Dr. Maurice Willis, MD

NPI: 1942369319
Total Payments
$77,431
2024 Payments
$29,726
Companies
16
Transactions
108
Medicare Patients
604
Medicare Billing
$88,801

Payment Breakdown by Category

Other$38,294 (49.5%)
Consulting$25,236 (32.6%)
Travel$10,521 (13.6%)
Food & Beverage$3,263 (4.2%)
Research$96.38 (0.1%)
Education$21.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $36,794 16 47.5%
Consulting Fee $25,236 14 32.6%
Travel and Lodging $10,521 32 13.6%
Food and Beverage $3,263 43 4.2%
Honoraria $1,500 1 1.9%
Unspecified $96.38 1 0.1%
Education $21.00 1 0.0%

Payments by Type

General
$77,334
107 transactions
Research
$96.38
1 transactions

Top Paying Companies

Company Total Records Latest Year
Lilly USA, LLC $47,838 63 $0 (2024)
Tempus AI, Inc $9,582 10 $0 (2024)
Regeneron Pharmaceuticals, Inc. $5,245 4 $0 (2024)
Foundation Medicine, Inc. $4,805 4 $0 (2020)
PFIZER INC. $4,400 9 $0 (2023)
AstraZeneca Pharmaceuticals LP $1,815 3 $0 (2024)
Genentech USA, Inc. $1,693 5 $0 (2024)
G1 Therapeutics, Inc. $1,500 1 $0 (2021)
Genentech, Inc. $135.52 1 $0 (2024)
E.R. Squibb & Sons, L.L.C. $104.95 1 $0 (2018)

Payment History by Year

Year Amount Transactions Top Company
2024 $29,726 38 Lilly USA, LLC ($13,025)
2023 $32,157 41 Lilly USA, LLC ($29,787)
2022 $124.29 1 Lilly USA, LLC ($124.29)
2021 $3,346 4 AstraZeneca Pharmaceuticals LP ($1,665)
2020 $4,927 7 Foundation Medicine, Inc. ($4,805)
2019 $42.32 2 Lilly USA, LLC ($23.76)
2018 $4,764 9 Lilly USA, LLC ($4,639)
2017 $2,345 6 PFIZER INC. ($2,180)

All Payment Transactions

108 individual payment records from CMS Open Payments — Page 1 of 5

Date Company Product Nature Form Amount Type
10/03/2024 Tempus AI, Inc Food and Beverage In-kind items and services $121.55 General
09/03/2024 Genentech, Inc. Alecensa (Biological), Avastin, Columvi Food and Beverage In-kind items and services $135.52 General
Category: BioOncology
08/30/2024 Tempus AI, Inc Food and Beverage In-kind items and services $122.93 General
08/29/2024 Lilly USA, LLC Travel and Lodging In-kind items and services $415.06 General
08/29/2024 Lilly USA, LLC Travel and Lodging In-kind items and services $349.60 General
08/29/2024 Lilly USA, LLC JAYPIRCA (Drug) Food and Beverage Cash or cash equivalent $100.00 General
Category: Oncology
08/26/2024 Tempus AI, Inc Consulting Fee Cash or cash equivalent $2,500.00 General
07/22/2024 Tempus AI, Inc Food and Beverage In-kind items and services $87.10 General
06/05/2024 Novartis Pharmaceuticals Corporation KISQALI (Drug) Food and Beverage In-kind items and services $20.82 General
Category: Oncology
06/03/2024 Gilead Sciences, Inc. Food and Beverage In-kind items and services $45.75 General
06/01/2024 AstraZeneca Pharmaceuticals LP Food and Beverage In-kind items and services $135.00 General
05/31/2024 Tempus AI, Inc Consulting Fee Cash or cash equivalent $375.00 General
05/31/2024 ABBVIE INC. In-kind items and services $96.38 Research
Study: A Study to Assess Disease Activity and Adverse Events of Intravenous (IV) Telisotuzumab Vedotin Compared to IV Docetaxel in Adult Participants With Previously Treated Non-Squamous Non-Small Cell Lung Cancer (NSCLC)
05/14/2024 Tempus AI, Inc Consulting Fee Cash or cash equivalent $250.00 General
04/24/2024 Tempus AI, Inc Consulting Fee Cash or cash equivalent $2,125.00 General
04/23/2024 Lilly USA, LLC RETEVMO (Drug), JAYPIRCA Food and Beverage In-kind items and services $29.79 General
Category: Oncology
03/18/2024 Lilly USA, LLC JAYPIRCA (Drug) Travel and Lodging Cash or cash equivalent $258.52 General
Category: Oncology
03/18/2024 Lilly USA, LLC JAYPIRCA (Drug) Travel and Lodging Cash or cash equivalent $37.10 General
Category: Oncology
03/13/2024 AstraZeneca Pharmaceuticals LP CALQUENCE (Drug) Food and Beverage In-kind items and services $14.66 General
Category: Oncology
03/05/2024 Lilly USA, LLC JAYPIRCA (Drug) Travel and Lodging Cash or cash equivalent $23.09 General
Category: Oncology
03/01/2024 Regeneron Pharmaceuticals, Inc. LIBTAYO (Biological), LIBTAYO Consulting Fee Cash or cash equivalent $2,352.00 General
Category: ONCOLOGY
03/01/2024 Regeneron Pharmaceuticals, Inc. LIBTAYO (Biological), LIBTAYO Consulting Fee Cash or cash equivalent $1,568.00 General
Category: ONCOLOGY
03/01/2024 Regeneron Pharmaceuticals, Inc. LIBTAYO (Biological), LIBTAYO Consulting Fee Cash or cash equivalent $1,176.00 General
Category: ONCOLOGY
02/23/2024 Lilly USA, LLC JAYPIRCA (Drug) Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Cash or cash equivalent $2,500.00 General
Category: Oncology
02/23/2024 Lilly USA, LLC JAYPIRCA (Drug) Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Cash or cash equivalent $2,500.00 General
Category: Oncology

