Dr. Sing Lam, M.D.
What this data tells you about Dr. Lam
Dr. Sing Lam is a gastroenterology specialist in Seattle, WA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Lam performed 864 Medicare services across 401 unique beneficiaries.
Between the years covered by Open Payments, Dr. Lam received a total of $920 from 3 pharmaceutical and/or device companies across 46 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in gastroenterology. 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 |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
356 | $92 | $171 |
| 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. |
174 | $58 | $120 |
| Venipuncture for blood draw Insertion of a needle into a vein to collect blood samples. This procedure is performed on patients aged 3 years or older. |
135 | $13 | $30 |
| Urinalysis for bacteria A urine test to check for the presence of bacteria. This procedure analyzes a urine sample to detect bacterial growth. |
52 | $22 | $22 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
46 | $10 | $55 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
43 | $142 | $173 |
| Quadrivalent influenza vaccine, preservative-free A flu shot containing four strains of the influenza virus, formulated without preservatives, administered in a 0.5 ml dose. |
23 | $22 | $22 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
23 | $34 | $37 |
| Fecal immunochemical test (FIT), 1-3 simultaneous A screening test that uses a stool sample to detect hidden blood in the feces, helping to identify potential colorectal cancer. |
12 | $18 | $42 |
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 (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
6.2 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 clinical cardiology specialist, with above-average Medicare volume (top 19% in WA), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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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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