DR. MAZEN AHMAD ABU HATAB MD
NPI 1821173121
Internal Medicine - Nephrology in Knoxville, TN

Active since October 26, 2006PECOS EnrolledAccepts Medicare Assignment
8044 RAY MEARS BLVD, STE 116, KNOXVILLE, TN 37919(865) 692-9111(865) 692-9191 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mazen Ahmad Abu Hatab Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MAZEN AHMAD ABU HATAB MD (NPI 1821173121) is an individual nephrology provider in Knoxville, Tennessee, licensed in Tennessee (MD28777) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Blount Memorial Hospital, and is a graduate of Other (1983).

NPPES Registry Identity

NPI1821173121
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MAZEN AHMAD ABU HATABCredential: MD
Location Address8044 RAY MEARS BLVD, STE 116Knoxville, TN 37919
Mailing AddressPo Box 32786Knoxville, TN 37930 · (865) 692-9111 · Fax (865) 692-9191
Fax(865) 692-9191
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateOctober 26, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1821173121 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in TN · MD28777
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
8044 RAY MEARS BLVD, Knoxville, TN 37919

Other Identifiers 3

Medicare UPINF71690
Medicare ID-Type Unspecified3827744TN
Medicaid3827744TN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mazen Ahmad Abu Hatab Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315939261
PECOS Enrollment IDI20040331001078
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
133 services73 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
129 services35 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
45 services44 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
26 services21 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Blount Memorial Hospital

Acute Care Hospitals · Maryville, TN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number440011
Location907 E Lamar Alexander ParkwayMaryville, TN 37804 · Blount County
Emergency services Birthing friendly

Physicians Regional Medical Center

Acute Care Hospitals · Powell, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440120
Location7565 Dannaher Way PowellPowell, TN 37849 · Knox County
Emergency services Birthing friendly

Parkwest Medical Center

Acute Care Hospitals · Knoxville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440173
Location9352 Park West BlvdKnoxville, TN 37923 · Knox County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37919 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mazen Abu Hatab's NPI number?

The NPI number for Mazen Abu Hatab is 1821173121. It was assigned to this individual provider in the NPPES registry on October 26, 2006.

Where is Mazen Abu Hatab located?

Mazen Abu Hatab practices at 8044 Ray Mears Blvd Ste 116, Knoxville, TN 37919. The listed phone number is (865) 692-9111.

What is Mazen Abu Hatab's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Mazen Abu Hatab enrolled in Medicare?

Yes. Mazen Abu Hatab is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mazen Abu Hatab accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Mazen Abu Hatab as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mazen Abu Hatab affiliated with any hospitals?

According to CMS data, Mazen Abu Hatab is affiliated with Blount Memorial Hospital, Physicians Regional Medical Center and Parkwest Medical Center.

When was this NPI record last updated?

The NPPES record for Mazen Abu Hatab was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.