Dr. Sylvia L. Chang | Rancho Cucamonga, CA | Ophthalmologist

.about .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Dr. Sylvia Chang treats cataracts and glaucoma, and performs intraocular lens implants and cataract surgery. She practices ophthalmology and internal medicine and is affiliated with Chino Valley Medical Center. Dr. Chang earned her medical degree from Wright State University Boonshoft School of Medicine and sees patients across several locations in California, including Rancho Cucamonga, Chino, Montebello, and Monrovia. Patients on Vitals rate Dr. Chang 4.69 out of 5.

Overview based on verified provider data

accepting new patients
4.7

13 Ratings
9 years of experience
Wright State University Boonshoft School Of Medicine
13 written reviews
2 specialties
1 area of expertise
1 hospital affiliation
7 office locations
Female

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Chang's Ratings and Reviews

4.7

13 Ratings with 13 written Reviews

Average Wait Time 18 Minutes

How was your appointment with
Dr. Chang?

Patients’ Perspective

Gave an accurate diagnosis: (11) Did WellNeeds Improvement (0)
Had a good bedside manner: (11) Did WellNeeds Improvement (0)
Spent time with me: (10) Did WellNeeds Improvement (0)
Provided follow-up after the visit: (8) Did WellNeeds Improvement (1)
Flexible scheduling: (9) Did WellNeeds Improvement (0)
Saw me in a timely manner: (3) Did WellNeeds Improvement (0)
Staff was courteous: (5) Did WellNeeds Improvement (0)

Patients frequently praise Dr. Sylvia Lou Chang for her thoroughness, care, and professionalism, highlighting her ability to listen, provide clear explanations, and make them feel comfortable and valued during consultations. Many appreciate her friendly and knowledgeable demeanor, as well as her dedication to addressing questions and concerns with patience. However, a negative feedback theme includes perceived rudeness and dissatisfaction with postoperative care, as some patients felt their issues were not adequately addressed, leading to frustration and seeking alternative care.

AI-generated from the text of patient reviews

13 ratings & reviews

Sort:

Showing 1 to 10 of 13 reviews

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Dr. Chang is very diligent on what she is doing. I highly recommend her to other patients. Thank you Dr. Chang

Did Well

Gave an accurate diagnosis
Had a good bedside manner

Needs Improvement

August 27th, 2026

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

I would readily recommend others to see Dr Sylvia Chang. Dr Chang is personable and caring; gives brief affirmative responses without needing to be asked first. We even talked about pickleball!

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

Needs Improvement

May 13th, 2026

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

My visit was very good Dr Chang answered all my questions and made me feel very confident and satisfied that my recovery is where it’s suppose to be

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

Needs Improvement

May 12th, 2026

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Dr. Chang spent time with me. Heard me out and talked through all options. I felt comfortable and like she cared.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Flexible scheduling
Staff was courteous

Needs Improvement

May 5th, 2026

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Very friendly, knowledgeable, patient, warm, kind.

April 28th, 2026

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Thorough, very knowledgeable. Provides information, answers questions, listens. Great customer service

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

Needs Improvement

April 28th, 2026

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Dr. Chang has operated on both of my cataracts. She is pleasant and kind. She takes the time to answer any questions.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Staff was courteous

Needs Improvement

April 25th, 2026

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

I would never recommend this dr, she was very rude with me and didn’t try to help me with my problems after a cataract surgery after 2 months I was really waiting for her to help me and now I have to wait another month to se a different doctor Not very happy because my eye is really bothering me very much

April 9th, 2026

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

Very professional & caring doctor. Awesome!

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

December 30th, 2025

.rating-and-reviews .noScriptHide .nojs-show,.truncated [data-rem],blockquote .truncated-text{ display: initial !important}.no-js-hide,.ellipsis { display: none; }.truncated:after {content: '' !important}

I have seeing Dr. Chang for a few years. She is always very thorough and answers all my questions.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

