Mazen Ahmad Abu Hatab, MD
Nephrology Physician · Knoxville, TN
Mazen Ahmad Abu Hatab, MD is a nephrology physician with a practice address in Knoxville, Tennessee, and NPI 1821173121, issued on Oct 26, 2006. Check the license (Tennessee MD28777, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mazen Ahmad Abu Hatab
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- MD28777 TN
Self-reported in NPPES; status is on the state search - Practice location
- 8044 Ray Mears Blvd, Knoxville, TN 37919
- Phone
- (865) 692-9111
- Enumerated
- Oct 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (865) 692-9191
- Medicaid ID
- 3827744 TN
- Medicare enrollment
- Enrolled (PECOS I20040331001078); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Mazen Ahmad Abu Hatab in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD28777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average nephrology physician in 2024
2,032 Medicare Part D claims for 193 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Hydralazine Hcl218 claims
- Amlodipine Besylate200 claims
- Furosemide192 claims
- Calcitriol147 claims
- Potassium Chloride145 claims
- Allopurinol137 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $28.27
4 payments; by number, the most common kind was education; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nephrology Physician providers in Tennessee
There are 266 nephrology physician records in Tennessee.
Other nephrology physician records in Tennessee
- Sarah Abdel Massih, MDKingsport, TN1508381120
- Mark Abi Nader, M.D.Memphis, TN1841538147
- Fareeha Abid, MDCordova, TN1598338014
- Wala Abusalah, MDKnoxville, TN1578034161
- Abrar Ahmad, M.D.Kingsport, TN1376534305
- Mohammed Ahmed, M.D.Morristown, TN1992702781
- Kehinde Ajayi, MDNashville, TN1407343684
- Siddique Akbar, MDJackson, TN1295290328
- Zaher Al-Shallah, MDGermantown, TN1356399117
- Susan Alex, M.D.Jackson, TN1003864117
Common questions
What is Mazen Ahmad Abu Hatab, MD's NPI number?
Mazen Ahmad Abu Hatab, MD's National Provider Identifier (NPI) is 1821173121, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Ahmad Abu Hatab, MD located?
The NPPES record lists a practice address at 8044 Ray Mears Blvd, Knoxville, TN, 37919. Phone: (865) 692-9111. Providers update this record themselves, so call before visiting.
How can I verify Mazen Ahmad Abu Hatab, MD's license?
NPPES lists Tennessee license number MD28777, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mazen Ahmad Abu Hatab, MD prescribe under Medicare Part D?
In 2024, Mazen Ahmad Abu Hatab, MD had 2,032 Medicare Part D claims for 193 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.