DR. KATHERINE BARBARA JOHNSON MD
NPI 1942400924
Psychiatry & Neurology - Psychiatry in Maywood, IL
About Dr. Katherine Barbara Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE BARBARA JOHNSON MD (NPI 1942400924) is an individual psychiatry provider in Maywood, Illinois, licensed in Illinois (036139574) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Loyola University Medical Center, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses 2
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. Katherine Barbara Johnson Md 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 Katherine Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 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.
Areas of Expertise CMS Part B claims 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Loyola University Medical Center
Acute Care Hospitals · Maywood, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60153 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
MAYWOOD, IL 60153
MAYWOOD, IL 60153
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 Katherine Johnson's NPI number?
The NPI number for Katherine Johnson is 1942400924. It was assigned to this individual provider in the NPPES registry on July 19, 2007.
Where is Katherine Johnson located?
Katherine Johnson practices at 2160 S 1st Ave, Maywood, IL 60153. The listed phone number is (708) 216-9000.
What is Katherine Johnson's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Katherine Johnson enrolled in Medicare?
Yes. Katherine Johnson 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 Katherine Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Johnson reassigns Medicare benefits to Loyola University Medical Center (Maywood, 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 Katherine Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Katherine Johnson affiliated with any hospitals?
According to CMS data, Katherine Johnson is affiliated with Loyola University Medical Center.
When was this NPI record last updated?
The NPPES record for Katherine Johnson was last updated on April 12, 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.