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Accepting patients
Who is Dr. Chiang, Ophthalmologist in Plymouth Meeting, PA?
Dr. Allen Chiang, MD is an Ophthalmologist, who primarily practices in Plymouth Meeting, PA with 2 additional practice locations. He is board certified by the American Board of Ophthalmology. Dr. Chiang completed his residency at UCLA. Dr. Chiang is fluent in English and Mandarin, and is currently seeing new patients. Dr. Chiang’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chiang’s office.
What are Areas of Expertise for Dr. Chiang?
Dr. Allen Chiang, 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. Chiang empowers patients to confidently navigate their health journey, specializing in Diabetic Eye Disease/Retinopathy, Macular Disease/Degeneration, Retinal Disorders, or comprehensive wellness support. Serving the Plymouth Meeting/PA community, Dr. Chiang is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Chiang go to medical school and complete their residency?
Residency: UCLA
Is Dr. Chiang board certified in Ophthalmologist?
Yes, Dr. Allen Chiang, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Chiang speak?
Dr. Chiang and their clinical team can communicate with patients in the following languages:
English
Mandarin
What conditions does Dr. Chiang treat?
As a Ophthalmologist, Dr. Chiang 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. Chiang. 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:
- Wet Macular Degeneration
- Dry Macular Degeneration
- Macular Degeneration
- Exudative AMD
- Neovascular Macular Degeneration
- Wet AMD
- Age-related Macular Degeneration (Wet)
- Dry AMD
- Atrophic Macular Degeneration
- Age-related Macular Degeneration (Dry)
- Nonexudative AMD
ICD-10 Codes:
- H353231: Exudative age-related macular degeneration, bilateral, with active choroidal neovascularization
- H353221: Exudative age-related macular degeneration, left eye, with active choroidal neovascularization
- H353112: Nonexudative age-related macular degeneration, right eye, intermediate dry stage
- H353132: Nonexudative age-related macular degeneration, bilateral, intermediate dry stage
- H353122: Nonexudative age-related macular degeneration, left eye, intermediate dry stage
- H353211: Exudative age-related macular degeneration, right eye, with active choroidal neovascularization
Also known as:
- Aging of the eye's gel
- Bleeding in the eye's gel
- Strands and floaters in the eye's gel
- Eye Disease
- Vitreous Detachment
- Vitreous syneresis
- Eye gel breakdown
- Vitreous aging
- Eye bleeding
- Blood in the vitreous
- Ocular hemorrhage
- Eye floaters
- Vitreous opacities
- Vitreous membranes
ICD-10 Codes:
- H43813: Vitreous degeneration, bilateral
- H4312: Vitreous hemorrhage, left eye
- H43393: Other vitreous opacities, bilateral
- H43811: Vitreous degeneration, right eye
- H4311: Vitreous hemorrhage, right eye
Also known as:
- Long-Term Insulin Use
- Diabetes Medicines
- Chronic insulin therapy
- Ongoing insulin treatment
- Insulin for diabetes
ICD-10 Codes:
- Z794: Long term (current) use of insulin
Also known as:
- Macular Pucker
- Blocked Central Retinal Vein
- High Blood Pressure Eye Damage
- Retinal Disorder
- Epiretinal Membrane
- Cellophane Maculopathy
- Macular Wrinkle
- Retinal Scar
- Macular Fibrosis
- Wrinkled Retina
- Central Retinal Vein Occlusion
- Eye Stroke
- CRVO
- Hypertensive Retinopathy
- Eye Damage from Hypertension
- High Blood Pressure Retinopathy
ICD-10 Codes:
- H35371: Puckering of macula, right eye
- H35373: Puckering of macula, bilateral
- H35372: Puckering of macula, left eye
- H348120: Central retinal vein occlusion, left eye, with macular edema
- H35033: Hypertensive retinopathy, bilateral
Also known as:
- Type 2 Diabetes with Advanced Diabetic Eye Disease and Macular Swelling (Both Eyes)
- Type 2 Diabetes with Severe Diabetic Eye Disease and Macular Swelling (Both Eyes)
- Type 2 Diabetes with Diabetic Retinopathy
- Diabetes Type 2
- Diabetic Eye Problems
- Proliferative Diabetic Retinopathy with Macular Edema Bilateral
- Advanced Retina Damage Both Eyes with Macular Swelling
- Diabetic Macular Edema Both Eyes
- Severe Nonproliferative Diabetic Retinopathy with Macular Edema Bilateral
- Diabetic Eye Disease
- Diabetic Retinal Disease
- Diabetes Mellitus Eye Complications
ICD-10 Codes:
- E113513: Type 2 diabetes mellitus with proliferative diabetic retinopathy with macular edema, bilateral
- E113413: Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, bilateral
- E113592: Type 2 diabetes mellitus with proliferative diabetic retinopathy without macular edema, left eye
Which procedures does Dr. Chiang perform as a Ophthalmologist?
As a Ophthalmologist, procedures performed by an Dr. Allen Chiang 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. Chiang's office.
Does Dr. Chiang accept my insurance?
Dr. Chiang accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chiang accept in Plymouth Meeting, PA?
Dr. Chiang in Plymouth Meeting, PA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Health Partners Plans
Highmark Inc.
Medicare
MedStar Health
Spectrum
UnitedHealthcare
View All Insurances
Where is Dr. Chiang's office located?
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
Doctor’s Choice - Last 5 Years
Among the most nominated for the Castle Connolly Top Doctor recognition in the last 5 years
What is Dr. Chiang's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chiang's National Provider Identifier (NPI) number is 1326212960.
What common questions do patients ask about Dr. Chiang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chiang
What is Dr. Allen Chiang's specialty?
Dr. Chiang is a Ophthalmologist near Plymouth Meeting, PA. 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. Chiang to book an appointment today.
Is this Dr. Allen Chiang affiliated with a ranked Castle Connolly Top Hospital?
No, Chiang is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Wills Eye 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 Allen Chiang accepting new patients in Plymouth Meeting, PA?
Yes, Dr. Allen Chiang is accepting new patients at this time.
Does Dr. Allen Chiang offer online booking?
Please contact Dr. Chiang's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Allen Chiang?
Please contact Dr. Chiang's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Allen Chiang have?
Dr. Allen Chiang is certified by the American Board of Ophthalmology.
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