John DayM.D.
Orthopedic Surgery·Marietta, GA
John Day, M.D. is an Orthopedic Surgery provider in Marietta, GA, as of July 2026.
- NPI1295738227
- Registered2005
- Class of1989
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Day at a glance
- Provider
- John Day
- Credential
- M.D.
- Specialty
- Orthopedic Surgery
- Procedures
- Orthopedic Surgery CPT codes
- Location
- Marietta, GA
- Medical school
- Wayne State University School of Medicine
- Graduated
- 1989
- NPI registered
- 2005
- NPI
- 1295738227
- 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 Day practice?
John Day, M.D. is based in Marietta, GA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Day's NPI number?
John Day's National Provider Identifier (NPI) is 1295738227, registered in 2005. Specialty on record: Orthopedic Surgery; credential M.D.
Where did John Day go to medical school?
John Day, M.D. attended Wayne State University School of Medicine, graduating in 1989.
How many Orthopedic Surgery providers in Georgia work at ambulatory surgery centers?
213 Orthopedic Surgery surgeons and proceduralists in Georgia are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Day among them. The Georgia Orthopedic Surgery directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete John Day analysis
Tell us where to send it. Our team will prepare an analysis of John Day 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.