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Dr. William R. Gibb, MD

Critical Care Medicine (Critical Care Medicine (Anesthesiology) Physician)

300 Pasteur Dr
Palo Alto, CA 94304

Who else practices at this address →

Santa Clara County includes mental health (13% of residents) shortage areas. About shortage areas

Call (650) 723-4000

At a glance

Years since graduation
7
In the NPI registry since
2015

Licensed in California since 2022, 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

  • 2019Medical school: Northwestern University Feinberg Medical School
  • 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

  • Critical Care Medicine (Anesthesiology) Physician primary
    CA license A181596 (first issued 2022; current)
  • Critical Care Medicine (Internal Medicine) Physician
    CA license A181596 (first issued 2022; current)
  • Emergency Medicine Physician
    CA license A181596 (first issued 2022; current)

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

Map: Critical Care Medicine 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 Critical Care Medicine clinicians in Palo Alto

Sources

NPI registry (CMS NPPES, November 2026; record last updated September 1, 2026), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1700250669. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.