John LedererM.D.
Radiation Oncology·Honolulu, HI
John Lederer, M.D. is a Radiation Oncology provider in Honolulu, HI, as of July 2026.
- NPI1740253327
- Registered2006
- Class of1980
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Lederer at a glance
- Provider
- John Lederer
- Credential
- M.D.
- Specialty
- Radiation Oncology
- Location
- Honolulu, HI
- Medical school
- Baylor College of Medicine
- Graduated
- 1980
- NPI registered
- 2006
- NPI
- 1740253327
- 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 Lederer practice?
John Lederer, M.D. is based in Honolulu, HI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Lederer's NPI number?
John Lederer's National Provider Identifier (NPI) is 1740253327, registered in 2006. Specialty on record: Radiation Oncology; credential M.D.
Where did John Lederer go to medical school?
John Lederer, M.D. attended Baylor College of Medicine, graduating in 1980.
How many Radiation Oncology providers in Hawaii work at ambulatory surgery centers?
12 Radiation Oncology surgeons and proceduralists in Hawaii are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Lederer among them. The Hawaii Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete John Lederer analysis
Tell us where to send it. Our team will prepare an analysis of John Lederer covering case volumes, referral patterns, payer mix, and how specialty peers compare, and email it to you within 5-10 business days. Need it faster? Book a demo.