John ButlerM.D.
General Surgery·Gaithersburg, MD
John Butler, M.D. is a General Surgery provider in Gaithersburg, MD, as of July 2026.
- NPI1447303458
- Registered2007
- Class of1986
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Butler at a glance
- Provider
- John Butler
- Credential
- M.D.
- Specialty
- General Surgery
- Procedures
- General Surgery CPT codes
- Location
- Gaithersburg, MD
- Medical school
- Johns Hopkins University School of Medicine
- Graduated
- 1986
- NPI registered
- 2007
- NPI
- 1447303458
- 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 Butler practice?
John Butler, M.D. is based in Gaithersburg, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Butler's NPI number?
John Butler's National Provider Identifier (NPI) is 1447303458, registered in 2007. Specialty on record: General Surgery; credential M.D.
Where did John Butler go to medical school?
John Butler, M.D. attended Johns Hopkins University School of Medicine, graduating in 1986.
How many General Surgery providers in Maryland work at ambulatory surgery centers?
101 General Surgery surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Butler among them. The Maryland General Surgery directory lists each one by city with credential, NPI, and center affiliations.
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