DR. JOHN CHRISTIAN HARDIE PH.D.
NPI 1376732255
Psychologist in Chicago, IL

Active since October 17, 2007PECOS Enrolled
85 REVERE DRIVE, SUITE 108, CHICAGO, IL 60657(847) 559-9343(773) 913-2395 Get Directions Write a Review

NPPES record last updated: May 14, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 14, 2021, Feb 20, 2017 (2 updates tracked since 2017).

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

NPI1376732255
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. JOHN CHRISTIAN HARDIECredential: PH.D.
Location Address85 REVERE DRIVE, SUITE 108Chicago, IL 60657
Mailing Address3100 N Sheridan Rd, Apt. 9eChicago, IL 60657-4954 · (312) 810-5646 · Fax (773) 913-2395
Fax(773) 913-2395
Sole ProprietorYes
Enumeration DateOctober 17, 2007
Last NPPES UpdateMay 14, 20212 updates tracked since enumeration
NPPES CertifiedApril 20, 2021
✔ NPI 1376732255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in IL · 071007352
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · HealthTaxonomy 103TH0004X · License 071007352 (IL)
85 REVERE DRIVE, Chicago, IL 60657

Secondary Practice Location 1

Location 12800 N Sheridan Rd Ste 108Chicago, IL 60657-6183 · Phone (847) 559-9343 · Fax (773) 913-2395

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Clinical
85 REVERE DR STE G
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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
270 services13 patients

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.