Gynecology Institute of Chicago Ltd.
NPI 1235573197 · Medical Specialty Clinic/Center · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gynecology Institute of Chicago Ltd. is a Medical Specialty Clinic/Center organization in Chicago, IL (NPI 1235573197).
Provider details
- NPI number
- 1235573197
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Nicole Williams, President(312) 929-9191
- License
- 036116334 (IL)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1351 W Belmont AveChicago, IL 60657-7195Phone: (312) 929-9191Fax: (312) 566-8986
Registry dates
- Enumerated
- 2013-04-23
- Last updated
- 2025-08-06
- Certified
- 2025-08-06
Frequently asked questions
- What is Gynecology Institute of Chicago Ltd.'s NPI number?
- Gynecology Institute of Chicago Ltd.'s National Provider Identifier (NPI) is 1235573197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gynecology Institute of Chicago Ltd.?
- Gynecology Institute of Chicago Ltd. is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Gynecology Institute of Chicago Ltd. located?
- Gynecology Institute of Chicago Ltd.'s practice location on file with NPPES is 680 N Lake Shore Dr Ste 1424, Chicago, IL 60611-8700.
- What is Gynecology Institute of Chicago Ltd.'s phone number?
- The practice phone number listed in the NPPES registry for Gynecology Institute of Chicago Ltd. is (312) 929-9191.
- Does Gynecology Institute of Chicago Ltd. accept Medicare?
- Gynecology Institute of Chicago Ltd. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gynecology Institute of Chicago Ltd.?
- The authorized official listed on Gynecology Institute of Chicago Ltd.'s NPPES record is Nicole Williams, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gynecology Institute of Chicago Ltd.'s NPI active?
- Yes — Gynecology Institute of Chicago Ltd.'s NPI (1235573197) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.