DR. JOHN NICHOLAS KIRIKLAKIS M.D.
NPI 1730189713
Internal Medicine in Vernon Hills, IL
About Dr. John Nicholas Kiriklakis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN NICHOLAS KIRIKLAKIS M.D. (NPI 1730189713) is an individual internal medicine provider in Vernon Hills, Illinois, licensed in Illinois (036-100938) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. John Nicholas Kiriklakis 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 Kiriklakis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILSwedish Hospital
Acute Care Hospitals · Chicago, ILNorthwestern Lake Forest Hospital
Acute Care Hospitals · Lake Forest, ILNorthwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60061 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
VERNON HILLS, IL 60061
VERNON HILLS, IL 60061
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 Kiriklakis's NPI number?
The NPI number for John Kiriklakis is 1730189713. It was assigned to this individual provider in the NPPES registry on July 29, 2005.
Where is John Kiriklakis located?
John Kiriklakis practices at 225 N Milwaukee Ave, Vernon Hills, IL 60061. The listed phone number is (847) 941-7600.
What is John Kiriklakis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Kiriklakis enrolled in Medicare?
Yes. John Kiriklakis 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 Kiriklakis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Kiriklakis reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, 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 Kiriklakis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Kiriklakis accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list John Kiriklakis 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.
Is John Kiriklakis affiliated with any hospitals?
According to CMS data, John Kiriklakis is affiliated with Northshore University Healthsystem - Evanston Hospital, Swedish Hospital, Northwestern Lake Forest Hospital and Northwest Community Hospital 1.
When was this NPI record last updated?
The NPPES record for John Kiriklakis was last updated on February 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.