Robert Weiss
Robert Weiss is a Gastroenterology provider in Holyoke, MA affiliated with 1 ambulatory surgery center in MA, as of July 2026.
- NPI1861575953
- Registered2006
- Centers1
- StateMA
- Class of1985
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.
Robert Weiss at a glance
- Provider
- Robert Weiss
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Holyoke, MA
- Medical school
- Columbia University College of Physicians and Surgeons
- Graduated
- 1985
- NPI registered
- 2006
- NPI
- 1861575953
- 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 Robert Weiss practice?
Robert Weiss is based in Holyoke, MA and is affiliated with 1 ambulatory surgery center: Pioneer Valley Surgicenter LLC in Springfield, MA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Robert Weiss's NPI number?
Robert Weiss's National Provider Identifier (NPI) is 1861575953, registered in 2006. Specialty on record: Gastroenterology.
Where did Robert Weiss go to medical school?
Robert Weiss attended Columbia University College of Physicians and Surgeons, graduating in 1985.
How many Gastroenterology providers in Massachusetts work at ambulatory surgery centers?
20 Gastroenterology surgeons and proceduralists in Massachusetts are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Robert Weiss among them. The Massachusetts Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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