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Ophthalmologists
Coverage
Medicare + 9 Networks
Telehealth
Not Available
About Dr. Chia-Wen A. Chang
Background and practice information
Dr. Chia-Wen A. Chang is an ophthalmologist with over 14 years of clinical experience serving patients in the Visalia, CA area. She completed her medical training at Medical College Of Wisconsin and has been in practice since 2012. She currently practices at Eye Surgical And Medical Associates, Inc..
Dr. Chia-Wen A. Chang's clinical practice focuses on treating patients with glaucoma and high eye pressure, eye inflammation, glaucoma, as well as performing cataract removal procedures.
Dr. Chia-Wen A. Chang has received a strong quality rating of 78.2 out of 100 from Medicare's quality assessment program, reflecting a commitment to evidence-based care. Dr. Chia-Wen A. Chang is in-network with 9 insurance providers, including Aetna, Anthem Vision, Blue Shield of California, and 6 more. Patients are encouraged to verify coverage with her office before scheduling an appointment.
At a Glance
Education
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Claim this profilePractice Locations
1 location
Eye Surgical And Medical Associates, Inc.
Primary5021 W Noble Ave
Visalia, CA 93277
(559) 627-9393
Affiliations
Hospital and facility affiliations
Treatment & Experience
Clinical practice and procedure experience for Dr. Chia-Wen A. Chang
Dr. Chia-Wen Chang is an experienced ophthalmologist in Visalia, CA with a demonstrated track record in cataract removal procedures. Based on verified procedure data reported to the Centers for Medicare & Medicaid Services (CMS), Dr. Chang has significant surgical experience across key procedures.
Cataract surgery
Dr. Chang has performed 285 cataract removal procedures, placing among the top 11% of surgeons nationwide for this procedure. This very high volume of experience is a meaningful indicator when choosing a cataract surgeon in Visalia, CA, as medical research has consistently linked higher procedure volumes with improved patient outcomes and lower complication rates.
Services & Procedures
Dr. Chia-Wen A. Chang's clinical practice encompasses office visits, eye care. Based on Medicare utilization data, Dr. Chia-Wen A. Chang has provided a substantial volume of services, reflecting an active and established practice in ophthalmology.
Office Visits
261 servicesDr. Chia-Wen A. Chang provides patient consultations ranging from routine follow-ups to comprehensive evaluations, including follow-up visit and new patient visit. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 55% below the billed amount.
Eye Care
1,433 servicesDr. Chia-Wen A. Chang provides comprehensive eye care including examinations, imaging, and disease monitoring, including visual field test, comprehensive eye exam, and other related services. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 80% below the billed amount.
Treatment Approach
Dr. Chia-Wen A. Chang's treatment approach includes prescribing Latanoprost, Dorzolamide Hcl/timolol Maleat (Dorzolamide-timolol), Prednisolone Acetate for her patients. These medications are commonly used for treating glaucoma and high eye pressure, eye inflammation, glaucoma. She prescribing profile reflects experience across a wide range of treatments, addressing multiple aspects of patient care within her specialty. Dr. Chia-Wen A. Chang has treated a significant number of Medicare patients, demonstrating an established practice in this area.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Chia-Wen A. Chang accepts 47 plans from 9 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Safety
CMS quality performance and patient safety measures
High Performing
CMS Quality Score · Out of 100
Dr. Chang received a quality score of 78.2 out of 100 from the Centers for Medicare & Medicaid Services (CMS), which evaluates ophthalmologists on clinical quality, patient safety, and use of health information technology. A score above 75 is considered high-performing by CMS standards. This score reflects Dr. Chang's commitment to maintaining strong standards of care for patients in Visalia, CA.
Clinical Quality
100.0/100Measures the quality of care provided based on clinical outcomes and patient safety
Cost Efficiency
19.6/100Evaluates how efficiently healthcare resources are used while maintaining quality
Care Improvement
40.0/40Reflects participation in activities that improve clinical practice and patient engagement
Patient Safety Measures
Dr. Chang's practice in Visalia, CA demonstrates a strong focus on patient safety and preventive care. According to CMS quality data, Dr. Chang earned the highest possible 5-star rating in fall risk screening across 1,236 patients evaluated. Across all measured areas, Dr. Chang achieved 4 stars or higher in 4 quality categories, reflecting consistently high standards of care.
Source: CMS Merit-based Incentive Payment System
Financial Transparency
Industry payment disclosures
Pharmaceutical and medical device companies disclosed $522 in payments to Dr. Chia-Wen A. Chang in 2024, primarily from Glaukos Corporation for food and beverage. These disclosures are required by federal law under the Physician Payments Sunshine Act.
Top Paying Companies
Source: CMS Open Payments, 2024.
Patient Reviews
Reviews and ratings from patients
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About Ophthalmology
Specialty overview and common conditions
An ophthalmologist is a medical doctor who specializes in the comprehensive medical and surgical care of the eyes. Unlike optometrists who primarily provide vision care and prescribe glasses, ophthalmologists are physicians who diagnose and treat all eye diseases, perform eye surgery (cataract surge...
Common conditions treated by ophthalmology specialists:
- Cataracts
- Glaucoma
- Age-Related Macular Degeneration (AMD)
- Diabetic Retinopathy
Frequently Asked Questions
Common questions about Chia-Wen A. Chang
Does Dr. Chang accept Medicare?
Yes, Dr. Chang accepts Medicare assignment. Patients with Medicare coverage can see Dr. Chang and typically pay less out of pocket when using a provider who accepts Medicare assignment.
What insurance does Dr. Chang accept?
Dr. Chang is in-network with 9 insurance providers, including Aetna, Anthem Vision, Blue Shield of California, Cigna, Humana, and 4 more. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Chang's office before scheduling.
Does Dr. Chang offer telehealth or virtual appointments?
Dr. Chang does not currently list telehealth services. For virtual care options, contact the office directly or consider other ophthalmology providers in Visalia who offer telehealth.
What conditions does Dr. Chang treat?
As a ophthalmology specialist, Dr. Chang commonly treats conditions including cataracts, glaucoma, age-related macular degeneration (amd), diabetic retinopathy, dry eye disease, and other related health concerns. Contact the office to discuss your specific healthcare needs.
What medications does Dr. Chang commonly prescribe?
Based on Medicare prescribing data, Dr. Chang commonly prescribes medications including Latanoprost, Dorzolamide Hcl/Timolol Maleat, Prednisolone Acetate. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Chang during their consultation.
What is Dr. Chang's quality rating?
Dr. Chang has received a strong quality score of 78.2 out of 100 from the Centers for Medicare & Medicaid Services (CMS) through the Merit-based Incentive Payment System (MIPS). This score reflects performance across quality measures, promoting interoperability, improvement activities, and cost efficiency.
Where did Dr. Chang go to medical school?
Dr. Chang completed medical training at Medical College Of Wisconsin and has been practicing since 2012, bringing over 14 years of clinical experience.
Where is Dr. Chang's office located?
Dr. Chang practices at 5021 W NOBLE AVE, Visalia, CA 93277 at EYE SURGICAL AND MEDICAL ASSOCIATES, INC.. You can reach the office by calling (559) 627-9393.
How do I make an appointment with Dr. Chang?
To schedule an appointment with Dr. Chang, call the office at (559) 627-9393. New patients should have their insurance information and medical records ready when calling.
Data source: CMS National Provider Registry ·
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Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards