John CassidyM.D.
Neurosurgery·Venice, FL
John Cassidy, M.D. is a Neurosurgery provider in Venice, FL affiliated with 1 ambulatory surgery center in FL, as of July 2026.
- NPI1518067727
- Registered2006
- Centers1
- StateFL
- Class of1980
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 Cassidy at a glance
- Provider
- John Cassidy
- Credential
- M.D.
- Specialty
- Neurosurgery
- Procedures
- Neurosurgery CPT codes
- Location
- Venice, FL
- Medical school
- Virginia Commonwealth University, School of Medicine
- Graduated
- 1980
- NPI registered
- 2006
- NPI
- 1518067727
- 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 Cassidy practice?
John Cassidy, M.D. is based in Venice, FL and is affiliated with 1 ambulatory surgery center: Advanced Surgery Center Of Sarasota LLC in Sarasota, FL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Cassidy's NPI number?
John Cassidy's National Provider Identifier (NPI) is 1518067727, registered in 2006. Specialty on record: Neurosurgery; credential M.D.
Where did John Cassidy go to medical school?
John Cassidy, M.D. attended Virginia Commonwealth University, School of Medicine, graduating in 1980.
How many Neurosurgery providers in Florida work at ambulatory surgery centers?
119 Neurosurgery surgeons and proceduralists in Florida are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Cassidy among them. The Florida Neurosurgery directory lists each one by city with credential, NPI, and center affiliations.
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