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Diagnostic Radiology

John Blackwell, MD

Works at hospitals in Metairie, LA · Louisiana

Summary

John Blackwell, MD (Diagnostic Radiology) is listed by Medicare at 1 hospital in Metairie, LA. NPI 1831170208. 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 John Blackwell, 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
27Years since medical school (graduated 1999)
University Of Colorado School Of Medicine, DenverMedical school
MaleGender (as listed)
Administrators of the Tulane Educational FundGroup practice

Quick answers

Which hospitals does John Blackwell work at?
Medicare's official clinician data lists John Blackwell at 1 hospital: East Jefferson General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Blackwell see patients?
Medicare's clinician data lists 1 practice location in New Orleans, LA. Call before your visit to confirm the address.
What is John Blackwell's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does John Blackwell accept Medicare assignment?
Yes. Medicare's clinician data says John Blackwell 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 John Blackwell?
(504) 988-5800, as listed in official Medicare / NPI Registry data.
What is John Blackwell's NPI number?
1831170208. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Blackwell works

Medicare's Facility Affiliation Data lists John Blackwell 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 John Blackwell is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John Blackwell as a member of this group (CMS data updated 2026-10-02).

  • Administrators of the Tulane Educational Fund393 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Louisiana →

Other radiologists in New Orleans

Clinicians with the same Medicare primary specialty in New Orleans, LA — not a recommendation.

All radiologists in New Orleans →

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831170208
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