Royal JohnsonM.D.
Royal Johnson, M.D. is an Internal Medicine provider in Hilo, HI, as of July 2026.
- NPI1659446037
- Registered2006
- Class of1985
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Royal Johnson at a glance
- Provider
- Royal Johnson
- Credential
- M.D.
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Hilo, HI
- Medical school
- Brody School of Medicine at East Carolina University
- Graduated
- 1985
- NPI registered
- 2006
- NPI
- 1659446037
- 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 Royal Johnson practice?
Royal Johnson, M.D. is based in Hilo, HI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Royal Johnson's NPI number?
Royal Johnson's National Provider Identifier (NPI) is 1659446037, registered in 2006. Specialty on record: Internal Medicine; credential M.D.
Where did Royal Johnson go to medical school?
Royal Johnson, M.D. attended Brody School of Medicine at East Carolina University, graduating in 1985.
How many Internal Medicine providers in Hawaii work at ambulatory surgery centers?
8 Internal Medicine surgeons and proceduralists in Hawaii are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Royal Johnson among them. The Hawaii Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete Royal Johnson analysis
Tell us where to send it. Our team will prepare an analysis of Royal Johnson 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.