Dr. Cassandra Chow, OD, San Mateo, CA | Optometrist

What patients are saying

Overall rating

4.88

Average wait time

5.00

Bedside manner

4.86

“So professional, educated, state-of-the-art facility and equipment. Very reasonable prices. Highly, highly recommend.”

Vanessa M.April 16, 2026

“Friendly front desk people, minimal waiting time, all my questions were answered, overall great experience.”

Larissa J.April 12, 2026

About Dr. Cassandra Chow

Dr. Cassandra Chow is an optometrist who offers in-person services at 20/20 Optometry in San Mateo, CA. Dr. Chow holds a doctoral degree in optometry from the SUNY College of Optometry. Dr. Chow knew she wanted to help others see and perform their best when she got fitted for contacts in high school, and she was able to run cross-country and play badminton more comfortably. She enjoys providing primary eye care with an interest in dry eye disease and contact lens fittings.

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In-network insurances

99% of patients have successfully booked with these insurances

Aetna

BlueCross BlueShield

Cigna

EyeMed

UnitedHealthcare

VSP

200+ more in-network plans

Popular visit reasons

Computer Vision Syndrome

Contact Lenses

Double Vision

Eye Infection

Eye Inflammation

Eyeglasses

General Eye Consultation

Routine Eye Exam

Computer Vision Syndrome

Contact Lenses

Double Vision

Eye Infection

Office location

20 / 20 Optometry

115 West 25th Ave, San Mateo, CA 94403

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Education and background

Practice names

20/20 Optometry

Education and training

SUNY COLLEGE OF OPTOMETRY, Doctor of Optometry

Languages spoken

English

Provider's gender

Female

NPI number

1184398190

Patient reviews

All reviews have been submitted by patients after interacting with the practice.

Overall rating

4.88

Wait time

5.00

Bedside manner

4.86

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8 reviews

Most relevant

So professional, educated, state-of-the-art facility and equipment. Very reasonable prices. Highly, highly recommend.

April 16, 2026Vanessa M.Verified patient

Friendly front desk people, minimal waiting time, all my questions were answered, overall great experience.

April 12, 2026Larissa J.Verified patient

"I had a really great experience here. The office was clean and well-kept, and the staff was professional throughout. Dr. Chow was fantastic — she actually took the time to do a thorough, complete exam rather than rushing me through. She listened to my concerns, didn't dismiss anything, prescribed the appropriate medication, and scheduled a follow-up to make sure everything was on track. It's refreshing to find a doctor who genuinely pays attention. Highly recommend!"

Less than 1 month agoAndreas N.Verified patient

Dr. chow was great and answered all my questions while explaining what she was doing. The office staff helped me pick out a pair of frames and answered all my questions and explained everything very clearly

April 1, 2026Courtney G.Verified patient

I had an appointment with Dr. Cassandra Chow. Thank you so much for your professionalism and attentiveness! I will definitely be back to order glasses. Thank you, everyone!

April 1, 2026Armenui A.Verified patient

April 23, 2026Silvia D.Verified patient

Less than 1 month agoInitials hidden

March 26, 2026jiunn haur L.Verified patient

Frequently asked questions

How soon can I make an appointment with Dr. Cassandra Chow?

Generally, Dr. Cassandra Chow has appointments available on Zocdoc within 1 week. You can see Dr. Chow's earliest availability on Zocdoc and make an appointment online.

Is Dr. Cassandra Chow accepting new patients?

Dr. Cassandra Chow generally accepts new patients on Zocdoc. You can see Dr. Chow's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Cassandra Chow accept my insurance?

Choose your insurance plan to verify if Dr. Chow is in-network.

Can I make an appointment with Dr. Cassandra Chow online?

Yes, you can make an appointment online with Dr. Chow using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Cassandra Chow work with?

Dr. Cassandra Chow works with 20/20 Optometry.

Where is Dr. Cassandra Chow's office located?

Dr. Cassandra Chow's office is located at 115 West 25th Ave, San Mateo, CA 94403.

What are common reasons for patients to see Dr. Cassandra Chow?

Dr. Cassandra Chow frequently sees patients for Contact Lenses, Eye Infection, Eyeglasses, General Eye Consultation, and Routine Eye Exam. You can see other visit reasons for Dr. Cassandra Chow on their profile.

What languages does Dr. Cassandra Chow speak?

Dr. Cassandra Chow speaks English.

How do patients rate Dr. Cassandra Chow in reviews?

8 patients have reviewed Dr. Cassandra Chow. The overall rating for this doctor is 4.88/5. They have a 4.86/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.