21 Years of Experience
Accepting patients
Who is Dr. Chang, Ophthalmologist in Pearl River, NY?
Dr. John Chang, MD is an Ophthalmologist, who primarily practices in Pearl River, NY with 1 additional practice location. He has been practicing for over 21 years and is board certified by the American Board of Ophthalmology. Dr. Chang graduated from Rutgers and completed his residency at UMDNJ. Dr. Chang is fluent in English, Chinese, Polish, and Russian, and is currently seeing new patients. Dr. Chang’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (845) 735-5666.
Where did Dr. Chang go to medical school and complete their residency?
Residency: UMDNJ
Medical School: Rutgers
Is Dr. Chang board certified in Ophthalmologist?
Yes, Dr. John Chang, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Chang speak?
Dr. Chang and their clinical team can communicate with patients in the following languages:
Chinese
English
Polish
Russian
What conditions does Dr. Chang treat?
As a Ophthalmologist, Dr. Chang 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. Chang. 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:
- Cataract
- Secondary Cataract
- Combined Age-Related Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
- After-Cataract
- Posterior Capsule Opacification
- PCO
- Mixed Type Cataract
- Multiple Cataract Types
ICD-10 Codes:
- H2513: Age-related nuclear cataract, bilateral
- H2511: Age-related nuclear cataract, right eye
- H2512: Age-related nuclear cataract, left eye
- H2640: Unspecified secondary cataract
- H25811: Combined forms of age-related cataract, right eye
- H25812: Combined forms of age-related cataract, left 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:
- Aging of the eye's gel
- Eye Disease
- Vitreous Detachment
- Vitreous syneresis
- Eye gel breakdown
- Vitreous aging
ICD-10 Codes:
- H43813: Vitreous degeneration, bilateral
- H43811: Vitreous degeneration, right eye
- H43812: Vitreous degeneration, left eye
Also known as:
- Dry Eye Syndrome
- Tears
- Dry Eyes
- Keratoconjunctivitis Sicca
- Ocular Dryness
- Chronic Dry Eye
ICD-10 Codes:
- H04122: Dry eye syndrome of left lacrimal gland
- H04121: Dry eye syndrome of right lacrimal gland
Also known as:
- Macular Pucker
- Peripheral Retinal Degeneration
- Intraretinal Microvascular Abnormality
- Retinal Disorder
- Retinal arterial macroaneurysm with supravalvular pulmonic stenosis
- Epiretinal Membrane
- Cellophane Maculopathy
- Macular Wrinkle
- Retinal Scar
- Retinal Thinning
- Peripheral Retinal Disease
- Eye Degeneration
- Retinal Microvascular Issues
- Abnormal Small Retinal Vessels
- Retinal Vascular Malformations
ICD-10 Codes:
- H35373: Puckering of macula, bilateral
- H3540: Unspecified peripheral retinal degeneration
- H3509: Other intraretinal microvascular abnormalities
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:
- Macular Drusen
- Macular Degeneration
- Retinal Drusen
- Yellow Spots on Retina
- Age-Related Macular Drusen
- Drusen in Eye
ICD-10 Codes:
- H35363: Drusen (degenerative) of macula, bilateral
Also known as:
- Other Refractive Error
- Eye Movement Disorder
- Unspecified Vision Problem
- Uncommon Refractive Error
- Vision Disorder
ICD-10 Codes:
- H526: Other disorders of refraction
Also known as:
- Chalazion on Right Upper Eyelid
- Chalazion
- Eyelid Disorder
- Right Upper Eyelid Cyst
- Meibomian Cyst on Upper Lid
- Blocked Gland Right Upper Eyelid
- Meibomian cyst
- Eyelid cyst
- Stye-like bump
ICD-10 Codes:
- H0011: Chalazion right upper eyelid
- H0014: Chalazion left upper eyelid
Which procedures does Dr. Chang perform as a Ophthalmologist?
As a Ophthalmologist, procedures performed by an Dr. John Chang 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. Chang's office.
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (845) 735-5666 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in Pearl River, NY?
Dr. Chang in Pearl River, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene
EmblemHealth
Express Scripts
Humana
Medicaid
Medicare
MVP Healthcare
National Benefit Fund
Service Employees International Union (SEIU)
UnitedHealthcare
View All Insurances
Where is Dr. Chang's office located?
Dr. John Chang's Primary Practice
169 N Middletown Rd
Pearl River, NY 10965
(845) 735-5666
What is Dr. Chang's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chang's National Provider Identifier (NPI) number is 1073516027.
What common questions do patients ask about Dr. Chang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chang
What is Dr. John Chang's specialty?
Dr. Chang is a Ophthalmologist near Pearl River, 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. Chang to book an appointment today.
Is this Dr. John Chang affiliated with a ranked Castle Connolly Top Hospital?
No, Chang 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 John Chang accepting new patients in Pearl River, NY?
Yes, Dr. John Chang is accepting new patients at this time.
Does Dr. John Chang offer online booking?
Please contact Dr. Chang's office at (845) 735-5666 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Chang?
Please contact Dr. Chang's office at (845) 735-5666 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Chang have?
Dr. John Chang is certified by the American Board of Ophthalmology.
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