MARYANN COOK M.A., L.C.P.C.
NPI 1184899387
Counselor - Professional in Channahon, IL
About Maryann Cook M.a., L.c.p.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYANN COOK M.A., L.C.P.C. (NPI 1184899387) is an individual professional provider in Channahon, Illinois, licensed in Illinois (180006876) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
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
Maryann Cook M.a., L.c.p.c. 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 Maryann Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Channahon, IL 60410
- Reassigned Medicare billing, Illinois enrollment
- 24 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 2
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 Maryann Cook's NPI number?
The NPI number for Maryann Cook is 1184899387. It was assigned to this individual provider in the NPPES registry on April 28, 2008.
Where is Maryann Cook located?
Maryann Cook practices at 23157 S Thomas Dillon Dr, Channahon, IL 60410. The listed phone number is (815) 467-8181.
What is Maryann Cook's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Maryann Cook enrolled in Medicare?
Yes. Maryann Cook 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 Maryann Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryann Cook reassigns Medicare benefits to Alliance Counseling & Coaching Of Illinois, PLLC (Channahon, 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 Maryann Cook'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 Maryann Cook was last updated on December 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Maryann Cook, M.A., L.C.P.C. · NPI 1184899387
Professional provider in Channahon, Illinois. Individual provider, active in the CMS NPPES registry since April 28, 2008.
## Identity
- **NPI:** 1184899387 (Entity type: Individual)
- **Enumerated:** April 28, 2008
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 180006876 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 23157 S THOMAS DILLON DR, Channahon, IL 60410-3132
- **Phone:** (815) 467-8181 · **Fax:** (818) 828-5696
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Alliance Counseling & Coaching Of Illinois, PLLC (NPI 1063867257, Channahon, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** December 2, 2008
---
Source: [NPI Profile](https://npiprofile.com/npi/1184899387) · Data from the CMS NPPES public registry.