Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mazen Diab, MD

Individual provider Medical Toxicology (Emergency Medicine) Physician · NPI 1134436819

Dr. Mazen Diab, MD is an Internal Medicine in Tinley Park, Illinois. Qualified in 2004, 22 years ago. Practices with Kidney and Hypertension Associates Ltd, a 6-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Pennsylvania.

Years since qualifying
22
Licensed in
IL, PA
In the registry since
2010
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

17495 La Grange Rd
Tinley Park, IL 60487-7581
Phone: (630) 873-8875
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 036-135420 (IL)
Medical Toxicology (Emergency Medicine) Physician Taxonomy 207PT0002X · Licence MT198421 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036135420 (IL)

Record details

NPI number1134436819
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 2, 2010
Last updated in NPPESMarch 30, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Kidney And Hypertension Associates Ltd — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services