Harold JohnsonMD
Radiation Oncology·Columbia, MO
Harold Johnson, MD is a Radiation Oncology provider in Columbia, MO, as of July 2026.
- NPI1154327096
- Registered2005
- Class of1997
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Harold Johnson at a glance
- Provider
- Harold Johnson
- Credential
- MD
- Specialty
- Radiation Oncology
- Location
- Columbia, MO
- Medical school
- University of North Carolina at Chapel Hill School of Medicine
- Graduated
- 1997
- NPI registered
- 2005
- NPI
- 1154327096
- 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 Harold Johnson practice?
Harold Johnson, MD is based in Columbia, MO. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Harold Johnson's NPI number?
Harold Johnson's National Provider Identifier (NPI) is 1154327096, registered in 2005. Specialty on record: Radiation Oncology; credential MD.
Where did Harold Johnson go to medical school?
Harold Johnson, MD attended University of North Carolina at Chapel Hill School of Medicine, graduating in 1997.
How many Radiation Oncology providers in Missouri work at ambulatory surgery centers?
13 Radiation Oncology surgeons and proceduralists in Missouri are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Harold Johnson among them. The Missouri Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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