institute in 2003 and purchased the practice in 2006. He has been a member of the Clinical Faculty at the University of Utah’s Moran Eye Center since 2004, and holds the appointment of Assistant Clinical Professor. Dr. Ahee is also the Chairperson of the Continuing Medical Education Committee at Dixie Regional Medical Center in St. George, and was selected as one of “America’s Top Ophthalmologists in 2009” by consumers research council. He is an active member of the American Academy of Ophthalmology, the American Medical Association, the American Society of Cataract and Refractive Surgeons, and the Utah Ophthalmological Society.


Jeffrey K. Austin, O.D., F.A.A.O.

New Eyes

Dr. Austin is one of the most respected and experienced Optometrists in Southern Nevada. He is a member of the American Optometric Association and a Fellow of the American Academy of Optometry. Dr. Austin, a proud Las Vegas native, has been practicing in Southern Nevada since 1995. He joined New Eyes in the Fall of 2008.

Dr. Austin graduated with honors from the Southern California College of Optometry, where he is a current faculty member of the school. He is also the administrator of the Optometry Student Internship Program at New Eyes, and is active in the optometric community in Nevada, as well as across the United States. Dr. Austin has been President and Education Chairman of the Nevada Optometric Association and is currently President of the Mountain West Council of Optometrists. Dr. Austin was also instrumental in writing and implementing important Optometric Legislation for the State of Nevada.

Dr. Austin has been working with New Eyes Founder and Cataract Surgeon Dr. Helga F. Pizio, since 1999. He is board-certified in the treatment and management of ocular disease and is committed to comprehensive eye care with the best results possible. Dr. Austin has contributed his expertise to a variety of articles and publications and has presented at numerous conferences and symposia devoted to advancing the field of eye care and ocular disease management.


Judy C. Liu, M.D.

Retina Consultants of Nevada

Dr. Liu was born in Miaoli, Taiwan and raised in Eastern Kentucky. She completed her undergraduate degree at Harvard College where she was inducted into Phi Beta Kappa. She then went on to earn a master’s degree in the History of Medicine at Harvard University. She received her M.D. degree from Vanderbilt University School of Medicine in Nashville, Tenn., then went on to do her internship at the Mayo Clinic in Scottsdale, AZ. Dr. Liu completed a residency in General Ophthalmology as well as a fellowship in Vitreoretinal Surgery at the University of Iowa Hospitals and Clinics. Dr. Liu has served as Clinical Assistant Professor of Ophthalmology (adjunct faculty) at the University of Pittsburgh Medical Center. She has been selected by her peers for inclusion in the Best Doctors in America database.  She is fluent in Taiwanese.

Dr. Liu specializes in a variety of medical and surgical conditions of the retina and vitreous including age-related macular degeneration, diabetic retinopathy, retinal detachment repair, endophthalmitis, uveitis and retinal vascular diseases. She has been involved with clinical research on diabetic retinopathy and age-related macular degeneration. Dr. Liu is board certified by the American Board of Ophthalmology and is an active member of the American Society of Retina Specialists and an Active Fellow of the American Academy of Ophthalmology.


Darrick W. Neibaur, D.O., F.O.C.O.O.

Nevada Eye Physicians / Vice Chairman

Dr. Neibaur is a board-certified ophthalmologist and specialist in comprehensive ophthalmology and cataract surgery. At Nevada Eye Physicians in Las Vegas, NV., he provides diagnostic eye exams and surgical procedures for the treatment of cataracts. With a devotion to his patients, Dr. Neibaur is a highly sought-after professional in his field.

Dr. Neibaur specializes in cataract surgery with advanced technology lenses such as the ReSTOR, TECNIS, and Crystalens intraocular lenses in order to reduce patients’ dependency on eyeglasses. He was recently certified in the I-stent, which is implanted during cataract surgery. This procedure helps to control eye pressure. Dr. Neibaur is also one of the first ophthalmologists in Nevada to be certified on the LENSAR femtosecond system.

Dr. Neibaur attended medical school at the Virginia College of Osteopathic Medicine at Virginia Tech University. He then completed an internship and residency at Valley Hospital through Touro University in 2012. During the last year of his residency, he was honored to serve as the chief resident among his peers. Dr. Neibaur is licensed to practice in the state of Nevada and is board certified. He joined Nevada Eye Physicians as a full-time attending physician in 2012.

Dr. Neibaur has published various papers and presentations over the years. Additionally, his volunteer work shows his tremendous character and true care for his patients. During his time at Virginia Tech, he volunteered as a Certified Red Cross Relief Counselor and currently donates his time to the Lions Club Ophthalmology free clinic, as well as the UMC ophthalmology free clinic.


Ksenia Stafeeva, M.D.

New Eyes

Dr. Stafeeva is a native of Russia who came to the United States at the age of 16. She joined New Eyes to help treat patients for advanced corneal diseases and general ophthalmologic pathology. Dr. Stafeeva is bilingual in the Russian and English languages.

Dr. Stafeeva graduated with honors from Gannon University in Erie, PA and went on to complete her master’s degree at Drexel University, Philadelphia, PA. She then completed her medical school education at the top of her class in 2008 at Drexel University College of Medicine in Philadelphia, PA, and she was elected to Alpha Omega Alpha Medical School Honor Society upon graduating.

Dr. Stafeeva continued her training as an internal medicine intern in Philadelphia, Pa. She went on to complete her ophthalmology residency at the University of Colorado. Following her ophthalmology residency, Dr. Stafeeva completed her training in advanced corneal/ocular surface disease and refractive surgery fellowship at Jules Stein Eye Institute, UCLA in Los Angeles, CA. under the supervision of world-renowned faculty in corneal diseases.

