PAI PARTICIPANT 27, PC
NPI 1093398539
Internal Medicine - Geriatric Medicine in Willowbrook, IL
About Pai Participant 27, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAI PARTICIPANT 27, PC (NPI 1093398539) is a healthcare organization registered as a geriatric medicine in Willowbrook, Illinois and active in the NPI registry since May 2021. The organization lists Brittain Brantley, Acting President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Pai Participant 27, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
17Medicare enrollment records show 17 clinicians reassign Medicare billing to Pai Participant 27, PC, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (17)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently 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 Pai Participant 27, PC's NPI number?
The NPI number for Pai Participant 27, PC is 1093398539. It was assigned to this organization in the NPPES registry on May 3, 2021.
Where is Pai Participant 27, PC located?
Pai Participant 27, PC is located at 7050 S Madison St, Willowbrook, IL 60527. The listed phone number is (630) 323-6380.
What is Pai Participant 27, PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Pai Participant 27, PC enrolled in Medicare?
Yes. Pai Participant 27, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Pai Participant 27, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 4 Medicare specialties reassign their Medicare billing to Pai Participant 27, PC. 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. The largest specialties are Nurse Practitioner (11), Internal Medicine (4) and Geriatric Medicine (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Pai Participant 27, PC was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Pai Participant 27, Pc · NPI 1093398539
Geriatric Medicine organization in Willowbrook, Illinois. Organization record, active in the CMS NPPES registry since May 3, 2021.
## Identity
- **NPI:** 1093398539 (Entity type: Organization)
- **Enumerated:** May 3, 2021
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **Organization subpart:** No
- **Authorized official:** Brittain Brantley, ACTING PRESIDENT
## Practice location
- **Address:** 7050 S MADISON ST, Willowbrook, IL 60527-5548
- **Phone:** (630) 323-6380
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 17 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (11), Internal Medicine (4), Geriatric Medicine (1) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1093398539) · Data from the CMS NPPES public registry.