John MckenzieM.D.
Internal Medicine·Glendale, CA
John Mckenzie, M.D. is an Internal Medicine provider in Glendale, CA, as of July 2026.
- NPI1366422685
- Registered2006
- Class of1988
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Mckenzie at a glance
- Provider
- John Mckenzie
- Credential
- M.D.
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Glendale, CA
- Medical school
- University of Missouri, Columbia School of Medicine
- Graduated
- 1988
- NPI registered
- 2006
- NPI
- 1366422685
- 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 Mckenzie practice?
John Mckenzie, M.D. is based in Glendale, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Mckenzie's NPI number?
John Mckenzie's National Provider Identifier (NPI) is 1366422685, registered in 2006. Specialty on record: Internal Medicine; credential M.D.
Where did John Mckenzie go to medical school?
John Mckenzie, M.D. attended University of Missouri, Columbia School of Medicine, graduating in 1988.
How many Internal Medicine providers in California work at ambulatory surgery centers?
209 Internal Medicine surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Mckenzie among them. The California Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
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