Our Doctors

  • Dr. Melchionna


    Kenneth V. Melchionna, D.O.

    Eye Physician and Surgeon
    Specializing in No-Stitch Cataract, Laser and Glaucoma Surgery

    Dr. Melchionna received his medical degree from the University of Health Sciences in Kansas City, Missouri, where he was fifth in his medical school class, as well as class president. His surgical internship was completed at The Cleveland Clinic. He went on to complete his ophthalmology residency at The Alton Ochsner Medical Foundation in New Orleans, Louisiana.

    Certified by the American Board of Ophthalmology and as a member of the American College of Surgeons, Dr. Melchionna is on staff at several area hospitals. He is affiliated with the American Society of Cataract and Refractive Surgery, American Academy of Ophthalmology and Illinois Association of Ophthalmology.

    Dr. Melchionna truly enjoys his patients. His glaucoma management and cataract surgery has helped thousands of people improve their sight. He is an accomplished eye surgeon having performed over 6,000 cases and always enjoys seeing new patients.


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  • Dr. de Guzman

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    Michael de Guzman, D.O.

    Eye Physician and Surgeon
    Specializing in Glaucoma, Cataract and Refractive Surgery

    Dr. de Guzman was born in Chicago and raised in Grayslake, IL. He received his undergraduate degree in Biomedical Science from Marquette University in Milwaukee, WI. He graduated medical school from Lake Erie College of Osteopathic Medicine in Erie, PA. He then completed his internship and Ophthalmology residency at St. John’s Episcopal Hospital in Queens, NY, where he served as Chief Resident in his final year. He further obtained his Glaucoma subspecialty fellowship at The Storm Eye Institute of the Medical University of South Carolina in Charleston, SC.

    He is a member of the American Academy of Ophthalmology (AAO), The American Glaucoma Society (AGS), and the American Osteopathic Colleges of Ophthalmology and Otolaryngology- Head and Neck Surgery (AOCOO-HNS).

    Dr. de Guzman is passionate about protecting the vision of his patients the best he can. Glaucoma is the leading cause of irreversible blindness worldwide; he is committed to educating, discussing, and providing treatments tailored for his patients. These treatments include medical, laser, microinvasive surgical, and traditional surgical options.

    Having finally returned home to Illinois after his years of training across the country, Dr. de Guzman is excited to build new relationships in his community. Outside the office, Dr. de Guzman enjoys trying new foods and binge-watching Netflix dramas with his best friend/wife, Janie.

  • Dr. Kozlov


    Kristi Kozlov, M.D.

    Eye Physician and Surgeon
    Specializing in Cornea, External Disease and Refractive Surgery

    Dr. Kozlov originally joined Simpson Eye Associates in 2003. She is a board certified ophthalmologist specializing in cornea, external disease and refractive surgery. Dr. Kozlov is a board-certified member of the American Academy of Ophthalmology. She received here medical degree from the University of Illinois in 1995. Dr. Kozlov continued her medical education in Chicago by completing her internship at Ravenswood Hospital. She went on to finish her residency in ophthalmology at the University of Illinois. After her residency, Dr. Kozlov went on for additional education and training via a fellowship in cornea, external disease and refractive surgery at the University of California-San Diego.

    She is passionate about her specialty. Dr. Kozlov enjoys helping people with cornea problems and assisting her patients to become less dependent on glasses and contacts with refractive surgery.

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  • Dr. Romaniv

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    Natalya Romaniv, M.D.

    Eye Physician and Surgeon
    Specializing in No-Stitch Cataract, Laser and Glaucoma Surgery

    Dr. Romaniv is a comprehensive ophthalmologist who specializes in cataract surgery as well as medical glaucoma treatment. She is a skilled cataract surgeon who uses the latest phacoemulsification techniques for cataract surgery, and offers both Toric and multifocal intraocular lens implants to reduce dependence on glasses after surgery. She also does eyelid procedures and takes care of patients with glaucoma, macular degeneration, and diabetes.

