Doctor Profile

Cardiology · Cardiovascular Disease (Cardiology)

Tuan Lam

MD · Cardiovascular Disease (Cardiology) · Johns Hopkins University School Of Medicine
18035 BROOKHURST ST
SUITE 1300
Fountain Valley, CA 92708
✓ Accepts Medicare 🎓 29+ Years Practicing
192
Medicare Patients / yr
9
Procedures Billed
29
Years Practicing
2
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 Tuan Lam'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. Lam

See which plans Dr. Lam 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. Lam is to compare every Medicare Advantage and Part D plan available near 92708, CA — the Cardiovascular Disease (Cardiology)'s office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 92708, CA →

Or call the office at (562) 988-9333 to confirm acceptance directly.

What Dr. Lam Does

Dr. Lam served 192 Medicare patients across 205 services in the latest CMS reporting year. That's 91% below the average Cardiovascular Disease (Cardiology) in California (2,151 patients across 1,736 doctors).

ProcedureServicesMedicare Patients
New patient office or other outpatient visit, 60-74 minutes (99205)4444
Coronary artery bypass using artery graft, 1 graft (33533)3030
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)2424
Harvest of vein using an endoscope (33508)2323
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)2213

How to read this: "Services" are the total times Dr. Lam 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. Lam is affiliated with 2 hospitals according to CMS Physician Compare. Below are the 2 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Mymichigan Medical Center Midland

Midland, MI
★★★★☆ 4/5 CMS Rating

Memorialcare Orange Coast Medical Center

Fountain Valley, CA
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 18035 BROOKHURST ST, SUITE 1300, Fountain Valley, CA 92708
Phone: (562) 988-9333

Area Safety Grade

C+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

32 min

Average commute time in this zip · 83% 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

34.4359

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

Get directions on Google Maps →

Other Cardiology Doctors near 92708, CA

If Dr. Lam isn't accepting new patients or isn't in your plan's network, these are the closest cardiology doctors near 92708, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Jennifer L. WongCardiovascular Disease (Cardiology)2.3K<1 mi
Sarah S. ElsayedCardiovascular Disease (Cardiology)1.4K<1 mi
Hoang P. NguyenCardiovascular Disease (Cardiology)1.8K<1 mi
Stacey J. HowellCardiac Electrophysiology159<1 mi
Nikhil P. WarrierCardiac Electrophysiology2.9K<1 mi

View all cardiology doctors near 92708, CA →

How to Use This Information

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

Compare Medicare Plans near 92708, CA → All Doctors near 92708, CA

Tuan Lam: Common Questions

Does Dr. Lam accept Medicare?
Yes. Dr. Lam is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Lam depends on that plan's provider network. Compare Medicare plans near 92708, CA →
Where is Dr. Lam's office?
Dr. Lam practices at 18035 BROOKHURST ST, SUITE 1300, Fountain Valley, CA 92708. Phone: (562) 988-9333.
What Medicare plans does Dr. Lam accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (562) 988-9333 to confirm your specific plan is accepted, or compare all Medicare plans near 92708, CA to see available options.
Does Dr. Lam offer telehealth visits?
CMS does not currently list Dr. Lam as offering telehealth. Call the office at (562) 988-9333 to confirm whether virtual visits are available.
How experienced is Dr. Lam?
Dr. Lam graduated in 1997 and has been practicing for approximately 29 years. In the latest CMS reporting year, Dr. Lam treated 192 Medicare patients across 9 distinct procedure types.
How do I know if Dr. Lam 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 (562) 988-9333 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 Cardiology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 92708, CA:

Does your Medicare plan cover Dr. Lam?

Compare Plans near 92708, CA →