Brian CallahanMD
Neurosurgery·Tucson, AZ
Brian Callahan, MD is a Neurosurgery provider in Tucson, AZ affiliated with 1 ambulatory surgery center in AZ, as of July 2026.
- NPI1982750576
- Registered2007
- Centers1
- StateAZ
- Class of2003
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.
Brian Callahan at a glance
- Provider
- Brian Callahan
- Credential
- MD
- Specialty
- Neurosurgery
- Procedures
- Neurosurgery CPT codes
- Location
- Tucson, AZ
- Medical school
- University of Colorado School of Medicine, Denver
- Graduated
- 2003
- NPI registered
- 2007
- NPI
- 1982750576
- 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 Brian Callahan practice?
Brian Callahan, MD is based in Tucson, AZ and is affiliated with 1 ambulatory surgery center: Surgcenter Tucson LLC in Tucson, AZ. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Brian Callahan's NPI number?
Brian Callahan's National Provider Identifier (NPI) is 1982750576, registered in 2007. Specialty on record: Neurosurgery; credential MD.
Where did Brian Callahan go to medical school?
Brian Callahan, MD attended University of Colorado School of Medicine, Denver, graduating in 2003.
How many Neurosurgery providers in Arizona work at ambulatory surgery centers?
34 Neurosurgery surgeons and proceduralists in Arizona are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Brian Callahan among them. The Arizona Neurosurgery directory lists each one by city with credential, NPI, and center affiliations.
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