Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MERVYN J. WEIS, MD
ActiveMERVYN J. WEIS, MD is a Gastroenterology healthcare provider located in CHICAGO, Illinois. NPI 1043212954 is currently active in the NPPES registry. Verify at CMS.
Gastroenterology · CHICAGO, IL
Registration Details
- NPI Number
- 1043212954
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Aug 11, 2005 (20.988551317528 yrs)
- Last Updated
- Sep 11, 2025
Practice Information
- Address
-
4640 N MARINE DRSUITE 6100CCHICAGO, IL, 606405719Browse IL providers · Browse ZIP 60640
- Phone
- 7737694411
- Fax
- 7737695140
- Primary Specialty
-
Gastroenterology
207RG0100X
- Additional Specialty
- Gastroenterology
Other Gastroenterology Providers in CHICAGO, IL
| Name | Credential | NPI |
|---|---|---|
| DR. MICHAEL A. RUCHIM | M.D. | 1669470936 |
| DR. PERRY L KAMEL | MD | 1174522866 |
| DR. KRISHNASWAMY ANAND | M.D. | 1720080732 |
| MR. PAUL V FAHRENBACH | MD | 1699768416 |
| DR. KIRAN NIMMAGADDA | MD | 1720071293 |
| DR. JOSEPH J KARACIC | MD | 1992798417 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.