Benjamin Nathan Massat
- Part D claims, 2023
- 11
- Publications
- 1
- Industry payments
- $614
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 5000 5th Ave, Hines, IL 60141
- Practice phone
- Call (608) 821-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Edward Hines Jr. VA Hospital
Hines, Illinois
Find Benjamin Massat's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Benjamin Nathan Massat is a hematologist and oncologist in Hines, Illinois
Benjamin Massat practices at Edward Hines Jr. VA Hospital in Hines, Illinois.
Benjamin Massat's NPI, 1659909711, was assigned on April 1, 2020. Benjamin Massat holds Illinois license 036165424.
- NPI
- 1659909711NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072930403
- NPI enumeration date
- April 1, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 821-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Benjamin Nathan Massat practices at Edward Hines Jr. VA Hospital in Hines, Illinois
Benjamin Massat's primary practice is Edward Hines Jr. VA Hospital, at 5000 5th Ave, Hines, IL 60141 in Cook County. The practice phone is (608) 821-7200.
- Edward Hines Jr. VA Hospital5000 5th Ave, Hines, IL 60141 · Cook CountyPhone(608) 821-7200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Benjamin Nathan Massat is affiliated with 1 site of care
Benjamin Massat's primary practice is Edward Hines Jr. VA Hospital in Hines, Illinois.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Benjamin Nathan Massat's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Massat practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Edward Hines Jr. VA Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Benjamin Nathan Massat is one of 563 hematologists and oncologists in Illinois
Hematology and oncology is Benjamin Massat's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Benjamin Massat is licensed in Illinois.
Specialties and state licenses
- Hematology and oncology, IllinoisPrimary
Hematologists and oncologists near Benjamin Massat
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Benjamin Nathan Massat wrote 11 Medicare Part D claims in 2023
In 2023, Benjamin Massat wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $112 in total drug cost.
Benjamin Massat's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Benjamin Nathan Massat takes part in Medicare
Benjamin Massat accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Benjamin Nathan Massat has 1 publication on record
Dmand AI links 1 paper to Benjamin Massat in 2025. Benjamin Massat's most frequent co-authors are Brian J. Carney, MD, Avi Philip Sendzul Leader, MD and Kristen Marie Sanfilippo, MD.
Benjamin Massat's most frequent co-authors
- Brian J. Carney, MD1 shared paper
- Avi Philip Sendzul Leader, MD1 shared paper
- Kristen Marie Sanfilippo, MD1 shared paper
Recent publications by Benjamin Massat
See who Benjamin Massat researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Benjamin Massat works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Benjamin Nathan Massat received $614 in industry payments from 2023 to 2025
CMS Open Payments shows 11 general payments to Benjamin Massat from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $194.
General payments to Benjamin Massat by program year, 2023 to 2025
Companies that paid Benjamin Massat the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Benjamin Nathan Massat's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Benjamin Nathan Massat
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Benjamin Nathan Massat's NPI number?
Benjamin Nathan Massat's NPI number is 1659909711. It was assigned on April 1, 2020, and it is active in the NPI Registry.
What does Benjamin Nathan Massat specialize in?
Benjamin Nathan Massat is a hematologist and oncologist in Hines, Illinois. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Benjamin Nathan Massat practice?
Benjamin Massat practices at 5000 5th Ave, Hines, IL 60141. Benjamin Massat's primary practice is Edward Hines Jr. VA Hospital in Hines, Illinois.
What is Benjamin Nathan Massat's office phone number?
The practice phone on file for Benjamin Massat is (608) 821-7200.
What is Benjamin Nathan Massat's medical license number?
Benjamin Massat holds Illinois license 036165424.
Does Benjamin Nathan Massat accept Medicare?
Yes. CMS lists Benjamin Massat as accepting Medicare assignment.
What drugs does Benjamin Nathan Massat prescribe most?
In 2023 Medicare Part D data, Benjamin Massat's most prescribed drugs by claims were Amlodipine Besylate.
Has Benjamin Nathan Massat received payments from drug or device companies?
CMS Open Payments shows $614 in general payments to Benjamin Massat from 9 companies from 2023 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Benjamin Nathan Massat been practicing?
Benjamin Massat's NPI was assigned in 2020.
Does Benjamin Nathan Massat do research?
Dmand AI links 1 publication to Benjamin Massat.
Who does Benjamin Nathan Massat publish with?
Benjamin Massat's most frequent co-authors are Brian J. Carney, MD (1 shared paper), Avi Philip Sendzul Leader, MD (1 shared paper) and Kristen Marie Sanfilippo, MD (1 shared paper).
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