Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Mazen Khalil, MD

Works at hospitals in Paragould, AR · Blytheville, AR · Walnut Ridge, AR … · Arkansas

Summary

Mazen Khalil, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Paragould, AR, Blytheville, AR and Walnut Ridge, AR and other places. NPI 1659323608. 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 Mazen Khalil, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
MaleGender (as listed)
Cancer Care Associates IncGroup practice

Quick answers

Which hospitals does Mazen Khalil work at?
Medicare's official clinician data lists Mazen Khalil at 5 hospitals: Arkansas Methodist Medical Center, Great River Medical Center, Lawrence Memorial Hospital, St Bernards Five Rivers Medical Center and St Bernards Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mazen Khalil see patients?
Medicare's clinician data lists 1 practice location in Jonesboro, AR. Call before your visit to confirm the address.
What is Mazen Khalil's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hematology/Oncology.
Does Mazen Khalil accept Medicare assignment?
Yes. Medicare's clinician data says Mazen Khalil 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 Mazen Khalil?
(870) 207-8210, as listed in official Medicare / NPI Registry data.
What is Mazen Khalil's NPI number?
1659323608. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mazen Khalil works

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

Group practices

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

  • Cancer Care Associates Inc21 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arkansas →

Other internal medicine doctors in Jonesboro

Clinicians with the same Medicare primary specialty in Jonesboro, AR — not a recommendation.

All internal medicine doctors in Jonesboro →

Clinician information

CredentialMD
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659323608
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