FRED J. HALLORAN, MD, SC
NPI 1295906774
Clinic/Center - Primary Care in Huntley, IL
About Fred J. Halloran, Md, Sc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRED J. HALLORAN, MD, SC (NPI 1295906774) is a healthcare organization registered as a primary care in Huntley, Illinois and active in the NPI registry since March 2008. The organization lists Fred J. Halloran, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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)
Fred J. Halloran, Md, Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Fred J. Halloran, MD, Sc, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
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 Fred J. Halloran, MD, Sc's NPI number?
The NPI number for Fred J. Halloran, MD, Sc is 1295906774. It was assigned to this organization in the NPPES registry on March 12, 2008.
Where is Fred J. Halloran, MD, Sc located?
Fred J. Halloran, MD, Sc is located at 11904 Oak Creek Pkwy, Huntley, IL 60142. The listed phone number is (847) 506-1478.
What is Fred J. Halloran, MD, Sc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Fred J. Halloran, MD, Sc enrolled in Medicare?
Yes. Fred J. Halloran, MD, Sc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Fred J. Halloran, MD, Sc?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Fred J. Halloran, MD, Sc, in Internal Medicine and Nurse Practitioner. 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 at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Fred J. Halloran, MD, Sc was last updated on January 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Fred J. Halloran, Md, Sc · NPI 1295906774
Primary Care organization in Huntley, Illinois. Organization record, active in the CMS NPPES registry since March 12, 2008.
## Identity
- **NPI:** 1295906774 (Entity type: Organization)
- **Enumerated:** March 12, 2008
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Fred Halloran, OWNER
## Practice location
- **Address:** 11904 OAK CREEK PKWY, Huntley, IL 60142-6728
- **Phone:** (847) 506-1478 · **Fax:** (224) 858-4001
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (1), Nurse Practitioner (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 17, 2024
- **Other identifiers:** Medicaid 036081972 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1295906774) · Data from the CMS NPPES public registry.