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

Benjamin Nathan Massat

Individual provider Hematology & Oncology Physician · NPI 1659909711

Benjamin Nathan Massat is a Hematology in Maywood, Illinois. Qualified in 2020, 6 years ago. Licensed in Illinois.

Years since qualifying
6
Licensed in
IL
In the registry since
2020
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Practice location Address checks out

2160 S 1st Ave
Maywood, IL 60153-3328
Phone: (888) 584-7888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 036165424 (IL)

Record details

NPI number1659909711
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 1, 2020
Last updated in NPPESJune 23, 2023
Certification dateJune 23, 2023

Medicare enrollment

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

Medicare specialtyHEMATOLOGY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated

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