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Diagnostic Radiology

John E. Madewell, MD

Sees patients in Conroe, TX · Houston, TX · League City, TX · Texas

Summary

John E. Madewell, MD (Diagnostic Radiology) is enrolled with Medicare at 5 practice locations in Conroe, TX, Houston, TX and League City, TX. NPI 1922106111. 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 John E. Madewell, 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
57Years since medical school (graduated 1969)
University Of Oklahoma College Of MedicineMedical school
MaleGender (as listed)
Physicians Referral ServiceGroup practice

Quick answers

Where does John E. Madewell see patients?
Medicare's clinician data lists 5 practice locations, including Conroe, TX, Houston, TX and League City, TX. Call before your visit to confirm the address.
What is John E. Madewell's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does John E. Madewell accept Medicare assignment?
Yes. Medicare's clinician data says John E. Madewell 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 E. Madewell?
(713) 563-0050, as listed in official Medicare / NPI Registry data.
What is John E. Madewell's NPI number?
1922106111. 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 John E. Madewell is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Physicians Referral Service2,765 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Texas →

Other radiologists in Conroe

Clinicians with the same Medicare primary specialty in Conroe, TX — not a recommendation.

All radiologists in Conroe →

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year1969
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922106111
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