John KarwowskiMD
Vascular Surgery·Baltimore, MD
John Karwowski, MD is a Vascular Surgery provider in Baltimore, MD affiliated with 1 ambulatory surgery center in MD, as of July 2026.
- NPI1932123882
- Registered2006
- Centers1
- StateMD
- Class of1995
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
John Karwowski at a glance
- Provider
- John Karwowski
- Credential
- MD
- Specialty
- Vascular Surgery
- Location
- Baltimore, MD
- Medical school
- Tufts University School of Medicine
- Graduated
- 1995
- NPI registered
- 2006
- NPI
- 1932123882
- 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 Karwowski practice?
John Karwowski, MD is based in Baltimore, MD and is affiliated with 1 ambulatory surgery center: Dialysis Access Services LLC in Baltimore, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Karwowski's NPI number?
John Karwowski's National Provider Identifier (NPI) is 1932123882, registered in 2006. Specialty on record: Vascular Surgery; credential MD.
Where did John Karwowski go to medical school?
John Karwowski, MD attended Tufts University School of Medicine, graduating in 1995.
How many Vascular Surgery providers in Maryland work at ambulatory surgery centers?
30 Vascular Surgery surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Karwowski among them. The Maryland Vascular Surgery directory lists each one by city with credential, NPI, and center affiliations.
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