JOHN T. DORSEY MD
NPI 1144330333
Internal Medicine in Rockford, IL
About John T. Dorsey Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN T. DORSEY MD (NPI 1144330333) is an individual internal medicine provider in Rockford, Illinois and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Javon Bea Hospital, and is a graduate of George Washington University School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
John T. Dorsey Md 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 John Dorsey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockford, IL 61103
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Javon Bea Hospital
Acute Care Hospitals · Rockford, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61103 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 61103
ROCKFORD, IL 61103
ROCKFORD, IL 61103
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 John Dorsey's NPI number?
The NPI number for John Dorsey is 1144330333. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is John Dorsey located?
John Dorsey practices at 2350 N Rockton Ave, Rockford, IL 61103. The listed phone number is (815) 971-7210.
What is John Dorsey's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Dorsey enrolled in Medicare?
Yes. John Dorsey 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 John Dorsey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Dorsey reassigns Medicare benefits to 2 organizations: Rockford Health Physicians (Rockford, IL) and Mercy Health System Corporation (Janesville, 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 John Dorsey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Dorsey accept?
Health plans from Anthem Blue Cross and Blue Shield list John Dorsey 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 John Dorsey affiliated with any hospitals?
According to CMS data, John Dorsey is affiliated with Javon Bea Hospital.
When was this NPI record last updated?
The NPPES record for John Dorsey was last updated on October 29, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# John T. Dorsey, MD · NPI 1144330333
Internal Medicine physician in Rockford, Illinois. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1144330333 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 2350 N ROCKTON AVE, Rockford, IL 61103-3600
- **Phone:** (815) 971-7210
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Rockford Health Physicians (NPI 1023275278, Rockford, IL); Mercy Health System Corporation (NPI 1598718603, Janesville, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1981
## Record status
- **NPPES last updated:** October 29, 2007
- **Other identifiers:** Medicare UPIN D16510 (IL); Medicare PIN 775013 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1144330333) · Data from the CMS NPPES public registry.