DR. MAZEN DIAB M.D.
NPI 1134436819
Internal Medicine - Nephrology in Tinley Park, IL

Active since September 02, 2010PECOS EnrolledAccepts Medicare Assignment
17495 LA GRANGE RD, TINLEY PARK, IL 60487(630) 873-8875 Get Directions Write a Review

NPPES record last updated: March 30, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 30, 2017, Sep 29, 2016, Nov 30, 2015 (3 updates tracked since 2015).

About Dr. Mazen Diab M.d. NPPES

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

DR. MAZEN DIAB M.D. (NPI 1134436819) is an individual nephrology provider in Tinley Park, Illinois, licensed in Illinois (036-135420) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1134436819
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MAZEN DIABCredential: M.D.
Location Address17495 LA GRANGE RDTinley Park, IL 60487-7581
Mailing Address1860 Payshere CirChicago, IL 60674-4325 · (630) 469-9200
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateSeptember 2, 2010
Last NPPES UpdateMarch 30, 20173 updates tracked since enumeration
NPI 1134436819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in IL · 036-135420
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.
Also ListedEmergency Medicine · Medical ToxicologyTaxonomy 207PT0002X · License MT198421 (PA)
Also ListedInternal MedicineTaxonomy 207R00000X · License 036135420 (IL)
17495 LA GRANGE RD, Tinley Park, IL 60487

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 Diab M.d. 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 ID3678873114
PECOS Enrollment IDI20160222002768
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 14

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.

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.
1,069 services213 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
283 services71 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.
236 services90 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
206 services161 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
130 services26 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
114 services65 patients

Hospital Affiliations CMS Care Compare 4

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

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140007
Location333 N Madison StJoliet, IL 60435 · Will County
Emergency services Birthing friendly

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140062
Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140213
Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60487 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
17495 LA GRANGE RD
TINLEY PARK, IL 60487
Social Worker (Clinical)
17495 LA GRANGE RD
TINLEY PARK, IL 60487
Radiology (Diagnostic Radiology)
17495 LA GRANGE RD
TINLEY PARK, IL 60487
Nurse Practitioner
17495 LA GRANGE RD
TINLEY PARK, IL 60487
Physician Assistant
17495 LA GRANGE RD
TINLEY PARK, IL 60487
Nurse Practitioner (Family)
17495 LA GRANGE RD
TINLEY PARK, IL 60487
Emergency Medicine
17495 LA GRANGE RD
TINLEY PARK, IL 60487
Radiology (Diagnostic Radiology)
17495 LA GRANGE RD
TINLEY PARK, IL 60487

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 Diab's NPI number?

The NPI number for Mazen Diab is 1134436819. It was assigned to this individual provider in the NPPES registry on September 2, 2010.

Where is Mazen Diab located?

Mazen Diab practices at 17495 La Grange Rd, Tinley Park, IL 60487. The listed phone number is (630) 873-8875.

What is Mazen Diab's specialty?

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

Is Mazen Diab enrolled in Medicare?

Yes. Mazen Diab 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.

Is Mazen Diab affiliated with any hospitals?

According to CMS data, Mazen Diab is affiliated with Presence Saint Joseph Medical Center, Palos Community Hospital, Advocate Christ Hospital & Medical Center and Silver Cross Hospital And Medical Centers.

When was this NPI record last updated?

The NPPES record for Mazen Diab was last updated on March 30, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.