48 Years of Experience
Accepting patients
Who is Dr. Chang, Ophthalmologist in Los Altos, CA?
Dr. David Chang, MD is an Ophthalmologist, who primarily practices in Los Altos, CA. He has been practicing for over 48 years and is board certified. Dr. Chang graduated from Harvard Medical School, Boston, Massachusetts and completed his residency at Moffitt Hosp Univ Of Ca, Ophthalmology; Santa Clara Valley Med Ctr, Flexible Or Transitional Year. Dr. Chang is fluent in English and Mandarin, and is currently seeing new patients. Dr. Chang’s practice accepts Medicare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (650) 948-9123.
What are Areas of Expertise for Dr. Chang?
Dr. David Chang, 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. Chang empowers patients to confidently navigate their health journey, specializing in Cataract Surgery, Intraocular Lens Replacement, and comprehensive wellness support. Serving the Los Altos, CA community, Dr. Chang is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Chang go to medical school and complete their residency?
Residency: Moffitt Hosp Univ Of Ca, Ophthalmology; Santa Clara Valley Med Ctr, Flexible Or Transitional Year | University Calif | Cooper Hospital-University Medical Center Program
Medical School: Harvard Medical School, Boston, Massachusetts | Harvard Medical School, Boston, Massachusetts
Is Dr. Chang board certified as an Ophthalmologist?
Yes, Dr. David 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:
English
Mandarin
What conditions does an Ophthalmologist like Dr. Chang typically treat?
As an 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Cataract
- Cortical Age-Related Cataract
- Other Secondary Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
- Cortical Cataract
- Outer Lens Clouding
- Cataract from another condition
- Complicated cataract
- Acquired cataract
ICD-10 Codes:
- H2512: Age-related nuclear cataract, left eye
- H2511: Age-related nuclear cataract, right eye
- H2513: Age-related nuclear cataract, bilateral
- H25012: Cortical age-related cataract, left eye
- H25011: Cortical age-related cataract, right eye
- H25013: Cortical age-related cataract, bilateral
- H25041: Posterior subcapsular polar age-related cataract, right eye
- H26491: Other secondary cataract, right eye
What procedures does an Ophthalmologist like Dr. Chang typically perform?
As an Ophthalmologist, Dr. Chang 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. 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. 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
- Cataract Surgery with Glaucoma Drainage Device
- Intraocular Lens Repositioning
- YAG Laser Capsulotomy
- Posterior Capsulotomy
- Secondary Cataract Removal
- Laser Eye Surgery
- Combined Cataract and Glaucoma Surgery
- Phacoemulsification with Aqueous Drainage Device
- IOL Insertion with Glaucoma Stent
- IOL repositioning
- Lens implant adjustment
- Eye lens surgery
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)
- 66991: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); with insertion of intraocular (eg, trabecular meshwork, supraciliary, suprachoroidal) anterior segment aqueous drainage device, without extraocular reservoir, internal approach, one or more
- 66825: Repositioning of intraocular lens prosthesis, requiring an incision (separate procedure)
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:
- Intraocular Lens Exchange
- IOL Exchange
- Cataract Lens Replacement (Secondary)
- Replacement of Eye Implant
CPT Codes:
- 66986: Exchange of intraocular lens
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (650) 948-9123 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in Los Altos, CA?
Dr. Chang in Los Altos, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
All Other Third Party
Blue Shield of California
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Medicare
Sutter Health
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Chang's office located?
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 1316966138.
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. David Chang's specialty?
Dr. Chang is a Ophthalmologist near Los Altos, CA.
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. David Chang affiliated with a ranked Castle Connolly Top Hospital?
No, Chang is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: El Camino Health - Mountain View 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
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 David Chang accepting new patients in Los Altos, CA?
Yes, Dr. David Chang is accepting new patients at this time.
Does Dr. David Chang offer online booking?
Please contact Dr. Chang's office at (650) 948-9123 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with David Chang?
Please contact Dr. Chang's office at (650) 948-9123 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. David Chang have?
Dr. David Chang is certified by the American Board of Ophthalmology.
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