Call today: (650) 992-9221

Contact Us

The friendly staff at the office of Susan Longar, MD welcomes your call and looks forward to serving you. If you have any questions about our medical eye care, optical, or cosmetic services, or you would like to make an appointment, please call our Daly City ophthalmology office at (650) 992-9221.

Location & Phone

Susan Longar, MD

Phone: (650) 992-9221
Fax: (650) 992-9220


1850 Sullivan Avenue, Suite 500
Daly City, CA 94015

We are conveniently located at Seton Medical Office Centers in building 1850, the peach-colored building in front of the circular driveway. Ample free parking is available to the right of the building.

Seton Medical Center campus is served by BART via Sam Trans Bus and locally by Sans Trans at (800) 660-4287 or BART at (650) 992-2278 for further information on reaching the hospital and medical office buildings by public transportation.

Office Hours

  • Monday – Thursday: 8:30 am – 5 pm
  • Friday: 8:30 am – 3 pm
  • Closed daily for lunch from 12:20 pm – 1:20 pm

Before Your Appointment

  • Please call us at least 24 hours prior to your appointment if you cannot make your scheduled appointment.
  • Remember to bring your current glasses and contacts.  If you wear contacts, bring your current prescription or lens boxes.
  • Bring a list of your medications, including any eye drops that you use.
  • Please be aware that a contact lens fitting may be required if:  your current lenses are no longer available, your prescriptions needs change from single vision to multifocal lenses, or other medical problems exist. A contact lens fitting includes personalized training on contact lens insertion and removal, care, cleaning solution and follow-up.
  • If you have scheduled a complete eye exam, refractions (measurement of eyeglass prescription) is available.  If you do not have additional vision insurance (VSP, MES)  we charge $45 for this service.
  • New patients, to save time you may print our forms and fill them out at home.  Please bring your photo I.D. and insurance card. You may also elect to fill out these forms in our office.

During Your Appointment

  • You will probably have dilating drops placed in your eyes. This may cause some light sensitivity and blur, especially with close-up vision. Although most patients are able to drive a car after dilation, some find it difficult and prefer to be accompanied by a driver.
  • It takes some time for dilating drops to work or special studies to be done, so please be prepared to be at our office for up to 1.5 to 2 hours for a complete exam.

Medical Emergencies

In the event of a life-threatening medical emergency, call emergency medical services at 911 immediately. DO NOT WAIT! Inform the emergency room staff that you are a patient of Dr. Susan Longar and they will contact us.

After Hours Urgent Medical Needs

If you have an urgent medical need and need to talk to our doctors after our regular hours, please call our office at (650) 992-9221. A doctor is on-call 24 hours a day. Your call will be returned promptly.

Insurance / Payment / Billing

We accept Medicare, Health Plan of San Mateo, Blue Cross, Health Net, Brown and Toland Medical Group, Blue Shield, Aetna, Cigna, Tricare, Anthem, Chinese Community Health Plan, Hills Physicians Medical Group, VSP (Vision Service Plan), and MES (Medical Eye Services). If you are unsure of your health plans affiliation with a Medical Group, please contact your insurance company for clarification.  Due to the complexity of the health care system, only your insurance company is the expert on your individual plan.

If your insurance plan requires you to make a co-payment, co-insurance, and/or a deductible, you will have an opportunity to pay at the time of your visit. For your convenience we accept cash, checks, Visa, and MasterCard.

If you have a question related to your bill, please contact our billing specialists at (888) 702-4557.

Hospital & Surgery Center Affiliations

Dr. Susan Longar has hospital or surgery center affiliations with:

  • Seton Outpatient Surgery Center
  • Seton Medical Center
  • California Pacific Medical Center (CPMC) California Campus
  • St. Luke's Physician Surgery Center
  • Campus Surgery Center


Fluent languages spoken in our office include English, Spanish, and Tagalog.

Financing Available

 This information to help make healthcare more affordable.  Although we accept these forms of payment, these companies are in no way affiliated with Susan Longar, MD APC.

In an effort to make care accessible to all of out patients regardless of their financial situation, we've partnered with Parasail to find patient friendly payment plans that fit their needs.  Parasail is a unique lender in the field of medical loans.  Unlike credit cards, Parasail has fixed interest rate loans based on your financial information, no fees and affordable payments that can be spread out monthly to fit your budget and ensure that you get the care you need.  To apply click, or copy and paste into your browser.


We also accept CareCredit, a credit card especially for health care related expenses.  CareCredit has more than 10 million cardholders, and thousands of people are approved for CareCredit everyday.  Apply today and let CareCredit help you finance the care you need and want.  To apply, click, or copy and paste into your browser.  You may also call 800-365-8292 and an agent will walk you through the process by phone.

Send Us a Message 

 ****This form is NOT to be used for urgent or emergency care!***

By using this form to send us a message, you are certifying you are not seeking urgent or emergency care or advice.  If you are experiencing an eye emergency, please call 911 or go to the nearest emergency room.

Susan Longar, MD