    Dr. Romaniv was born in Ukraine and grew up in Chicago, and later earned her bachelor’s degree from the University of Chicago. She attended Washington University in St. Louis for her M.D. degree. Dr. Romaniv then spent one year as a research fellow at the University of Utah studying innovative intraocular lens designs used in cataract surgery, and won multiple awards for her work. She completed her ophthalmology residency at Louisiana State University in New Orleans.

    Dr. Romaniv has an interest in international ophthalmology, and had travelled with the International Vision Volunteers to Zambia in Africa to provide free eye care and surgery. She is fluent in English and Ukrainian, as well as conversational in Russian and Spanish.


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  • Dr. Setlur

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    Vikram Setlur, M.D.

    Eye Physician and Surgeon
    Specializing in Retinal Surgery and Macular Diseases

    Dr. Setlur joined Simpson Eye in September of 2020. He is a board-certified ophthalmologist specializing in the medical and surgical treatment of vitreoretinal and macular diseases.

    Dr. Setlur earned his BA in Finance, Summa Cum Laude, from the University of Illinois-Urbana Champaign and his MD from the University of Illinois-Chicago, where he was selected for the Alpha Omega Alpha Medical Honor Society. He completed his internship at MacNeal Hospital in Berwyn, IL, and residency in Ophthalmology at the internationally renowned Wills Eye Hospital in Philadelphia, PA. He went for additional training in vitreoretinal surgery at the University of Illinois Eye and Ear Infirmary. Dr. Setlur specializes in diseases of the retina and vitreous, as well as laser and surgical treatments for a variety of conditions including macular degeneration, diabetic retinopathy, macular holes, epiretinal membranes, and retinal detachments.

    Dr. Setlur is a native Chicagoan, growing up in Naperville, Illinois.

    When not working, Dr. Setlur enjoys time with his two children and wife. Dr. Setlur is excited to be able to treat patients in the Northwest Suburbs and provide exceptional care to our patients.

    Dr. Setlur is currently seeing patients at our West Dundee location and is on staff at Advocate Sherman Hospital.

    Societies and Organizations
    – American Academy of Ophthalmology
    – American Board of Ophthalmology
    – American Society of Retina Specialists
    – Illinois Society of Eye Physicians & Surgeons

    – University of Illinois Eye and Ear Infirmary, Chicago, IL

    – Ophthalmology, Wills Eye Hospital, Philadelphia PA

    Medical School
    – M.D., University of Illinois- Chicago, IL


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  • Dr. Turok


    David Turok, M.D.

    Eye Physician and Surgeon
    Specializing in Oculoplastic & Cosmetic Surgery and Neuro-Ophthalmology

    Dr. Turok joined Simpson Eye Associates in October of 2002. Dr. Turok is an ophthalmic plastic surgeon and neuro-ophthalmologist who is double boarded in both ophthalmology and neurology. In addition, Dr. Turok is fellowship trained in ophthalmic-plastic, reconstructive and cosmetic surgery. He is a member of the American Academy of Ophthalmology, the North American Neuro-Ophthalmology Society, American Academy of Cosmetic Surgery, the International Society of Cosmetic Laser Surgeons and the American Society for Liposuction Surgery. His particular interests include: cutaneous laser surgery, cosmetic facial surgery, periocular tumors, tearing disorders and thyroid related eye disease. Dr. Turok always wecomes new patients.

  • Dr. Rimbergas


    Sylvia Rimbergas, O.D., FAAO

    Optometric Eye Doctor

    Dr. Rimbergas joined Simpson Eye Associates in 2013. Dr. Rimbergas is a therapeutic Optometrist with more than ten years of experience and specializes in the diagnosis and treatment of eye diseases such as glaucoma and diabetes, while providing routine vision care for the entire family. Dr. Rimbergas is also able to accommodate your contact lens needs.

    Dr. Rimbergas is originally from Chicago. She graduated from both Benedictine University and the Illinois College of Optometry with honors. She completed a hospital based residency at Jessie Brown and Hines Chicago VA system. Dr. Rimbergas is a fellow of the American Academy of Optometry. She has lived with her family in Huntley since 2007 and is very involved in the community. During her free time Sylvia enjoys running, eating Chicago style pizza and spending time with her husband and daughter.