Dr. David Wan, M.D.
What this data tells you about Dr. Wan
Dr. David Wan is a nuclear radiology physician in Houston, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Wan performed 318 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Wan received a total of $1,995 from 5 pharmaceutical and/or device companies across 28 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Wan 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 — 2023
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 |
|---|---|---|---|
| Bone density scan (DEXA) A test that uses low-dose X-rays to measure bone mineral density in the hip, pelvis, and spine. It helps assess bone strength and risk of fractures. |
113 | $10 | $92 |
| Nuclear medicine scan from skull base to mid-thigh with CT A nuclear medicine imaging study covering the area from the base of the skull to the middle of the thighs, performed alongside a CT scan. |
95 | $91 | $630 |
| Whole body bone and joint nuclear medicine scan A nuclear medicine imaging test that uses a radioactive tracer to create pictures of the entire skeleton and joints. This scan helps evaluate bone health and detect abnormalities throughout the body. |
27 | $32 | $241 |
| Nuclear medicine study with CT scan A nuclear medicine imaging test performed on a specific body area combined with a CT scan. |
24 | $83 | $630 |
| SPECT nuclear medicine scan, 1 area A nuclear medicine imaging test using a single photon emission computed tomography (SPECT) scan to create detailed images of one specific area of the body. |
21 | $39 | $251 |
| Lung ventilation and perfusion scan A nuclear medicine test that uses radioactive tracers to evaluate both air flow (ventilation) and blood flow (perfusion) in the lungs. |
13 | $41 | $265 |
| Whole body nuclear medicine scan with CT A combined imaging procedure using nuclear medicine and CT scans to visualize the entire body. |
13 | $93 | $630 |
| Nuclear stress test of heart muscle A nuclear medicine imaging test that evaluates blood flow to the heart muscle at rest and during stress using a special camera. |
12 | $56 | $385 |
Industry Payment Transparency
Open Payments through 2023 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2023)
All-time payments by company (2018-2023) ›
Associated products mentioned in payments ›
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2023 |
| Disciplinary History | — Not included | 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. Wan is a cardiac imaging specialist, with moderate Medicare volume, with 20 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. Wan experienced with bone density scan (dexa)?
Does Dr. Wan receive payments from pharmaceutical companies?
How do Dr. Wan's costs compare to other nuclear radiology physicians in Houston?
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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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