Dr. Tuan Lam, M.D.
What this data tells you about Dr. Lam
Dr. Tuan Lam is a thoracic surgery specialist in Fountain Valley, CA, with 18 years of NPI registration. Based on federal Medicare data, Dr. Lam performed 193 Medicare services across 180 unique beneficiaries.
Between the years covered by Open Payments, Dr. Lam received a total of $11,095 from 13 pharmaceutical and/or device companies across 157 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in thoracic surgery. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Lam is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| New patient office visit, complex (60-74 min) | 32 | $183 | $488 |
| Coronary artery bypass graft, 1 artery Surgical procedure to bypass a blocked coronary artery using a graft from another artery. This restores blood flow to the heart muscle. |
30 | $1,030 | $4,237 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
24 | $108 | $298 |
| Endoscopic vein harvest A surgical procedure to remove a vein using an endoscope, which is a thin, lighted tube inserted through small incisions. |
23 | $13 | $67 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
22 | $40 | $91 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
22 | $67 | $160 |
| Coronary artery bypass graft, 2 grafts A surgical procedure to restore blood flow to the heart by creating bypasses using two vein or artery grafts. |
16 | $309 | $875 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
13 | $80 | $203 |
| Coronary artery bypass graft, 3 grafts A surgical procedure to restore blood flow to the heart by creating bypasses using vein or artery grafts. This specific code covers the placement of three grafts. |
11 | $301 | $993 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (87%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Lam is a cardiac surgery specialist, with moderate Medicare volume, with low-engagement industry engagement, with 18 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Lam experienced with new patient office visit, complex (60-74 min)?
Does Dr. Lam receive payments from pharmaceutical companies?
How do Dr. Lam's costs compare to other thoracic surgerists in Fountain Valley?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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