During her residency and fellowship, Dr. Stafeeva was involved in multiple research projects and presented in a variety of national ophthalmology meetings. One of her interests is researching and treating patients with significant ocular surface pathology and disease, including ocular surface reconstructions.

Dr. Stafeeva is well-trained and experienced with advanced cataract surgery, a variety of complex corneal surgeries (corneal transplants: PK and DSEK), secondary lens implantation, intraocular lens exchange, ocular surface reconstructive surgeries (ocular lesion excisions and pterygium removal), as well as a number of refractive surgery procedures, including LASIK and PRK.


Mark Stradling, D.O.

Nevada Eye Physicians

Dr. Mark Stradling specializes in comprehensive ophthalmology and cataract surgery at Nevada Eye Physicians. He treats numerous conditions and diseases that occur in the eye by offering diagnostic testing and treatment options for his patients. With extensive experience and training, he uses innovative techniques and technology to provide effective treatments and results.

Dr. Stradling earned his undergraduate degree in biochemistry and Spanish in 2000 from the University of Arizona. He then attended Lake Erie/College of Osteopathic Medicine where he received his medical degree. Dr. Stradling interned at Valley Hospital in Las Vegas, NV. as chief resident and chair-elect for the Council of Residents and Fellow. In 2007, he became the first ophthalmology resident selected into the residency program in the state of Nevada. Dr. Stradling is a clinical trainer at the Valley Hospital Ophthalmology Residency Program and serves as an adjunct professor at Touro University.

In 2008, Dr. Stradling assisted in the publishing of a scientific study to determine the efficacy of two different medications used for cataract surgery. The study received top honors from the American Osteopathic College of Ophthalmology / Otolaryngology-Head and Neck Surgery.


Raymond Theodosis, M.D.

Shepherd Eye Center

Dr. Theodosis, M.D. is originally from Central Texas. He earned his medical degree from Texas Tech University School of Medicine in Lubbock, Texas. He completed his internship and residency at Wake Forest Baptist Medical Center in Winston Salem, North Carolina prior to joining Shepherd Eye Center in 2014. Dr. Theodosis brings his expertise in general ophthalmology, cataract surgery and refractive surgery to the practice where he examines your eyes for the detection and treatment of eyelid disease, cataracts, glaucoma, and retinal disease.

Dr. Theodosis is a member of the American Academy of Ophthalmology, American Medical Association, and Alpha Omega Alpha. He has been involved with multiple studies looking at different designs of intraocular lenses and tear duct obstructions in children. In his free time, Dr. Theodosis enjoys family activities with his wife and four children, Mediterranean cooking, and playing tennis.


Robert B. Taylor III, M.D., F.A.C.S

Shepherd Eye Center / Chairman

Dr. Taylor completed his pre-medical studies at Southern Methodist University and received his medical degree from the University of Texas at Houston. He completed his internship at the University of Pennsylvania and received advanced training in small incision cataract surgery and refractive surgery while completing his residency at the University of Oklahoma, Dean McGee Eye Institute. He completed additional LASIK and PRK surgical training in Toronto, Canada and was one of the first surgeons to offer Conductive Keratoplasty (CK) for the correction of presbyopia when it was first FDA approved. Dr. Taylor’s expertise in refractive surgery today includes not only LASIK but also ICL (implantable contact lenses).

Dr. Taylor is Board Certified by the American Board of Ophthalmology and is a Fellow of the American Academy of Ophthalmology, the American College of Surgeons and the American Society of Cataract and Refractive Surgery. He has served on numerous committees for the Clark County Medical Society. Dr. Taylor joined the Shepherd Eye Center in 2001, bringing his expertise in small incision cataract surgery and refractive surgery to the practice.


Michael Westafer, M.D.

Sierra Nevada Eye Center

Michael Westafer, M.D. attended the University of North Carolina at Chapel Hill, where he completed his undergraduate studies, followed by his medical degree in 2012. He then pursued training in ophthalmology at the Medical College of Georgia. During this time, Dr. Westafer won numerous awards, including the Resident Research Award, and the Nussbaum & Goei Award for the ophthalmology resident with the highest OKAP test score. Following completion of the ophthalmology residency, he pursued a glaucoma fellowship with the Cole Eye Institute at the Cleveland Clinic.

Dr. Westafer is a fellowship-trained glaucoma surgeon, specializing in the treatment of all forms of glaucoma. He also offers expertise in cataract surgery and the treatment of a variety of other ocular diseases.


John Whitehead, M.D.

Evergreen Eye Center

John Whitehead, M.D. received his medical degree from University of Arizona College of Medicine in Tucson, AZ. and completed his residency at Medical College of Wisconsin in Milwaukee, WI. Dr. Whitehead then completed his fellowship in Glaucoma and Advanced Cataract Surgery at University of Utah Moran Eye Center in Salt Lake City, UT.

Dr. Whitehead is Board Certified by the American Board of Ophthalmology and a member of the American Academy of Ophthalmology and Washington Academy of Eye Physicians and Surgeons. Dr. Whitehead strives to provide superior ophthalmic care to patients focusing on glaucoma specialty care, advanced cataract surgery and general ophthalmology. He has been published in ophthalmic journals and has spoken extensively on advancements in the field of ophthalmology. Dr. Whitehead has performed thousands of surgeries and is driven to excel by providing positive outcomes to his patients and their families.