John CallahanD.P.M.
John Callahan, D.P.M. is a Podiatry provider in Salem, OR, as of July 2026.
- NPI1861496804
- Registered2005
- Class of1997
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Callahan at a glance
- Provider
- John Callahan
- Credential
- D.P.M.
- Specialty
- Podiatry
- Procedures
- Podiatry CPT codes
- Location
- Salem, OR
- Medical school
- California School of Podiatric Medicine
- Graduated
- 1997
- NPI registered
- 2005
- NPI
- 1861496804
- 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 John Callahan practice?
John Callahan, D.P.M. is based in Salem, OR. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Callahan's NPI number?
John Callahan's National Provider Identifier (NPI) is 1861496804, registered in 2005. Specialty on record: Podiatry; credential D.P.M.
Where did John Callahan go to medical school?
John Callahan, D.P.M. attended California School of Podiatric Medicine, graduating in 1997.
How many Podiatry providers in Oregon work at ambulatory surgery centers?
56 Podiatry surgeons and proceduralists in Oregon are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Callahan among them. The Oregon Podiatry directory lists each one by city with credential, NPI, and center affiliations.
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