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Dr. Hanjay Wang, MD

Cardiothoracic Surgery (Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician)

At a glance

Years since graduation
11
In the NPI registry since
2015

Licensed in California since 2016, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2015Medical school: Columbia University College of Physicians and Surgeons
  • 2015Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician primary
    CA license A143896 (first issued 2016; current)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Cardiothoracic Surgery per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Other Cardiothoracic Surgery clinicians in Santa Clara

Sources

NPI registry (CMS NPPES, November 2026; record last updated August 20, 2024), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1992182000. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.