William Au, M.D.
Neurology Physician · Sacramento, CA
William Au, M.D. is a neurology physician with a practice address in Sacramento, California, and NPI 1457375321, issued on Jul 26, 2006. Check the license (California G32757, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Au
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- G32757 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2800 L St, Sacramento, CA 95816
- Phone
- (916) 454-6850
- Enumerated
- Jul 26, 2006
- Entity
- Type 1 · individual
Also registered at 2800 L St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Atkinson, MDNeurology Physician1154344992
- Richard Axelrod, M.D.Cardiovascular Disease Physician1437147923
- Sarah Chan, M.D.Diagnostic Radiology Physician1437353125
- Samuel Ciricillo, M.D.Neurological Surgery Physician1841305554
- Richard Ericson, MDCardiovascular Disease Physician1649314055
- Rosemary Forster, PASurgical Physician Assistant1043321565
Verify William Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Neurology Physician providers in California
There are 2,160 neurology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other neurology physician records in California
- Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
- John Aalbers, M.D.San Diego, CA1942262431
- Puya Abbassi, D.O.San Jose, CA1831695428
- Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
- Hadi Abou El Hassan, MDLos Angeles, CA1053995720
- John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
- Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
- Scott Abramson, M.D.San Leandro, CA1891873667
- Valerie Acevedo, D.O.Newport Beach, CA1043258502
- Saviour Achilike, MDTracy, CA1033506688
Common questions
What is William Au, M.D.'s NPI number?
William Au, M.D.'s National Provider Identifier (NPI) is 1457375321, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Au, M.D. located?
The NPPES record lists a practice address at 2800 L St, Sacramento, CA, 95816. Phone: (916) 454-6850. Providers update this record themselves, so call before visiting.
How can I verify William Au, M.D.'s license?
NPPES lists California license number G32757, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.