Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Armstrong, MD

Individual provider Otolaryngology Physician · NPI 1063592145

Dr. William Armstrong, MD is an Otolaryngology in Orange, California. Graduated from University of Washington School of Medicine in 1988, 38 years ago. Practices with University Head and Neck Surgeons, a 25-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
38
Trained at
University of Washington School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 880-7812
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence G66175 (CA)

Record details

NPI number1063592145
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESJanuary 31, 2025
Certification dateJanuary 31, 2025
Mailing address200 S Manchester Ave Ste 300, Orange, CA 92868-3219

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice University Head And Neck Surgeons — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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