September 19th, 2025

California Eye Specialists Medical Group Inc

9170 Haven Ave Ste 102Rancho Cucamonga, CA 91730

Tel: (909) 440-1014

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

Chino Valley Medical Center

5451 Walnut AveChino, CA 91710

Tel: (909) 464-8600

Atlantis Eyecare Montebello

229 E Beverly BlvdMontebello, CA 90640

Tel: (562) 354-9522

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

Ontario Advanced Surgery Center

1211 W 6th StOntario, CA 91762

Tel: (909) 981-8755

Mon6:00 am - 5:00 pm

Tue6:00 am - 5:00 pm

Wed6:00 am - 5:00 pm

Thu6:00 am - 5:00 pm

Fri6:00 am - 5:00 pm

SatClosed

SunClosed

California Eye Specialists Medical Group Inc

855 W Foothill BlvdMonrovia, CA 91016

Tel: (626) 358-1080

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

Azul Vision

44651 Village Ct Ste 102Palm Desert, CA 92260

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

Optum Magan Covina Main

420 W Rowland StCovina, CA 91723

Tel: (626) 331-6411

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed


Dr. Sylvia Lou Chang	Dr. Jonathan Pirnazar, MD	Dr. Colin Bacorn, MD	Dr. Kyle M. Green, MD
Ophthalmology	Ophthalmology	Ophthalmology	Ophthalmology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.7 (13 Ratings)	4.8 (16 Ratings)	0 (0 Ratings)	0 (0 Ratings)
9 Years of Experience	31 Years of Experience
No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option
	Speaks English, Spanish	Speaks English	Speaks English
Rancho Cucamonga , CA	Plata , CA	El Centro , CA	El Centro , CA
Med School: Wright State University Boonshoft School Of Medicine	Med School: University Of Illinois At Chicago College Of Medicine	Med School: Washington University in St. Louis	Med School: Keck School of Medicine of USC
Current Profile	View Profile	View Profile	View Profile

Search for your insurance and plan

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Internal Medicine

Dr. Sylvia Lou Chang holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Medical School

Graduated from Wright State University Boonshoft School Of Medicine in 2017.

NPI Number

Dr. Chang's NPI number is 1053843458.

Sherri Lynn Johnson
Pediatrics
36 Years Exp | DIAMOND BAR, CA
(0)
Donna Marie Lien
Anesthesiology
12 Years Exp | Anaheim, CA
(0)
Stella P Wong
Pediatrics
29 Years Exp | Villa Park, CA
(0)
Charlie Chulwon Lee
Allergy & Immunology
| Riverside, CA
(0)
Neil Hemant Joshi
Diagnostic Radiology
6 Years Exp | Loma Linda, CA
(0)
Erin Katrina Ricketts
Public Health & General Preventive Medicine
8 Years Exp | San Diego, CA
(0)
Chul Lee
Allergy & Immunology
13 Years Exp | Riverside, CA
(0)
Karn Danpongchareon
Anesthesiology
32 Years Exp | Alta Loma, CA
(0)
Brian Douglas Bogucki
Pediatrics
28 Years Exp | Anaheim, CA
(0)
Warit Chirachevin
Diagnostic Radiology
4 Years Exp | Loma Linda, CA
(0)

Is Dr. Sylvia Chang accepting new patients?: Dr. Sylvia Chang is accepting new patients on Vitals. View Dr. Sylvia Chang's profile on Vitals to make an appointment.
Does Dr. Sylvia Chang accept my insurance?: You can see the insurance plans that Dr. Sylvia Chang accepts on their Vitals profile.
Which hospitals is Dr. Sylvia Chang affiliated with?: Dr. Sylvia Chang is affiliated with Chino Valley Medical Center.
Where is Dr. Sylvia Chang's office located?: Dr. Sylvia Chang's office is located at 9170 Haven Ave Ste 102, Rancho Cucamonga, CA, 91730.
Does Dr. Sylvia Chang accept virtual/telehealth appointments?: Dr. Sylvia Chang has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

This provider profile is built using data from:

NPPES NPI Registry
State medical licensing boards
Healthcare system and provider network data

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.

Copyright © 2026 Vitals Consumer Services, LLC. US Patent No. 8, 694, 441. All Rights Reserved.
As more fully set forth in this website's terms of use . (1) nothing contained on or offered by or through this website should be construed as medical advice and should not be relied upon for medical diagnosis or treatment. Vitals Consumer Services, LLC ("Vitals"). the provider of this website, does not recommend or endorse any particular healthcare provider whose information or ratings appear on this website; and (2) Vitals has granted you a limited license to access and use this website for your own noncommercial use. You are not permitted to copy, reproduce, distribute, transmit, mirror, frame, scrape, extract, wrap, create derivative works of, reverse engineer, decompile or disassemble any part or aspect of this website.