GREGORY OBRIEN
NPI 1114793627
Counselor - Mental Health in Frankfort, IL
About Gregory Obrien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY OBRIEN (NPI 1114793627) is an individual mental health provider in Frankfort, Illinois and active in the NPI registry since November 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Group Practice 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
Gregory Obrien 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 Gregory Obrien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Frankfort, IL 60423
- Reassigned Medicare billing, Illinois enrollment
- 12 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gregory Obrien's NPI number?
The NPI number for Gregory Obrien is 1114793627. It was assigned to this individual provider in the NPPES registry on November 27, 2023.
Where is Gregory Obrien located?
Gregory Obrien practices at 10221 W Lincoln Hwy, Frankfort, IL 60423. The listed phone number is (815) 806-7560.
What is Gregory Obrien's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Gregory Obrien enrolled in Medicare?
Yes. Gregory Obrien 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 Gregory Obrien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Obrien reassigns Medicare benefits to Platt Professional Counseling, LLC (Frankfort, 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 Gregory Obrien'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 Gregory Obrien was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.