DR. JOHN DAMEN MAHONEY M.D.
NPI 1093767659
Specialist in Peoria, IL
About Dr. John Damen Mahoney M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN DAMEN MAHONEY M.D. (NPI 1093767659) is an individual specialist in Peoria, Illinois, licensed in Illinois (0361156696) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. John Damen Mahoney M.d. 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 Mahoney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
PEORIA, IL 61614
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 Mahoney's NPI number?
The NPI number for John Mahoney is 1093767659. It was assigned to this individual provider in the NPPES registry on May 16, 2006.
Where is John Mahoney located?
John Mahoney practices at 6000 N Allen Road, Peoria, IL 61614. The listed phone number is (309) 691-1400.
What is John Mahoney's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is John Mahoney enrolled in Medicare?
Yes. John Mahoney 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 Mahoney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mahoney reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Mahoney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Mahoney was last updated on December 31, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.