MARY EMMA COOK LCSW
NPI 1356016679
Social Worker - Clinical in Chicago, IL
About Mary Emma Cook Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY EMMA COOK LCSW (NPI 1356016679) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149.026419) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Orland Park, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Mary Emma Cook Lcsw 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 Mary Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orland Park, IL 60462
- Reassigned Medicare billing, Illinois enrollment
- 5 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60615 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
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 Mary Cook's NPI number?
The NPI number for Mary Cook is 1356016679. It was assigned to this individual provider in the NPPES registry on August 9, 2021.
Where is Mary Cook located?
Mary Cook practices at 5341 S Maryland Ave, Chicago, IL 60615. The listed phone number is (708) 803-2682.
What is Mary Cook's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mary Cook enrolled in Medicare?
Yes. Mary 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 Mary Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Cook reassigns Medicare benefits to Emotion Management Program LLC (Orland Park, 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 Mary 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 Mary Cook was last updated on July 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Mary Emma Cook, LCSW · NPI 1356016679
Clinical provider in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since August 9, 2021.
## Identity
- **NPI:** 1356016679 (Entity type: Individual)
- **Enumerated:** August 9, 2021
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 149.026419 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5341 S MARYLAND AVE, Chicago, IL 60615-4903
- **Phone:** (708) 803-2682
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Emotion Management Program LLC (NPI 1083780522, Orland Park, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 3, 2026
- **Other identifiers:** Other 15371756
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Source: [NPI Profile](https://npiprofile.com/npi/1356016679) · Data from the CMS NPPES public registry.