Dr. William Armstrong, MD, is listed under ENT Surgery in Orange, California, the primary practice location on the doctor's National Provider Identifier record (NPI 1063592145). This profile shows the specialty, practice city and NPI details from the national NPI Registry. To ask about an appointment, send a consultation request using the form on this page.
The directory lists 165 other ENT surgery doctors whose NPI practice location is in California. Browse all ENT surgery doctors on the ENT Surgery page. These details come from the public NPPES NPI Registry run by the Centers for Medicare & Medicaid Services; The Doctor Directory does not rate or rank doctors.
How can I check Dr. William Armstrong's license in California?
Look up Dr. William Armstrong in the Medical Board of California license lookup to confirm an active license and any public disciplinary actions, and check board certification through ABMS Certification Matters. If you have Medicare, Medicare Care Compare lets you search doctors and clinicians enrolled in Medicare.
Frequently Asked Questions
What is Dr. William Armstrong's specialty?
Dr. William Armstrong is listed under ENT Surgery on The Doctor Directory, with a recorded provider taxonomy of Otolaryngology. The specialty comes from the doctor's entry in the NPPES NPI Registry, the national database of US health care providers maintained by the Centers for Medicare & Medicaid Services (CMS). Because a listing reflects registry data rather than a clinical review, confirm with the practice which services Dr. William Armstrong currently offers before you book.
Where does Dr. William Armstrong practice?
Dr. William Armstrong's primary practice location on record is Orange, California. That is the practice location in the doctor's National Provider Identifier (NPI) record, which providers keep up to date with CMS themselves, so it can lag behind a recent move. Before a visit, confirm the office address, hours and the insurance plans accepted directly with the practice.
What is Dr. William Armstrong's NPI number?
Dr. William Armstrong's National Provider Identifier (NPI) is 1063592145. An NPI is a unique 10-digit number that CMS assigns to each US health care provider, and it does not change when a provider moves or changes jobs. Enter it in the NPPES NPI Registry, linked on this page, to see the name, credential (MD), specialty taxonomy and practice address on file.
How can I verify Dr. William Armstrong's credentials and license?
Start with the NPI Registry record linked on this page, which shows the credential and specialty taxonomy Dr. William Armstrong reported. To confirm an active medical license and any public disciplinary actions, search the California medical licensing board's online license lookup. Board certification is checked separately through the certifying board, for example the ABMS Certification Matters search.
How do I request an appointment with Dr. William Armstrong?
Select Send Inquiry or Request Consultation on this profile and complete the short form with your name, email and the reason for your visit. The request is submitted through The Doctor Directory's consultation form, and direct contact details are not shown on this page. The Doctor Directory is free for patients and is a listing service, so it does not provide medical care or medical advice.