Louis KeilerM.D.
Radiation Oncology·Cedar Rapids, IA
Louis Keiler, M.D. is a Radiation Oncology provider in Cedar Rapids, IA, as of July 2026.
- NPI1033322219
- Registered2007
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Louis Keiler at a glance
- Provider
- Louis Keiler
- Credential
- M.D.
- Specialty
- Radiation Oncology
- Location
- Cedar Rapids, IA
- NPI registered
- 2007
- NPI
- 1033322219
- 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 Louis Keiler practice?
Louis Keiler, M.D. is based in Cedar Rapids, IA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Louis Keiler's NPI number?
Louis Keiler's National Provider Identifier (NPI) is 1033322219, registered in 2007. Specialty on record: Radiation Oncology; credential M.D.
How many Radiation Oncology providers in Iowa work at ambulatory surgery centers?
12 Radiation Oncology surgeons and proceduralists in Iowa are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Louis Keiler among them. The Iowa Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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