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Nephrology

Mazen A. Abu Hatab, MD

Works at hospitals in Maryville, TN · Knoxville, TN · Powell, TN · Tennessee

Summary

Mazen A. Abu Hatab, MD (Nephrology) is listed by Medicare at 3 hospitals in Maryville, TN, Knoxville, TN and Powell, TN. NPI 1821173121. 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 A. Abu Hatab, 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

NephrologyPrimary specialty
YesAccepts Medicare assignment
43Years since medical school (graduated 1983)
MaleGender (as listed)

Quick answers

Which hospitals does Mazen A. Abu Hatab work at?
Medicare's official clinician data lists Mazen A. Abu Hatab at 3 hospitals: Blount Memorial Hospital, Parkwest Medical Center and Physicians Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mazen A. Abu Hatab see patients?
Medicare's clinician data lists 2 practice locations, including Harriman, TN and Maryville, TN. Call before your visit to confirm the address.
What is Mazen A. Abu Hatab's specialty?
Medicare lists Nephrology as the primary specialty.
Does Mazen A. Abu Hatab accept Medicare assignment?
Yes. Medicare's clinician data says Mazen A. Abu Hatab 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 A. Abu Hatab?
(865) 692-9111, as listed in official Medicare / NPI Registry data.
What is Mazen A. Abu Hatab's NPI number?
1821173121. 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 A. Abu Hatab works

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

Specialties

Find other Nephrology doctors in Tennessee →

Other nephrologists in Tennessee

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

All nephrologists in Tennessee →

Clinician information

CredentialMD
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821173121
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