
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sun, Ophthalmologist in New York, NY?
Castle Connolly Top Doctor
Castle Connolly Top Doctors are doctor-nominated and selected by a physician-led research team.
What are Areas of Expertise for Dr. Sun?
Dr. Grace Sun, MD is a highly-rated, board-certified Ophthalmologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Sun empowers patients to confidently navigate their health journey, specializing in Cataract Surgery, Cornea & External Eye Disease, Glaucoma, LASIK-Refractive Surgery, and comprehensive wellness support. Serving the New York, NY community, Dr. Sun is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Sun go to medical school and complete their residency?
Residency: Presbyterian Hospital Of New York | Cornell Univ. Medical College
Is Dr. Sun board certified as an Ophthalmologist?
Yes, Dr. Grace Sun, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Sun speak?
Dr. Sun and their clinical team can communicate with patients in the following languages:
- Chinese
- English
- Spanish
What conditions does an Ophthalmologist like Dr. Sun typically treat?
As an Ophthalmologist, Dr. Sun 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. Sun. 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
- Glaucoma
- Early Glaucoma
- Borderline Glaucoma
- Risk of Glaucoma
ICD-10 Codes:
- H40003: Preglaucoma, unspecified, bilateral
Also known as:
- Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
ICD-10 Codes:
- H2513: Age-related nuclear cataract, bilateral
- H2511: Age-related nuclear cataract, right eye
Also known as:
- Dry Eyes
- Tears
- Dry eye syndrome
- Keratoconjunctivitis sicca
- Ocular dryness
ICD-10 Codes:
- H04123: Dry eye syndrome of bilateral lacrimal glands
Also known as:
- Strands and floaters in the eye's gel
- Eye Disease
- Eye floaters
- Vitreous opacities
- Vitreous membranes
ICD-10 Codes:
- H43393: Other vitreous opacities, bilateral
Also known as:
- Optic Disc Disorder
- Optic Nerve Disorder
- Optic nerve head anomaly
- Optic disc problem
- Disorder of the optic nerve head
ICD-10 Codes:
- H47393: Other disorders of optic disc, bilateral
Also known as:
- Other Retinal Disorder
- Retinal Disorder
- Various Retinal Conditions
- Uncommon Retinal Diseases
- Miscellaneous Retinal Problems
ICD-10 Codes:
- H3589: Other specified retinal disorders
What procedures does an Ophthalmologist like Dr. Sun typically perform?
As an Ophthalmologist, Dr. Sun 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. Sun. 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:
- Laser Surgery for Secondary Cataract
- Laser Trabeculoplasty
- YAG Laser Capsulotomy
- Posterior Capsulotomy
- Secondary Cataract Removal
- Laser Eye Surgery
- Glaucoma laser surgery
- Laser eye treatment for glaucoma
- Trabeculoplasty
CPT Codes:
- 66821: Discission of secondary membranous cataract (opacified posterior lens capsule and/or anterior hyaloid); laser surgery (eg, YAG laser) (1 or more stages)
- 65855: Trabeculoplasty by laser surgery
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
Does Dr. Sun accept my insurance?
Dr. Sun accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sun accept in New York, NY?
Dr. Sun in New York, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
EmblemHealth
Healthfirst New York
Medicare
Mutual of Omaha
National Benefit Fund
Service Employees International Union (SEIU)
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Sun's office located?

Weill Cornell Medicine Ophthalmology
156 William Street
12th Floor
New York, NY 10038
What hospitals are Dr. Sun affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Sun has admitting privileges at the following hospitals:
What is Dr. Sun's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sun's National Provider Identifier (NPI) number is 1134387756.
What common questions do patients ask about Dr. Sun?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sun