Research Studies & Clinical Trials

Study Name Company Amount Records
A Study to Assess Disease Activity and Adverse Events of Intravenous (IV) Telisotuzumab Vedotin Compared to IV Docetaxel in Adult Participants With Previously Treated Non-Squamous Non-Small Cell Lung Cancer (NSCLC) ABBVIE INC. $96.38 1

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 4 110 179 $47,720 $18,790
2022 3 124 232 $62,823 $18,093
2021 4 160 354 $98,907 $26,194
2020 4 210 431 $126,003 $25,725
Total Patients
604
Total Services
1,196
Medicare Billing
$88,801
Procedure Codes
18

All Medicare Procedures & Services

18 procedure records from CMS Medicare Utilization

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99215 Established patient office or other outpatient visit, 40-54 minutes Facility 2023 31 73 $23,637 $8,091 34.2%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 29 34 $9,384 $4,652 49.6%
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes Facility 2023 26 43 $7,112 $4,007 56.3%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2023 24 29 $7,588 $2,041 26.9%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2022 52 110 $29,700 $8,124 27.4%
99215 Established patient office or other outpatient visit, 40-54 minutes Facility 2022 30 61 $21,960 $7,075 32.2%
99213 Established patient office or other outpatient visit, 20-29 minutes Facility 2022 42 61 $11,163 $2,894 25.9%
99214 Established patient outpatient visit, total time 30-39 minutes Facility 2021 56 170 $45,900 $13,462 29.3%
99215 Established patient outpatient visit, total time 40-54 minutes Office 2021 18 57 $27,873 $5,999 21.5%
99213 Established patient outpatient visit, total time 20-29 minutes Facility 2021 50 82 $15,006 $3,958 26.4%
99213 Established patient outpatient visit, total time 20-29 minutes Office 2021 24 33 $5,148 $1,437 27.9%
99204 New patient outpatient visit, total time 45-59 minutes Facility 2021 12 12 $4,980 $1,338 26.9%
99215 Established patient office or other outpatient, visit typically 40 minutes Office 2020 33 127 $60,777 $10,707 17.6%
99214 Established patient office or other outpatient, visit typically 25 minutes Facility 2020 48 103 $27,810 $6,358 22.9%
99213 Established patient office or other outpatient visit, typically 15 minutes Facility 2020 59 96 $17,568 $3,338 19.0%
99215 Established patient office or other outpatient, visit typically 40 minutes Facility 2020 18 24 $8,640 $2,126 24.6%
99442 Physician telephone patient service, 11-20 minutes of medical discussion Facility 2020 32 45 $5,748 $1,907 33.2%
99213 Established patient office or other outpatient visit, typically 15 minutes Office 2020 20 36 $5,460 $1,289 23.6%

About Dr. Maurice Willis, MD

Dr. Maurice Willis, MD is a Hematology & Oncology healthcare provider based in Saint Louis, Missouri. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 12/08/2006. The National Provider Identifier (NPI) number assigned to this provider is 1942369319.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Maurice Willis, MD has received a total of $77,431 in payments from pharmaceutical and medical device companies, with $29,726 received in 2024. These payments were reported across 108 transactions from 16 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($36,794).

As a Medicare-enrolled provider, Willis has provided services to 604 Medicare beneficiaries, totaling 1,196 services with total Medicare billing of $88,801. Data is available for 4 years (2020–2023), covering 18 distinct procedure/service records.

Practice Information

  • Specialty Hematology & Oncology
  • Other Specialties Medical Oncology, Hematology & Oncology
  • Location Saint Louis, MO
  • Active Since 12/08/2006
  • Last Updated 05/05/2025
  • Taxonomy Code 207RH0003X
  • Entity Type Individual
  • NPI Number 1942369319

Products in Payments

  • JAYPIRCA (Drug) $11,344
  • LIBTAYO (Biological) $5,245
  • FOUNDATIONACT (Device) $4,805
  • ALIMTA (Drug) $3,825
  • BAVENCIO (Drug) $2,180
  • IMFINZI (Biological) $1,665
  • COSELA (Drug) $1,500
  • RETEVMO (Drug) $201.73
  • Alecensa (Biological) $135.52
  • TECENTRIQ (Biological) $117.53
  • OPDIVO (Biological) $104.95
  • KEYTRUDA (Biological) $65.92
  • SOMATULINE DEPOT (Drug) $63.90
  • CYRAMZA (Drug) $23.76
  • KRAZATI (Drug) $21.00
  • KISQALI (Drug) $20.82
  • IBRANCE (Drug) $19.91
  • CALQUENCE (Drug) $14.66

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.

Hematology & Oncology Doctors in Saint Louis