Accepting patients
Who is Dr. Kasper, Ophthalmologist in Smithtown, NY?
Dr. William Kasper, MD is an Ophthalmologist, who primarily practices in Smithtown, NY with 2 additional practice locations. He is board certified by the American Board of Ophthalmology. Dr. Kasper completed his residency at Nassau County Medical Center. He is a member of the Long Island Ophthalmological Society, Nassau Academy of Medicine Ophthalmology Section, and Winthrop University Hospital. Dr. Kasper is fluent in English, Flemish, French, Greek, Portuguese, and Spanish, and is currently seeing new patients. Dr. Kasper’s practice accepts Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kasper’s office at (631) 265-8780.
What are Areas of Expertise for Dr. Kasper?
Dr. William Kasper, MD is a highly-rated, board-certified Ophthalmologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Kasper empowers patients to confidently navigate their health journey, specializing in Cataract Surgery, Cornea & External Eye Disease, Glaucoma, or comprehensive wellness support. Serving the Smithtown/NY community, Dr. Kasper is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Kasper go to medical school and complete their residency?
Residency: Nassau County Medical Center
Medical School: Catholic University of Louvain Faculty of Medicine | Brooklyn College
Is Dr. Kasper board certified in Ophthalmologist?
Yes, Dr. William Kasper, MD is board certified by the American Board of Ophthalmology since 1974
What languages does Dr. Kasper speak?
Dr. Kasper and their clinical team can communicate with patients in the following languages:
English
Flemish
French
Greek
Portuguese
Spanish
What conditions does Dr. Kasper treat?
As a Ophthalmologist, Dr. Kasper diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Kasper. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Age-Related Farsightedness
- Refractive Error
- Nearsightedness
- Astigmatism
- Refractive Errors
- Eye Movement Disorder
- Presbyopia
- Aging Eyes
- Difficulty Reading Up Close
- Vision problem
- Focusing problem
- Blurred vision
- Myopia
- Difficulty Seeing Far Away
- Blurry Distance Vision
- Irregular Cornea
- Blurred Vision
- Distorted Vision
ICD-10 Codes:
- H524: Presbyopia
- H527: Unspecified disorder of refraction
- H5213: Myopia, bilateral
- H52223: Regular astigmatism, bilateral
Also known as:
- Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
ICD-10 Codes:
- H2513: Age-related nuclear cataract, bilateral
- H25013: Cortical age-related cataract, bilateral
Also known as:
- Baggy Eyelids
- Chalazion
- Eyelid Disorder
- Blepharochalasis
- Swollen Eyelids
- Loose Eyelid Skin
- Meibomian cyst
- Eyelid cyst
- Stye-like bump
ICD-10 Codes:
- H0231: Blepharochalasis right upper eyelid
- H0014: Chalazion left upper eyelid
- H0015: Chalazion left lower eyelid
Also known as:
- Pinguecula
- Eye Disease
- Eye Bump
- Yellow Eye Spot
- Conjunctival Growth
ICD-10 Codes:
- H11153: Pinguecula, bilateral
Also known as:
- Pink Eye
- Conjunctivitis
- Red Eye
- Eye Infection
- Sore Eye
- Allergic Pink Eye
- Allergic Conjunctivitis
- Eye Inflammation
ICD-10 Codes:
- H109: Unspecified conjunctivitis
- H1045: Other chronic allergic conjunctivitis
- H1089: Other conjunctivitis
Also known as:
- Blepharitis
- Eyelid Disorder
- Inflamed eyelids
- Eyelid margin inflammation
- Crusty eyelids
- Eyelid irritation
ICD-10 Codes:
- H01004: Unspecified blepharitis left upper eyelid
- H01001: Unspecified blepharitis right upper eyelid
Also known as:
- Dry Eye Syndrome
- Corneal Disorder
- Dry Eye Disease
- Chronic Dry Eye
- Keratoconjunctivitis Sicca
ICD-10 Codes:
- H16223: Keratoconjunctivitis sicca, not specified as Sjogren's, bilateral
Also known as:
- Borderline Open-Angle Glaucoma
- Glaucoma
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
ICD-10 Codes:
- H40013: Open angle with borderline findings, low risk, bilateral
Also known as:
- Intraocular Lens Implant
- Cataract
- Refractive Errors
- IOL Implant
- Artificial Eye Lens
- Cataract Lens Implant
ICD-10 Codes:
- Z961: Presence of intraocular lens
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Arcus senilis
- Corneal Disorder
- Corneal arcus
- Gerontoxon
- Arcus lipoides
ICD-10 Codes:
- H18413: Arcus senilis, bilateral
Which procedures does Dr. Kasper perform as a Ophthalmologist?
