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

Gregory John Duncan, MD

Individual provider Orthopaedic Surgery Physician · NPI 1164459921

Gregory John Duncan, MD is an Orthopaedic Surgery Physician in Wrangell, Alaska. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

Zimovia Highway Mile 5.5
Wrangell, AK 99929-9992
Phone: (707) 951-9203
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence A44032 (CA)

Record details

NPI number1164459921
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 27, 2006
Last updated in NPPESFebruary 9, 2023
Certification dateFebruary 2, 2023