John FellerM.D.
Cardiology·Seattle, WA
John Feller, M.D. is a Cardiology provider in Seattle, WA, as of July 2026.
- NPI1447612775
- Registered2016
- Class of2016
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Feller at a glance
- Provider
- John Feller
- Credential
- M.D.
- Specialty
- Cardiovascular Disease (Cardiology)
- Procedures
- Cardiology CPT codes
- Location
- Seattle, WA
- Medical school
- Boston University School of Medicine
- Graduated
- 2016
- NPI registered
- 2016
- NPI
- 1447612775
- 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 Feller practice?
John Feller, M.D. is based in Seattle, WA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Feller's NPI number?
John Feller's National Provider Identifier (NPI) is 1447612775, registered in 2016. Specialty on record: Cardiovascular Disease (Cardiology); credential M.D.
Where did John Feller go to medical school?
John Feller, M.D. attended Boston University School of Medicine, graduating in 2016.
How many Cardiology providers in Washington work at ambulatory surgery centers?
39 Cardiology surgeons and proceduralists in Washington are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Feller among them. The Washington Cardiology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete John Feller analysis
Tell us where to send it. Our team will prepare an analysis of John Feller 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.