CHARLES M DAVIS M.D.
NPI 1447240171
Radiology - Diagnostic Radiology in Rockford, IL
About Charles M Davis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES M DAVIS M.D. (NPI 1447240171) is an individual diagnostic radiology provider in Rockford, Illinois, licensed in South Carolina (056888) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Thorek Memorial Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Charles M Davis 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
36Medicare enrollment records show Charles Davis reassigns Medicare billing to 36 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Harvard, IL 60033
- Reassigned Medicare billing, Illinois enrollment
- 382 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Illinois enrollment
- 671 clinicians in this Medicare group
Freeport, IL 61032
- Reassigned Medicare billing, South Carolina enrollment
Chicago, IL 60622
- Reassigned Medicare billing, Illinois and South Carolina enrollments
- 154 clinicians in this Medicare group
Chicago, IL 60613
- Reassigned Medicare billing, Illinois enrollment
- 48 clinicians in this Medicare group
Normal, IL 61761
- Reassigned Medicare billing, South Carolina enrollment
- 2 clinicians in this Medicare group
Danville, IL 61832
- Reassigned Medicare billing, Illinois enrollment
- 28 clinicians in this Medicare group
Chrisman, IL 61924
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1679502322 (Illinois)
- 216 clinicians in this Medicare group
Iron Mountain, MI 49801
- Reassigned Medicare billing, South Carolina enrollment
- 6 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 31
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.
Thorek Memorial Hospital
Acute Care Hospitals · Chicago, ILJavon Bea Hospital
Acute Care Hospitals · Rockford, ILMclaren Bay Region
Acute Care Hospitals · Bay City, MISamaritan Medical Center
Acute Care Hospitals · Watertown, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61114 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.
ROCKFORD, IL 61114
ROCKFORD, IL 61114
ROCKFORD, IL 61114
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 Charles Davis's NPI number?
The NPI number for Charles Davis is 1447240171. It was assigned to this individual provider in the NPPES registry on October 25, 2005.
Where is Charles Davis located?
Charles Davis practices at 8201 E Riverside Blvd, Rockford, IL 61114. The listed phone number is (815) 971-7000.
What is Charles Davis's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Charles Davis enrolled in Medicare?
Yes. Charles Davis 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 Charles Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Davis reassigns Medicare benefits to 36 organizations: Rockford Health Physicians (Rockford, IL), Mercy Harvard Hospital Inc (Harvard, IL), Mercy Health System Corporation (Janesville, WI), Freeport Memorial Hospital (Freeport, IL), Humboldt Park Health (Chicago, IL) and 31 more organizations, listed in the Medicare section above. 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 Charles Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Davis accept?
Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, Cigna HealthCare of Arizona, Inc, Cigna Healthcare and Imperial Insurance Companies, Inc. and 1 other insurer list Charles Davis 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 Charles Davis affiliated with any hospitals?
According to CMS data, Charles Davis is affiliated with Thorek Memorial Hospital, Javon Bea Hospital, Mclaren Bay Region and Samaritan Medical Center.
When was this NPI record last updated?
The NPPES record for Charles Davis was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Charles M Davis, M.D. · NPI 1447240171
Diagnostic Radiology physician in Rockford, Illinois. Individual provider, active in the CMS NPPES registry since October 25, 2005.
## Identity
- **NPI:** 1447240171 (Entity type: Individual)
- **Enumerated:** October 25, 2005
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 056888 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 8201 E RIVERSIDE BLVD, Rockford, IL 61114-2300
- **Phone:** (815) 971-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 36 organizations under Medicare reassignment (form CMS-855R): Rockford Health Physicians (NPI 1043242886, Rockford, IL); Mercy Harvard Hospital Inc (NPI 1427001445, Harvard, IL); Mercy Health System Corporation (NPI 1598718603, Janesville, WI); Freeport Memorial Hospital (NPI 1447228788, Freeport, IL); Humboldt Park Health (NPI 1740417153, Chicago, IL); and 31 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical University Of South Carolina College Of Medicine, class of 1969
## Record status
- **NPPES last updated:** August 5, 2025
- **Other identifiers:** Medicaid 056888 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1447240171) · Data from the CMS NPPES public registry.