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Radiation Oncology

Mary Dean, MD

Sees patients in Quincy, IL · Illinois

Summary

Mary Dean, MD (Radiation Oncology) is enrolled with Medicare at 1 practice location in Quincy, IL. NPI 1407266745. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Dean, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
Louisiana State University School Of Medicine In ShreveportMedical school
FemaleGender (as listed)

Quick answers

Where does Mary Dean see patients?
Medicare's clinician data lists 1 practice location in Quincy, IL. Call before your visit to confirm the address.
What is Mary Dean's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Mary Dean accept Medicare assignment?
Yes. Medicare's clinician data says Mary Dean accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Mary Dean's NPI number?
1407266745. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mary Dean is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1025 Maine StQuincy, IL 62301

Specialties

Find other Radiation Oncology doctors in Illinois →

Other radiation oncologists in Quincy

Clinicians with the same Medicare primary specialty in Quincy, IL — not a recommendation.

All radiation oncologists in Quincy →

Clinician information

CredentialMD
Medical schoolLouisiana State University School Of Medicine In Shreveport
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407266745
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians