JOHN RAYMOND CAHILL III
NPI 1821601857
Counselor - Professional in Northfield, IL
About John Raymond Cahill Iii NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN RAYMOND CAHILL III (NPI 1821601857) is an individual professional provider in Northfield, Illinois, licensed in Illinois (180015993) and active in the NPI registry since August 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Raymond Cahill Iii is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Cahill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Northfield, IL 60093
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: The Josselyn Center Nfp
- 138 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Cahill's NPI number?
The NPI number for John Cahill is 1821601857. It was assigned to this individual provider in the NPPES registry on August 28, 2020.
Where is John Cahill located?
John Cahill practices at 405 Central Ave, Northfield, IL 60093. The listed phone number is (847) 441-5600.
What is John Cahill's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is John Cahill enrolled in Medicare?
Yes. John Cahill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Cahill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Cahill reassigns Medicare benefits to The Josselyn Center (Northfield, IL). The 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 John Cahill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Cahill accept?
Health plans from Oscar Health list John Cahill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for John Cahill was last updated on May 13, 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.
# John Raymond Cahill III · NPI 1821601857
Professional provider in Northfield, Illinois. Individual provider, active in the CMS NPPES registry since August 28, 2020.
## Identity
- **NPI:** 1821601857 (Entity type: Individual)
- **Enumerated:** August 28, 2020
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 180015993 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 405 CENTRAL AVE, Northfield, IL 60093-3006
- **Phone:** (847) 441-5600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** The Josselyn Center (NPI 1881276814, Northfield, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 13, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1821601857) · Data from the CMS NPPES public registry.