Doctor Profile

Eye Care · Ophthalmology

Susan Longar

MD · Ophthalmology · University Of California, Davis School Of Medicine
1850 SULLIVAN AVE
Daly City, CA 94015
✓ Accepts Medicare 🎓 35+ Years Practicing
3.3K
Medicare Patients / yr
11
Procedures Billed
35
Years Practicing
1
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Susan Longar's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Longar

See which plans Dr. Longar accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for California, the fastest way to find a Medicare plan that covers Dr. Longar is to compare every Medicare Advantage and Part D plan available near 94015, CA — the Ophthalmology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 94015, CA →

Or call the office at (650) 992-9221 to confirm acceptance directly.

What Dr. Longar Does

Dr. Longar served 3,285 Medicare patients across 3,672 services in the latest CMS reporting year. That's 84% above the average Ophthalmology in California (1,788 patients across 1,833 doctors).

ProcedureServicesMedicare Patients
Photography of the retina (92250)972870
Established patient complete exam of visual system (92014)853823
Imaging of retina (92134)460428
Imaging of optic nerve (92133)283253
Established patient problem focused exam of visual system (92012)251212

How to read this: "Services" are the total times Dr. Longar billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Longar is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Ahmc Seton Medical Center

Daly City, CA
★☆☆☆☆ 1/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Longar practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Longar offers telehealth — broadband availability at your home matters for virtual visits.

Address: 1850 SULLIVAN AVE, Daly City, CA 94015
Phone: (650) 992-9221

Area Safety Grade

C

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

34 min

Average commute time in this zip · 71% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

83.3386

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Eye Care Doctors near 94015, CA

If Dr. Longar isn't accepting new patients or isn't in your plan's network, these are the closest eye care doctors near 94015, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Peter MartindaleOptometry287<1 mi
Michael R. HeeOphthalmology2.3K<1 mi
Anh BuiOphthalmology32<1 mi
Ting Ting LiuOphthalmology752<1 mi
Daniel J. BuckleyOphthalmology996<1 mi

View all eye care doctors near 94015, CA →

How to Use This Information

Choosing a Medicare plan that covers Dr. Longar takes three steps:

Compare Medicare Plans near 94015, CA → All Doctors near 94015, CA

Susan Longar: Common Questions

Does Dr. Longar accept Medicare?
Yes. Dr. Longar is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Longar depends on that plan's provider network. Compare Medicare plans near 94015, CA →
Where is Dr. Longar's office?
Dr. Longar practices at 1850 SULLIVAN AVE, Daly City, CA 94015. Phone: (650) 992-9221.
What Medicare plans does Dr. Longar accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (650) 992-9221 to confirm your specific plan is accepted, or compare all Medicare plans near 94015, CA to see available options.
Does Dr. Longar offer telehealth visits?
CMS does not currently list Dr. Longar as offering telehealth. Call the office at (650) 992-9221 to confirm whether virtual visits are available.
How experienced is Dr. Longar?
Dr. Longar graduated in 1991 and has been practicing for approximately 35 years. In the latest CMS reporting year, Dr. Longar treated 3,285 Medicare patients across 11 distinct procedure types.
How do I know if Dr. Longar is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (650) 992-9221 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Eye Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 94015, CA:

Does your Medicare plan cover Dr. Longar?

Compare Plans near 94015, CA →