Aaron FiekerD.O.
Aaron Fieker, D.O. is a Gastroenterology provider in Tulsa, OK affiliated with 1 ambulatory surgery center in OK, as of July 2026.
- NPI1326268079
- Registered2007
- Centers1
- StateOK
- Class of2005
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
Aaron Fieker at a glance
- Provider
- Aaron Fieker
- Credential
- D.O.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Tulsa, OK
- Medical school
- Oklahoma State University College of Osteopathic Medicine
- Graduated
- 2005
- NPI registered
- 2007
- NPI
- 1326268079
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Aaron Fieker practice?
Aaron Fieker, D.O. is based in Tulsa, OK and is affiliated with 1 ambulatory surgery center: Uspi Memorial Surgery Center in Tulsa, OK. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Aaron Fieker's NPI number?
Aaron Fieker's National Provider Identifier (NPI) is 1326268079, registered in 2007. Specialty on record: Gastroenterology; credential D.O.
Where did Aaron Fieker go to medical school?
Aaron Fieker, D.O. attended Oklahoma State University College of Osteopathic Medicine, graduating in 2005.
How many Gastroenterology providers in Oklahoma work at ambulatory surgery centers?
25 Gastroenterology surgeons and proceduralists in Oklahoma are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Aaron Fieker among them. The Oklahoma Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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