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Diagnostic Radiology

James R. Mason, DO

Works at hospitals in Jacksonville, FL · Fernandina Beach, FL · Jacksonville Beach, FL … · Florida, Pennsylvania, Minnesota

Summary

James R. Mason, DO (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Jacksonville, FL, Fernandina Beach, FL and Jacksonville Beach, FL and other places. NPI 1407276991. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James R. Mason, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
University Of North Texas Hsc, College Of Osteopathic MedMedical school
MaleGender (as listed)
Mori Bean and Brooks IncGroup practice (+2 more)

Quick answers

Which hospitals does James R. Mason work at?
Medicare's official clinician data lists James R. Mason at 5 hospitals: Baptist Health Medical Center - Jacksonville, Baptist Medical Center - Nassau, Baptist Medical Center Beaches, Jefferson Einstein Montgomery Hospital and Mayo Clinic Health System - Mankato. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James R. Mason see patients?
Medicare's clinician data lists 4 practice locations, including Upper Saint Clair, PA, Phila, PA and Pittsburgh, PA. Call before your visit to confirm the address.
What is James R. Mason's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does James R. Mason accept Medicare assignment?
Yes. Medicare's clinician data says James R. Mason 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 the phone number for James R. Mason?
(904) 399-5550, as listed in official Medicare / NPI Registry data.
What is James R. Mason's NPI number?
1407276991. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James R. Mason works

Medicare's Facility Affiliation Data lists James R. Mason at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James R. Mason is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James R. Mason as a member of these groups (CMS data updated 2026-10-02).

  • Mori Bean and Brooks Inc977 clinicians in the group
  • Einstein Practice Plan Inc794 clinicians in the group
  • Northside Radiology Associates LLC385 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Pennsylvania →

Other radiologists in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

All radiologists in Pennsylvania →

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407276991
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians