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

Dr. Arthur Darrell Hagan, MD

Individual provider Specialist · NPI 1811928021

Dr. Arthur Darrell Hagan, MD is a Specialist in Stillwater, Oklahoma. Practices as a sole proprietor. Licensed in Oklahoma.

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.

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Practice location Address checks out

1323 W 6th Ave Ste 201
Stillwater, OK 74074-4306
Phone: (405) 743-2354
Fax: (405) 743-2950
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 15022 (OK)
Specialist Taxonomy 174400000X · Licence 15022 (OK)

Record details

NPI number1811928021
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 5, 2006
Last updated in NPPESAugust 2, 2026
Certification dateMarch 10, 2020
Mailing addressPo Box 720006, Norman, OK 73070-4006

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