DR. TIMOTHY CHUNG COOPER M.D.
NPI 1225456296
Internal Medicine in Brookfield, WI
About Dr. Timothy Chung Cooper M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY CHUNG COOPER M.D. (NPI 1225456296) is an individual internal medicine provider in Brookfield, Wisconsin, licensed in Wisconsin (69423-20) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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. Timothy Chung Cooper 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
3Medicare enrollment records show Timothy Cooper reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 clinicians in this Medicare group
Green Bay, WI 54311
- Reassigned Medicare billing, Wisconsin enrollment
- 394 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 11
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Waukesha Memorial Hospital
Acute Care Hospitals · Waukesha, WIAurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIWest Allis Memorial Hospital
Acute Care Hospitals · West Allis, WIAurora Medical Center - Summit
Acute Care Hospitals · Summit, WIAurora Medical Center
Acute Care Hospitals · Grafton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53005 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 2
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.
BROOKFIELD, WI 53005
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 Timothy Cooper's NPI number?
The NPI number for Timothy Cooper is 1225456296. It was assigned to this individual provider in the NPPES registry on April 6, 2014.
Where is Timothy Cooper located?
Timothy Cooper practices at 16985 W Bluemound Rd, Brookfield, WI 53005. The listed phone number is (262) 641-8400.
What is Timothy Cooper's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Timothy Cooper enrolled in Medicare?
Yes. Timothy Cooper 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 Timothy Cooper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Cooper reassigns Medicare benefits to 3 organizations: Aurora Medical Group, Inc. (West Allis, WI), Aurora Advanced Healthcare, Inc. (Milwaukee, WI) and Baycare Aurora, LLC (Green Bay, WI). 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 Timothy Cooper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Cooper accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Timothy Cooper 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 Timothy Cooper affiliated with any hospitals?
According to CMS data, Timothy Cooper is affiliated with Waukesha Memorial Hospital, Aurora St Lukes Medical Center, West Allis Memorial Hospital, Aurora Medical Center - Summit and Aurora Medical Center.
When was this NPI record last updated?
The NPPES record for Timothy Cooper was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.