What is Mazen Abu Hatab's specialty?

Mazen Abu Hatab (NPI 1821173121) is a Medicare-billing provider whose primary specialty is Nephrology in Knoxville, TN.

Where does Mazen Abu Hatab practice?

Mazen Abu Hatab practices in Knoxville, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1821173121.

How much does Medicare pay Mazen Abu Hatab?

Mazen Abu Hatab (NPI 1821173121) received approximately $35K in total Medicare Part B payments, serving 125 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821173121

Mazen Abu HatabMD

NephrologyKnoxville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

173

Unique beneficiaries

—

Total services

333

Distinct HCPCS

Medicare payment

$22K

Peer benchmark

Total Medicare services vs. 164 Nephrology providers in TN — bottom quintile (cohort median 1,430).

PRESCRIBING · PART D · 2024

Total Rx claims

1,744

Beneficiaries

—

Total drug cost

$35K

Distinct drugs

Brand share

3.4%

Top prescribed drugs

Hydralazine Hcl218 claims

Amlodipine Besylate200 claims

Furosemide192 claims

Calcitriol147 claims

Potassium Chloride145 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$28

Payment records

By payment type

Education$28

Top paying entities

Education$28

REFERRAL NETWORK

Where Mazen Abu Hatab's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Frederick Mclean Diagnostic Radiology · Knoxville, TN	64	152
PARKWEST MEDICAL CENTER	35	128
Mancel Wakham Family Practice · Harriman, TN	30	130
Jennifer Mchardy Family Practice · Harriman, TN	29	49
Paul Bryant Infectious Disease · Nashville, TN	26	65
Mukesh Sharma Cardiology · Knoxville, TN	26	56
METRO KNOXVILLE HMA LLC	23	42
MCLAUGHLIN, VICTOR	23	48
Michael Adler Diagnostic Radiology · Knoxville, TN	21	47
Saadi Siddiqi Cardiology · Oak Ridge, TN	18	28
Rakesh Vohra Cardiology · Oak Ridge, TN	18	35
Jason Deen Diagnostic Radiology · Knoxville, TN	18	25

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events