DR. GRAEME DONALD FISHER M.D.
NPI 1659362929
Radiology - Therapeutic Radiology in Mount Vernon, IL
About Dr. Graeme Donald Fisher M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRAEME DONALD FISHER M.D. (NPI 1659362929) is an individual therapeutic radiology provider in Mount Vernon, Illinois, licensed in Illinois (036-115830) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with San Juan Regional Medical Center Inc, and maintains a secondary practice location in Farmington.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Graeme Donald Fisher 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
4Medicare enrollment records show Graeme Fisher reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 6 clinicians in this Medicare group
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 296 clinicians in this Medicare group
Centralia, IL 62801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: St Marys Hospital Centralia Illinois
- 392 clinicians in this Medicare group
Aztec, NM 87410
- Reassigned Medicare billing, New Mexico enrollment
- 368 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
San Juan Regional Medical Center Inc
Acute Care Hospitals · Farmington, NMFrequently 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 Graeme Fisher's NPI number?
The NPI number for Graeme Fisher is 1659362929. It was assigned to this individual provider in the NPPES registry on November 4, 2005.
Where is Graeme Fisher located?
Graeme Fisher practices at 4117 Veterans Memorial Drive, Mount Vernon, IL 62864. The listed phone number is (618) 241-7016.
What is Graeme Fisher's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Therapeutic Radiology, with taxonomy code 2085R0203X.
Is Graeme Fisher enrolled in Medicare?
Yes. Graeme Fisher 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 Graeme Fisher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Graeme Fisher reassigns Medicare benefits to 4 organizations: Mt Vernon Radiation Therapy Center (Mount Vernon, IL), Physician Services Corporation Of Southern Illinois Inc. (Mount Vernon, IL), St. Mary's Hospital, Centralia, Illinois (Centralia, IL) and San Juan Regional Medical Center Inc (Aztec, NM). 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 Graeme Fisher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Graeme Fisher accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Graeme Fisher 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 Graeme Fisher affiliated with any hospitals?
According to CMS data, Graeme Fisher is affiliated with San Juan Regional Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Graeme Fisher was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Graeme Donald Fisher, M.D. · NPI 1659362929
Therapeutic Radiology physician in Mount Vernon, Illinois. Individual provider, active in the CMS NPPES registry since November 4, 2005.
## Identity
- **NPI:** 1659362929 (Entity type: Individual)
- **Enumerated:** November 4, 2005
- **Primary specialty:** Radiology - Therapeutic Radiology · taxonomy 2085R0203X
- **State license:** 036-115830 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4117 VETERANS MEMORIAL DRIVE, Mount Vernon, IL 62864
- **Phone:** (618) 241-7016
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Mt Vernon Radiation Therapy Center (NPI 1952477028, Mount Vernon, IL); Physician Services Corporation Of Southern Illinois Inc. (NPI 1831101807, Mount Vernon, IL); St. Mary's Hospital, Centralia, Illinois (NPI 1477097871, Centralia, IL); San Juan Regional Medical Center Inc (NPI 1861467433, Aztec, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** November 21, 2025
- **Other identifiers:** Medicaid 3162044 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1659362929) · Data from the CMS NPPES public registry.