As a Ophthalmologist, procedures performed by an Dr. William Kasper may include:
- Cataract Removal
- Corneal Specialist Consultation
- Corneal Specialist Follow Up
- Dark Adaptometry
- Diabetes Care - Eye Exam
- Electro-oculography (EOG)
- Electroretinography (ERG)
- Eye Emergency Visit
For detailed information, please contact Dr. Kasper's office.
Does Dr. Kasper accept my insurance?
Dr. Kasper accepts most major insurance plans. Important: Please call our office at (631) 265-8780 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kasper accept in Smithtown, NY?
Dr. Kasper in Smithtown, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centers Plan for Healthy Living
CVS Health (formerly Aetna)
Elderplan
Elevance Health Inc. (formerly Anthem)
Express Scripts
Healthfirst
Medicare
Service Employees International Union (SEIU)
UnitedHealthcare
View All Insurances
Where is Dr. Kasper's office located?
Dr. William Kasper's Primary Practice
260 E Middle Country Rd Ste 201
Smithtown, NY 11787
(631) 265-8780
Dr. William Kasper's Practice 3
520 Franklin Ave Ste L9
Garden City, NY 11530
(631) 265-8780
Ratings & Reviews
5.0
Overall rating
Based on 23 reviews
Office Experience
94% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
98% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
60% of patients were satisfied with the wait time
Appointment Booking
99% of patients found it easy to book an appointment
Patients give Dr. William Kasper an Excellent overall experience rating of 5 out of 5 stars. Dr. Kasper has been rated and reviewed by 23 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Kasper, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsRecognitions
Memberships & Associations
Long Island Ophthalmological Society
President
Nassau Academy of Medicine Ophthalmology Section
President
Winthrop University Hospital
Emeritus Acting Chairman of the Department of Ophthalmology
What is Dr. Kasper's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kasper's National Provider Identifier (NPI) number is 1851307987.
What common questions do patients ask about Dr. Kasper?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kasper
What is Dr. William Kasper's specialty?
Dr. Kasper is a Ophthalmologist near Smithtown, NY. An ophthalmologist possesses the knowledge and professional skills required to deliver comprehensive eye and vision care. These medical doctors are trained to diagnose, monitor, and treat all ocular and visual disorders, whether through medical or surgical interventions. Their expertise encompasses a wide range of issues affecting the eye and its structures, including the eyelids, orbit, and visual pathways. Additionally, ophthalmologists prescribe vision services, such as glasses and contact lenses, to help patients achieve optimal visual health. Contact Dr. Kasper to book an appointment today.
Is this Dr. William Kasper affiliated with a ranked Castle Connolly Top Hospital?
No, Kasper is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Ophthalmologist?
Explore Ophthalmologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is William Kasper accepting new patients in Smithtown, NY?
Yes, Dr. William Kasper is accepting new patients at this time.
Does Dr. William Kasper offer online booking?
Please contact Dr. Kasper's office at (631) 265-8780 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Kasper?
Please contact Dr. Kasper's office at (631) 265-8780 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. William Kasper have?
Dr. William Kasper is certified by the American Board of Ophthalmology.
Other Ophthalmologist Near Smithtown, NY
Accepting patientsDr. Leon Rafailov, MD is an Ophthalmic Plastic and Reconstructive Surgeon, who primarily practices in Smithtown, NY with 2 additional practice locations. He is board certified.
Smithtown, NY
Accepting patientsDr. Alexander Hatsis, MD is an Ophthalmologist, who primarily practices in Smithtown, NY with 2 additional practice locations. He has been practicing for over 43 years and is board certified by the American Board of Ophthalmology.
Smithtown, NY
ZZ
Retina Specialist
Accepting patientsDr. Zimei Zhou, MD, PHD is a Retina Specialist, who primarily practices in Smithtown, NY with 2 additional practice locations. She is board certified.
Smithtown, NY