DR. TIMOTHY M COTTER M.D.
NPI 1790769511
Radiology - Diagnostic Radiology in Chicago, IL
About Dr. Timothy M Cotter M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY M COTTER M.D. (NPI 1790769511) is an individual diagnostic radiology provider in Chicago, Illinois, licensed in Illinois (036-099889) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Timothy M Cotter M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Timothy Cotter reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60608
- Reassigned Medicare billing, Illinois enrollment
- 646 clinicians in this Medicare group
Chicago, IL 60611
- Reassigned Medicare billing, Illinois and Rhode Island enrollments
- 59 clinicians in this Medicare group
Bannockburn, IL 60015
- Reassigned Medicare billing, Illinois enrollment
- 538 clinicians in this Medicare group
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan and Rhode Island enrollments
- 73 clinicians in this Medicare group
Scottsdale, AZ 85251
- Reassigned Medicare billing, Rhode Island enrollment
- 2 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 60608 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60608
CHICAGO, IL 60608
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 Cotter's NPI number?
The NPI number for Timothy Cotter is 1790769511. It was assigned to this individual provider in the NPPES registry on December 5, 2005.
Where is Timothy Cotter located?
Timothy Cotter practices at 1501 S California Ave, Chicago, IL 60608. The listed phone number is (773) 257-6498.
What is Timothy Cotter's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Timothy Cotter enrolled in Medicare?
Yes. Timothy Cotter is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Timothy Cotter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Cotter reassigns Medicare benefits to 5 organizations: Mount Sinai Community Foundation (Chicago, IL), Howard Simon MD PLLC (Chicago, IL), Illinois Bone And Joint Institute LLC (Bannockburn, IL), Basha Diagnostics P C (Royal Oak, MI) and Smi Imaging, LLC (Scottsdale, AZ). 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 Cotter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Cotter accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Timothy Cotter 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.
When was this NPI record last updated?
The NPPES record for Timothy Cotter was last updated on August 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Timothy M Cotter, M.D. · NPI 1790769511
Diagnostic Radiology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since December 5, 2005.
## Identity
- **NPI:** 1790769511 (Entity type: Individual)
- **Enumerated:** December 5, 2005
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 036-099889 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1501 S CALIFORNIA AVE, Chicago, IL 60608-1732
- **Phone:** (773) 257-6498
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Mount Sinai Community Foundation (NPI 1104858125, Chicago, IL); Howard Simon MD PLLC (NPI 1659930998, Chicago, IL); Illinois Bone And Joint Institute LLC (NPI 1205922432, Bannockburn, IL); Basha Diagnostics P C (NPI 1770693798, Royal Oak, MI); Smi Imaging, LLC (NPI 1972004489, Scottsdale, AZ) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 15, 2008
- **Other identifiers:** Medicare ID-Type Unspecified K22795/357801 (IL); Medicaid 036-099889-1 (IL); Medicare UPIN H31525 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1790769511) · Data from the CMS NPPES public registry.