John O'BrienMD

Orthopedic Surgery·Hartford, CT

John O'Brien, MD is an Orthopedic Surgery provider in Hartford, CT affiliated with 2 ambulatory surgery centers in CT, as of July 2026.

NPI1992769087
Registered2006
Centers2
StateCT

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Ambulatory surgery centers

Centers whose service lines match this provider’s. Affiliations change; verify independently.

Hhc Hartford Surgery Center LLCHartford, CT · Orthopedics, Pain management, Podiatry, Spine · 30 on panelView center →
Lighthouse Surgery CenterHartford, CT · Orthopedics, Pain management · 30 on panelView center →

John O'Brien at a glance

Provider: John O'Brien
Credential: MD
Specialty: Orthopaedic Surgery
Procedures: Orthopedic Surgery CPT codes
Location: Hartford, CT
NPI registered: 2006
NPI: 1992769087
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 O'Brien practice?

John O'Brien, MD is based in Hartford, CT and is affiliated with 2 ambulatory surgery centers: Hhc Hartford Surgery Center LLC in Hartford, CT and Lighthouse Surgery Center in Hartford, CT. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.

What is John O'Brien's NPI number?

John O'Brien's National Provider Identifier (NPI) is 1992769087, registered in 2006. Specialty on record: Orthopaedic Surgery; credential MD.

How many Orthopedic Surgery providers in Connecticut work at ambulatory surgery centers?

41 Orthopedic Surgery surgeons and proceduralists in Connecticut are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John O'Brien among them. The Connecticut Orthopedic Surgery directory lists each one by city with credential, NPI, and center affiliations.

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