DR. GRADY M. WICK M.D.
NPI 1659575108
Internal Medicine - Nephrology in Elk Grove Village, IL
About Dr. Grady M. Wick M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRADY M. WICK M.D. (NPI 1659575108) is an individual nephrology provider in Elk Grove Village, Illinois, licensed in Illinois (036115166) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains a secondary practice location in Hoffman Estates.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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. Grady M. Wick M.d. 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 Reassignments
2Medicare enrollment records show Grady Wick reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- 161 clinicians in this Medicare group
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- 26 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 14
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILAlexian Brothers Medical Center 1
Acute Care Hospitals · Elk Grove Village, ILSt Alexius Medical Center
Acute Care Hospitals · Hoffman Estates, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
ELK GROVE VILLAGE, IL 60007
ELK GROVE VILLAGE, IL 60007
ELK GROVE VILLAGE, IL 60007
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 Grady Wick's NPI number?
The NPI number for Grady Wick is 1659575108. It was assigned to this individual provider in the NPPES registry on June 11, 2007.
Where is Grady Wick located?
Grady Wick practices at 901 Biesterfield Rd Suite 310, Elk Grove Village, IL 60007. The listed phone number is (847) 952-9332.
What is Grady Wick's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Grady Wick enrolled in Medicare?
Yes. Grady Wick 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 organizations bill Medicare for Grady Wick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grady Wick reassigns Medicare benefits to 2 organizations: Nephrology Associates Of Northern Illinois, Ltd. (Oak Brook, IL) and Nani Elk Grove (Oak Brook, IL). Each 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 Grady Wick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grady Wick accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Grady Wick as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Grady Wick affiliated with any hospitals?
According to CMS data, Grady Wick is affiliated with Northwestern Medicine Central Dupage Hospital, Northwest Community Hospital 1, Alexian Brothers Medical Center 1 and St Alexius Medical Center.
When was this NPI record last updated?
The NPPES record for Grady Wick was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.