NS
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Siu, Ophthalmologist in East Setauket, NY?
Dr. Nga Yan Siu, DO is an Ophthalmologist, who primarily practices in East Setauket, NY with 2 additional practice locations. Dr. Siu is fluent in English and Chinese, and is currently seeing new patients. Dr. Siu’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Siu’s office at (201) 374-8900.
What languages does Dr. Siu speak?
Dr. Siu and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does an Ophthalmologist like Dr. Siu typically treat?
As an Ophthalmologist, Dr. Siu 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. Siu. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Preglaucoma
- Narrow Angle Glaucoma Risk
- Ocular Hypertension
- Primary Open-Angle Glaucoma
- Borderline Open-Angle Glaucoma
- Glaucoma
- Early Glaucoma
- Borderline Glaucoma
- Risk of Glaucoma
- Anatomical Narrow Angle
- Angle-Closure Glaucoma Risk
- Eye angle problem
- High Eye Pressure
- Elevated Intraocular Pressure
- Eye pressure problem
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
- Chronic Simple Glaucoma
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
ICD-10 Codes:
- H40003: Preglaucoma, unspecified, bilateral
- H40033: Anatomical narrow angle, bilateral
- H40053: Ocular hypertension, bilateral
- H401133: Primary open-angle glaucoma, bilateral, severe stage
- H401134: Primary open-angle glaucoma, bilateral, indeterminate stage
- H401123: Primary open-angle glaucoma, left eye, severe stage
- H401131: Primary open-angle glaucoma, bilateral, mild stage
- H401113: Primary open-angle glaucoma, right eye, severe stage
- H40023: Open angle with borderline findings, high risk, bilateral
- H40013: Open angle with borderline findings, low risk, bilateral
What procedures does an Ophthalmologist like Dr. Siu typically perform?
As an Ophthalmologist, Dr. Siu performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Siu. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Cataract Removal with Lens Implant
- Extracapsular cataract extraction
- Phacoemulsification
- IOL implantation
CPT Codes:
- 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); without endoscopic cyclophotocoagulation
Also known as:
- Complex Cataract Removal with Lens Implant
- Advanced Cataract Surgery
- Phacoemulsification with IOL
- Complex Extracapsular Cataract Extraction
CPT Codes:
- 66982: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1-stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification), complex, requiring devices or techniques not generally used in routine cataract surgery (eg, iris expansion device, suture support for intraocular lens, or primary posterior capsulorrhexis) or performed on patients in the amblyogenic developmental stage; without endoscopic cyclophotocoagulation
Also known as:
- Goniotomy (Glaucoma Surgery)
- Goniotomy Procedure
- Angle-Opening Glaucoma Surgery
- Congenital Glaucoma Surgery
CPT Codes:
- 65820: Goniotomy
Also known as:
- Laser Eye Surgery for Glaucoma
- Iridotomy
- Iridectomy
- Laser Glaucoma Treatment
CPT Codes:
- 66761: Iridotomy/iridectomy by laser surgery (eg, for glaucoma) (per session)
Does Dr. Siu accept my insurance?
Dr. Siu accepts most major insurance plans. Important: Please call our office at (201) 374-8900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Siu accept in East Setauket, NY?
Dr. Siu in East Setauket, 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
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Federal government of the United States
Healthfirst New York
Medicare
National Benefit Fund
Service Employees International Union (SEIU)
UnitedHealth Group
View All Insurances
Where is Dr. Siu's office located?
Dr. Nga Yan Siu's Primary Practice
33 Research Way
East Setauket, NY 11733
(201) 374-8900
What is Dr. Siu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Siu's National Provider Identifier (NPI) number is 1902284169.
What common questions do patients ask about Dr. Siu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Siu
What is Dr. Nga Yan Siu's specialty?
Dr. Siu is a Ophthalmologist near East Setauket, NY.
What does an Ophthalmologist do?
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.
Is this Dr. Nga Yan Siu affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Siu is affiliated with Stony Brook University Hospital, Stony Brook Southampton Hospital, Englewood Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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
When to see an Ophthalmologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Ophthalmologist. Explore 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 Nga Yan Siu accepting new patients in East Setauket, NY?
Yes, Dr. Nga Yan Siu is accepting new patients at this time.
Does Dr. Nga Yan Siu offer online booking?
Please contact Dr. Siu's office at (201) 374-8900 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Nga Yan Siu?
Please contact Dr. Siu's office at (201) 374-8900 for information regarding telehealth appointment availability or for scheduling assistance.
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