DR. JOHN CHRISTIAN HARDIE PH.D.
NPI 1376732255
Psychologist in Chicago, IL
About Dr. John Christian Hardie Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CHRISTIAN HARDIE PH.D. (NPI 1376732255) is an individual psychologist in Chicago, Illinois, licensed in Illinois (071007352) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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 (PECOS)
Dr. John Christian Hardie Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Hardie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Northbrook, IL 60062
- Reassigned Medicare billing, Illinois enrollment
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
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.
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 Hardie's NPI number?
The NPI number for John Hardie is 1376732255. It was assigned to this individual provider in the NPPES registry on October 17, 2007.
Where is John Hardie located?
John Hardie practices at 85 Revere Drive Suite 108, Chicago, IL 60657. The listed phone number is (847) 559-9343.
What is John Hardie's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is John Hardie enrolled in Medicare?
Yes. John Hardie is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Hardie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hardie reassigns Medicare benefits to John Hardie Phd Clinical Psychologist LLC (Northbrook, 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 Hardie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Hardie accept?
Health plans from Oscar Health list John Hardie 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 Hardie was last updated on May 14, 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.