Leonard WeinstockMD
Gastroenterology·Creve Coeur, MO
Leonard Weinstock, MD is a Gastroenterology provider in Creve Coeur, MO affiliated with 2 ambulatory surgery centers in MO, as of July 2026.
- NPI1467566703
- Registered2006
- Centers2
- StateMO
- Class of1981
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.
Leonard Weinstock at a glance
- Provider
- Leonard Weinstock
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Creve Coeur, MO
- Medical school
- University of Rochester School of Medicine and Dentistry
- Graduated
- 1981
- NPI registered
- 2006
- NPI
- 1467566703
- 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 Leonard Weinstock practice?
Leonard Weinstock, MD is based in Creve Coeur, MO and is affiliated with 2 ambulatory surgery centers: Advanced Endoscopy Center in Creve Coeur, MO and Mason Ridge Ambulatory Surgery Center Dba Gateway Endoscopy Center in Saint Louis, MO. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Leonard Weinstock's NPI number?
Leonard Weinstock's National Provider Identifier (NPI) is 1467566703, registered in 2006. Specialty on record: Gastroenterology; credential MD.
Where did Leonard Weinstock go to medical school?
Leonard Weinstock, MD attended University of Rochester School of Medicine and Dentistry, graduating in 1981.
How many Gastroenterology providers in Missouri work at ambulatory surgery centers?
82 Gastroenterology surgeons and proceduralists in Missouri are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Leonard Weinstock among them. The Missouri Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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