DR. TIMOTHY ALAN MIKESELL M.D.
NPI 1669811220
Radiology - Diagnostic Radiology in Springfield, IL
About Dr. Timothy Alan Mikesell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY ALAN MIKESELL M.D. (NPI 1669811220) is an individual diagnostic radiology provider in Springfield, Illinois, licensed in Illinois (125.062755) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Floyd Valley Healthcare, and is a graduate of Southern Illinois University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
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 Alan Mikesell 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 Timothy Mikesell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartington, NE 68739
- Reassigned Medicare billing, Nebraska and South Dakota enrollments
- Also billed through NPI 1003585548 (South Dakota)
- 42 clinicians in this Medicare group
O'neill, NE 68763
- Reassigned Medicare billing, Nebraska enrollment
- 86 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 80
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.
Floyd Valley Healthcare
Critical Access Hospitals · Le Mars, IAAvera St Anthony's Hospital
Critical Access Hospitals · O' Neill, NEAvera Sacred Heart Hospital
Acute Care Hospitals · Yankton, SDWagner Community Memorial Hospital - Cah
Critical Access Hospitals · Wagner, SDAvera Gregory Hospital
Critical Access Hospitals · Gregory, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62702 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.
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 Mikesell's NPI number?
The NPI number for Timothy Mikesell is 1669811220. It was assigned to this individual provider in the NPPES registry on June 17, 2013.
Where is Timothy Mikesell located?
Timothy Mikesell practices at 701 N 1st St, Springfield, IL 62702. The listed phone number is (217) 757-2387.
What is Timothy Mikesell's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Timothy Mikesell enrolled in Medicare?
Yes. Timothy Mikesell 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 Mikesell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Mikesell reassigns Medicare benefits to 2 organizations: Sacred Heart Health Services (Hartington, NE) and Avera St Anthonys Hospital (O'neill, NE). 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 Mikesell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Mikesell accept?
Health plans from Avera Health Plans, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Timothy Mikesell 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 Mikesell affiliated with any hospitals?
According to CMS data, Timothy Mikesell is affiliated with Floyd Valley Healthcare, Avera St Anthony's Hospital, Avera Sacred Heart Hospital, Wagner Community Memorial Hospital - Cah and Avera Gregory Hospital.
When was this NPI record last updated?
The NPPES record for Timothy Mikesell was last updated on June 17, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.