Dr. Benjamin Willen, MD

NPI: 1437643905
Total Payments
$1,386
2024 Payments
$424.95
Companies
9
Transactions
18
Medicare Patients
148
Medicare Billing
$31,822

Payment Breakdown by Category

Food & Beverage$1,036 (74.8%)
Other$350.00 (25.2%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $1,036 17 74.8%
Grant $350.00 1 25.2%

Top Paying Companies

Company Total Records Latest Year
Novocure Inc. $717.98 7 $0 (2023)
AstraZeneca Pharmaceuticals LP $380.27 2 $0 (2024)
Progenics Pharmaceuticals, Inc. $103.25 1 $0 (2023)
Siemens Medical Solutions USA, Inc. $62.30 3 $0 (2023)
Celgene Corporation $44.68 1 $0 (2024)
Janssen Biotech, Inc. $26.87 1 $0 (2023)
Sumitomo Pharma America, Inc. $20.78 1 $0 (2023)
Novartis Pharmaceuticals Corporation $15.55 1 $0 (2023)
Elekta, Inc. $14.65 1 $0 (2023)

Payment History by Year

Year Amount Transactions Top Company
2024 $424.95 3 AstraZeneca Pharmaceuticals LP ($380.27)
2023 $364.06 9 Novocure Inc. ($120.66)
2021 $449.21 4 Novocure Inc. ($449.21)
2020 $23.11 1 Novocure Inc. ($23.11)
2019 $125.00 1 Novocure Inc. ($125.00)

All Payment Transactions

18 individual payment records from CMS Open Payments

Date Company Product Nature Form Amount Type
06/14/2024 AstraZeneca Pharmaceuticals LP IMFINZI (Biological) Food and Beverage In-kind items and services $30.27 General
Category: Oncology
05/06/2024 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $44.68 General
Category: Hematology
04/12/2024 AstraZeneca Pharmaceuticals LP Grant Cash or cash equivalent $350.00 General
11/16/2023 Progenics Pharmaceuticals, Inc. PYLARIFY (Drug) Food and Beverage In-kind items and services $103.25 General
Category: RADIOPHARMACEUTICAL
11/13/2023 Siemens Medical Solutions USA, Inc. SOMATOM go.Top (Device) Food and Beverage In-kind items and services $19.72 General
Category: CT and RO incl. Computed Tomography and Radiation Oncology
10/25/2023 Siemens Medical Solutions USA, Inc. Bravos Afterloader System (Device) Food and Beverage In-kind items and services $26.42 General
Category: Oncology
10/25/2023 Sumitomo Pharma America, Inc. ORGOVYX (Drug) Food and Beverage In-kind items and services $20.78 General
Category: HORMONE THERAPY
10/19/2023 Siemens Medical Solutions USA, Inc. TrueBeam (Device) Food and Beverage In-kind items and services $16.16 General
Category: Oncology
10/10/2023 Janssen Biotech, Inc. Food and Beverage In-kind items and services $26.87 General
10/10/2023 Elekta, Inc. ELEKTA MEDICAL LINEAR ACCELERATOR (Device) Food and Beverage In-kind items and services $14.65 General
Category: LINAC SOLUTIONS (LINAC)
09/06/2023 Novartis Pharmaceuticals Corporation PLUVICTO (Drug) Food and Beverage In-kind items and services $15.55 General
Category: Oncology
02/13/2023 Novocure Inc. Optune (Device) Food and Beverage Cash or cash equivalent $120.66 General
Category: Oncology
10/25/2021 Novocure Inc. Optune (Device) Food and Beverage Cash or cash equivalent $132.65 General
Category: Oncology
05/25/2021 Novocure Inc. NovoTTF-100L (Device) Food and Beverage Cash or cash equivalent $143.71 General
Category: Oncology
03/16/2021 Novocure Inc. Optune (Device) Food and Beverage Cash or cash equivalent $147.65 General
Category: Oncology
01/08/2021 Novocure Inc. Food and Beverage Cash or cash equivalent $25.20 General
12/11/2020 Novocure Inc. Oncology (Device) Food and Beverage Cash or cash equivalent $23.11 General
Category: Optune
11/07/2019 Novocure Inc. Oncology (Device) Food and Beverage Cash or cash equivalent $125.00 General
Category: Optune

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 8 148 417 $175,966 $31,822
Total Patients
148
Total Services
417
Medicare Billing
$31,822
Procedure Codes
8

All Medicare Procedures & Services

8 procedure records from CMS Medicare Utilization

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
77427 Radiation treatment management, 5 treatment sessions Facility 2023 19 54 $49,766 $8,085 16.2%
77014 Ct guidance for insertion of radiation therapy fields Facility 2023 17 193 $43,425 $6,776 15.6%
99205 New patient office or other outpatient visit, 60-74 minutes Facility 2023 32 32 $15,457 $4,493 29.1%
77301 High precision radiation therapy planning Facility 2023 13 13 $21,656 $4,289 19.8%
77338 Design and construction of radiation treatment device for high precision radiation therapy Facility 2023 13 14 $11,565 $2,478 21.4%
77263 Complex radiation therapy planning Facility 2023 18 18 $16,887 $2,375 14.1%
77334 Design and construction of complex radiation treatment device Facility 2023 18 43 $10,844 $2,035 18.8%
77300 Calculation of radiation therapy dose Facility 2023 18 50 $6,366 $1,290 20.3%

About Dr. Benjamin Willen, MD

Dr. Benjamin Willen, MD is a Radiation Oncology healthcare provider based in Greeley, Colorado. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/19/2018. The National Provider Identifier (NPI) number assigned to this provider is 1437643905.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Benjamin Willen, MD has received a total of $1,386 in payments from pharmaceutical and medical device companies, with $424.95 received in 2024. These payments were reported across 18 transactions from 9 companies. The most common payment nature is "Food and Beverage" ($1,036).

As a Medicare-enrolled provider, Willen has provided services to 148 Medicare beneficiaries, totaling 417 services with total Medicare billing of $31,822. Data is available for 1 year (2023–2023), covering 8 distinct procedure/service records.

Practice Information

  • Specialty Radiation Oncology
  • Other Specialties Radiation Oncology
  • Location Greeley, CO
  • Active Since 06/19/2018
  • Last Updated 01/15/2026
  • Taxonomy Code 2085R0001X
  • Entity Type Individual
  • NPI Number 1437643905

Products in Payments

  • Optune (Device) $400.96
  • Oncology (Device) $148.11
  • NovoTTF-100L (Device) $143.71
  • PYLARIFY (Drug) $103.25
  • REBLOZYL (Biological) $44.68
  • IMFINZI (Biological) $30.27
  • Bravos Afterloader System (Device) $26.42
  • ORGOVYX (Drug) $20.78
  • SOMATOM go.Top (Device) $19.72
  • TrueBeam (Device) $16.16
  • PLUVICTO (Drug) $15.55
  • ELEKTA MEDICAL LINEAR ACCELERATOR (Device) $14.65

Data Sources

Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.

Radiation Oncology Doctors in Greeley