EDWIN JOHN COOK D.O.
NPI 1508952011
Internal Medicine - Nephrology in Olympia Fields, IL
About Edwin John Cook D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EDWIN JOHN COOK D.O. (NPI 1508952011) is an individual nephrology provider in Olympia Fields, Illinois, licensed in Illinois (036054673) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Edwin John Cook D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Edwin Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 4,870 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 60461 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
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 Edwin Cook's NPI number?
The NPI number for Edwin Cook is 1508952011. It was assigned to this individual provider in the NPPES registry on October 4, 2006. The provider is also known as Edwin J Cook D.O..
Where is Edwin Cook located?
Edwin Cook practices at 4001 Vollmer Rd., Olympia Fields, IL 60461. The listed phone number is (708) 481-8883.
What is Edwin Cook's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Edwin Cook enrolled in Medicare?
Yes. Edwin Cook is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Edwin Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Edwin Cook reassigns Medicare benefits to Advocate Health And Hospitals Corporation (Oak Lawn, 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 Edwin 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 Edwin Cook was last updated on July 22, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Edwin John Cook, D.O. · NPI 1508952011
Nephrology physician in Olympia Fields, Illinois. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1508952011 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 036054673 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4001 VOLLMER RD., Olympia Fields, IL 60461
- **Phone:** (708) 481-8883 · **Fax:** (708) 481-2917
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Advocate Health And Hospitals Corporation (NPI 1174747075, Oak Lawn, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 22, 2015
- **Other identifiers:** Medicare UPIN D14332 (IL); Medicare ID-Type Unspecified 649872 (IL); Medicaid 036054673 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1508952011) · Data from the CMS NPPES public registry.