Blair LewisM.D.

Gastroenterology·New York, NY

Blair Lewis, M.D. is a Gastroenterology provider in New York, NY affiliated with 3 ambulatory surgery centers in NY, as of July 2026.

NPI1689765521
Registered2006
Centers3
StateNY
Class of1982

See full profile in Insights Request a pilot analysis

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.

The Endoscopy Center Of New YorkNew York, NY · Gastroenterology · 30 on panelView center →
Carnegie Hill EndoscopyNew York, NY · Gastroenterology · 30 on panelView center →
Uws ASC LLC Dba Upper West Side EndoscopyNew York, NY · Gastroenterology · 30 on panelView center →

Blair Lewis at a glance

Provider: Blair Lewis
Credential: M.D.
Specialty: Gastroenterology
Procedures: Gastroenterology CPT codes
Location: New York, NY
Medical school graduation: 1982
NPI registered: 2006
NPI: 1689765521
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 Blair Lewis practice?

Blair Lewis, M.D. is based in New York, NY and is affiliated with 3 ambulatory surgery centers: The Endoscopy Center Of New York in New York, NY, Carnegie Hill Endoscopy in New York, NY, and Uws ASC LLC Dba Upper West Side Endoscopy in New York, NY. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.

What is Blair Lewis's NPI number?

Blair Lewis's National Provider Identifier (NPI) is 1689765521, registered in 2006. Specialty on record: Gastroenterology; credential M.D.

How many Gastroenterology providers in New York work at ambulatory surgery centers?

267 Gastroenterology surgeons and proceduralists in New York are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Blair Lewis among them. The New York Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.

Pilot Analysis

Get the complete Blair Lewis analysis

Tell us where to send it. Our team will prepare an analysis of Blair Lewis 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.