Dr. Gary Altwerger, MD — OB-GYN Doctor in Chicago, IL
OB-GYN
14 years since NPI enrollment Chicago, IL
- NPI:
- 1157240585
- State license:
- 036176993 (IL)
- Taxonomy:
- Obstetrics & Gynecology, Gynecologic Oncology
Information last reviewed: June 2026
Sources: NPPES NPI Registry, IL state licensing board, provider-submitted updates, and public practice website.
Insurance participation and appointment availability may change. Please confirm directly with the provider before scheduling.
About this provider
OB-GYN provider in Chicago, IL. Taxonomy: Obstetrics & Gynecology, Gynecologic Oncology. Enrolled with CMS since 2012. License 036176993 (IL). NPI: 1407114630.
Practice address
5841 S MARYLAND AVE
Chicago, IL 60637
(888) 824-0200
Data source
This profile is sourced from the public CMS NPI Registry. We display only fields that the registry publishes. Insurance participation, languages spoken, hours, telehealth availability, and ratings are not part of NPI data and are not shown here. Confirm those details directly with the provider's office.