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

Brian William Duignan, MD

Individual provider Emergency Medicine Physician · NPI 1215028816

Brian William Duignan, MD is an Emergency Medicine Physician in Tahlequah, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
In the registry since
2006
Specialties on file
2
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

100 S Bliss Ave
Tahlequah, OK 74464-2512
Phone: (918) 458-3100
Fax: (918) 458-3511
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 23049 (OK)
Family Medicine Physician Taxonomy 207Q00000X · Licence 23049 (OK)

Record details

NPI number1215028816
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESNovember 14, 2007
Mailing address100 S Bliss Ave, Tahlequah, OK 74464-2512

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