Overview
Prior to joining VED in December, 2017, Dr. Hammer was with Baltimore Washington Eye Center. Dr. Hammer earned his medical degree from the University of Maryland, School of Medicine followed by an Internship at Eisenhower Army Medical Center in Augusta, Georgia. He then completed his training with a residency in Ophthalmology at the Walter Reed Army Medical Center which serves the greater Washington, DC Metro area. Dr. Hammer served as Chief of Ophthalmology at Ireland Community Hospital in Fort Knox, Kentucky. Dr. Hammer enjoys spending time with his family and is very involved with the community. His commitment and his passion for his work is demonstrated by the loyalty of his patients.
Dr. Hammer is rated as an Advanced provider by MediFind in the treatment of Usher Syndrome Type 2A. His top areas of expertise are Dry Eye Syndrome, Subconjunctival Hemorrhage, Allergic Conjunctivitis, Conjunctivitis (Pink Eye), and Cataract Removal.
His clinical research consists of co-authoring 1 peer reviewed article. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- INSURANCE PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
11300 Rockville Pike, Suite 1202, Suite 1202, Rockville, MD 20852
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Katzen Medical Associates PC
Joseph Harlan is an Ophthalmologist in Lutherville, Maryland. Dr. Harlan is rated as a Distinguished provider by MediFind in the treatment of Usher Syndrome Type 2A. His top areas of expertise are Diabetic Retinopathy, Late-Onset Retinal Degeneration, Retinal Artery Occlusion, and Age-Related Macular Degeneration (ARMD). Dr. Harlan is currently accepting new patients.
The Johns Hopkins Hospital
Mandeep S. Singh, M.D., Ph.D., is associate professor of ophthalmology and genetic medicine in the Retina Division of the Wilmer Eye Institute and the recipient of the 2023 Andreas C. Dracopoulos Professorship in Ophthalmology. Dr. Singh is a retinal specialist. He is Co-Director of the Genetic Eye Disease (GEDi) Center, and is a principal investigator at the Center for Stem Cells and Ocular Regenerative Medicine (STORM). Dr. Singh completed his medical degree at the National University of Singapore. In 2009, he was elected to the Fellow of the Royal College of Surgeons of Edinburgh. He earned a PhD in ophthalmology from the University of Oxford, United Kingdom, in 2014. He completed fellowships in vitreoretinal diseases and surgery at the Oxford Eye Hospital and Moorfields Eye Hospital, both in the United Kingdom. His clinical expertise includes surgical, medical and genetic conditions of the retina and macula. Dr. Singh is specialty-trained in vitrectomy surgery for retinal detachment, macular holes, macular pucker, epiretinal membrane, proliferative vitreoretinopathy, complex retinal detachments including reoperations, vitreous hemorrhage removal, and other retinal surgeries. He also specializes in age-related macular degeneration, diabetic retinopathy, diabetic macular edema, retinal vein occlusion, and choroidal neovascularization. Dr. Singh sees patients and families with genetic retinal diseases such as retinitis pigmentosa, Usher syndrome, Stargardt disease and macular dystrophies. His research focus is retinal stem cell transplantation. Dr. Singh’s work has been recognized through the Eye Institute–Allergan Research Prize, the Merton College University of Oxford Graduate Prize Scholarship, the Oxford Ophthalmological Congress Founder’s Cup and Medal, the Ruskell Medal, the Johns Hopkins Clinician Scientist Award, and the Bert M. Glaser, MD Award for Innovative Research in Retina. He is a member of the American Academy of Ophthalmology and the Association for Research in Vision and Ophthalmology. He is also a member of the Club Jules Gonin and the Macula Society. CV https://www.hopkinsmedicine.org/-/media/wilmer/documents/cvs/Singh_CV.pdf. Dr. Singh is rated as a Distinguished provider by MediFind in the treatment of Usher Syndrome Type 2A. His top areas of expertise are Leber Congenital Amaurosis, Sorsby Fundus Dystrophy, Usher Syndrome Type 2A, and Doyne Honeycomb Retinal Dystrophy.
Greater Baltimore Medical Center Inc
Janet Sunness is an Ophthalmologist in Baltimore, Maryland. Dr. Sunness is rated as an Elite provider by MediFind in the treatment of Usher Syndrome Type 2A. Her top areas of expertise are Stargardt Macular Degeneration, Geographic Atrophy, Late-Onset Retinal Degeneration, and Age-Related Macular Degeneration (ARMD). Dr. Sunness is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Allergic ConjunctivitisDr. Hammer isDistinguished. Learn about Allergic Conjunctivitis.
- BlepharitisDr. Hammer isDistinguished. Learn about Blepharitis.
- CataractDr. Hammer isDistinguished. Learn about Cataract.
- Conjunctivitis (Pink Eye)Dr. Hammer isDistinguished. Learn about Conjunctivitis (Pink Eye).
- Dry Eye SyndromeDr. Hammer isDistinguished. Learn about Dry Eye Syndrome.
- Eyelid BumpDr. Hammer isDistinguished. Learn about Eyelid Bump.
- Advanced
- Adult-Onset Vitelliform Macular Dystrophy (AVMD)
- Age-Related Macular Degeneration (ARMD)
- AmblyopiaDr. Hammer isAdvanced. Learn about Amblyopia.
- ChalazionDr. Hammer isAdvanced. Learn about Chalazion.
- ChemosisDr. Hammer isAdvanced. Learn about Chemosis.
- Coats DiseaseDr. Hammer isAdvanced. Learn about Coats Disease.
- Experienced
- Acute Posterior Multifocal Placoid Pigment Epitheliopathy (APMPPE)
- Adie SyndromeDr. Hammer isExperienced. Learn about Adie Syndrome.
- AstigmatismDr. Hammer isExperienced. Learn about Astigmatism.
- Bell's PalsyDr. Hammer isExperienced. Learn about Bell's Palsy.
- Bietti Crystalline Dystrophy (BCD)Dr. Hammer isExperienced. Learn about Bietti Crystalline Dystrophy (BCD).
- Cataract RemovalDr. Hammer isExperienced. Learn about Cataract Removal.