ACCESS HEALTH GROUP LTD
NPI 1538735998
Obstetrics & Gynecology in Downers Grove, IL
About Access Health Group Ltd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ACCESS HEALTH GROUP LTD (NPI 1538735998), doing business as Access Health Center Ltd, is a healthcare organization registered as an obstetrics & gynecology in Downers Grove, Illinois and active in the NPI registry since May 2021. The organization holds a CLIA Waiver certificate valid through December 8, 2027 and lists Catherine Liu, Practice Administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Access Health Group Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Access Health Group Ltd, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 14D2242637
Access Health Group, Ltd · Downers Grove, ILFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Access Health Group Ltd's NPI number?
The NPI number for Access Health Group Ltd is 1538735998. It was assigned to this organization in the NPPES registry on May 27, 2021. The provider is doing business as Access Health Center Ltd and Access Health Ctr Ltd.
Where is Access Health Group Ltd located?
Access Health Group Ltd is located at 1700 75th St, Downers Grove, IL 60516. The listed phone number is (630) 964-0000.
What is Access Health Group Ltd's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Access Health Group Ltd enrolled in Medicare?
Yes. Access Health Group Ltd is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Access Health Group Ltd?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Access Health Group Ltd, in Family Practice and Obstetrics/Gynecology. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Access Health Group Ltd hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 14D2242637) is associated with this NPI, valid through December 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Access Health Group Ltd was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Access Health Group Ltd · NPI 1538735998
Obstetrics & Gynecology organization in Downers Grove, Illinois. Organization record, active in the CMS NPPES registry since May 27, 2021.
## Identity
- **NPI:** 1538735998 (Entity type: Organization)
- **Enumerated:** May 27, 2021
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Also known as:** Access Health Center Ltd (Doing Business As); Access Health Ctr Ltd (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Catherine Liu, PRACTICE ADMINISTRATOR
## Practice location
- **Address:** 1700 75TH ST, Downers Grove, IL 60516-6232
- **Phone:** (630) 964-0000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (2), Obstetrics/Gynecology (2); 1 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 22, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1538735998) · Data from the CMS NPPES public registry.