John Mathews

NPI: 1568776391
Total Payments
$5,982
2024 Payments
$1,001
Companies
14
Transactions
67
Medicare Patients
7,941
Medicare Billing
$1.8M

Payment Breakdown by Category

Consulting$2,878 (48.1%)
Food & Beverage$2,285 (38.2%)
Travel$796.78 (13.3%)
Education$22.68 (0.4%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Consulting Fee $2,878 2 48.1%
Food and Beverage $2,285 62 38.2%
Travel and Lodging $796.78 1 13.3%
Education $22.68 2 0.4%

Top Paying Companies

Company Total Records Latest Year
Janssen Scientific Affairs, LLC $4,430 14 $0 (2024)
Astellas Pharma US Inc $657.78 34 $0 (2024)
Kite Pharma, Inc. $330.43 7 $0 (2024)
E.R. Squibb & Sons, L.L.C. $135.01 1 $0 (2024)
Novo Nordisk Inc $125.00 1 $0 (2024)
Legend Biotech USA Inc. $96.92 1 $0 (2024)
SANOFI-AVENTIS U.S. LLC $75.13 2 $0 (2023)
Current Health Inc. $30.81 1 $0 (2023)
Takeda Pharmaceuticals U.S.A., Inc. $29.60 1 $0 (2024)
Daiichi Sankyo Inc. $17.38 1 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $1,001 19 Kite Pharma, Inc. ($313.22)
2023 $1,392 20 Janssen Scientific Affairs, LLC ($1,000)
2022 $301.97 4 Janssen Scientific Affairs, LLC ($301.97)
2021 $90.67 5 Astellas Pharma US Inc ($78.75)
2020 $70.71 4 Astellas Pharma US Inc ($70.71)
2019 $3,110 14 Janssen Scientific Affairs, LLC ($2,998)
2017 $15.80 1 Astellas Pharma US Inc ($15.80)

All Payment Transactions

67 individual payment records from CMS Open Payments — Page 1 of 3

Date Company Product Nature Form Amount Type
12/14/2024 Janssen Scientific Affairs, LLC CARVYKTI (Drug) Food and Beverage In-kind items and services $53.98 General
Category: Oncology
12/05/2024 E.R. Squibb & Sons, L.L.C. REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $135.01 General
Category: Hematology
12/04/2024 Daiichi Sankyo Inc. Vanflyta (Drug) Food and Beverage In-kind items and services $17.38 General
Category: ONCOLOGY
11/22/2024 Kite Pharma, Inc. Yescarta (Drug) Food and Beverage In-kind items and services $16.60 General
Category: CELLT
11/22/2024 Kite Pharma, Inc. Yescarta (Drug) Food and Beverage In-kind items and services $4.16 General
Category: CELLT
11/13/2024 Legend Biotech USA Inc. Food and Beverage In-kind items and services $96.92 General
11/12/2024 Kite Pharma, Inc. Yescarta (Drug) Food and Beverage In-kind items and services $142.52 General
Category: CELLT
09/24/2024 Astellas Pharma US Inc Cresemba (Drug) Food and Beverage In-kind items and services $30.99 General
Category: Infectious Diseases
09/16/2024 Kite Pharma, Inc. Yescarta (Drug) Food and Beverage In-kind items and services $14.66 General
Category: CELLT
09/09/2024 Astellas Pharma US Inc Cresemba (Drug) Food and Beverage In-kind items and services $29.15 General
Category: Infectious Diseases
08/20/2024 Astellas Pharma US Inc Cresemba (Drug) Food and Beverage In-kind items and services $26.76 General
Category: Infectious Diseases
08/20/2024 Astellas Pharma US Inc Xospata (Drug) Education In-kind items and services $10.76 General
Category: Oncology
08/13/2024 Kite Pharma, Inc. Yescarta (Drug) Food and Beverage In-kind items and services $121.35 General
Category: CELLT
07/11/2024 Novo Nordisk Inc Wegovy (Drug) Food and Beverage In-kind items and services $125.00 General
Category: Obesity
06/20/2024 Kite Pharma, Inc. Yescarta (Drug) Food and Beverage In-kind items and services $13.93 General
Category: CELLT
06/11/2024 Janssen Scientific Affairs, LLC CARVYKTI (Drug) Food and Beverage In-kind items and services $75.89 General
Category: Oncology
05/06/2024 Astellas Pharma US Inc Cresemba (Drug) Food and Beverage In-kind items and services $27.45 General
Category: Infectious Diseases
02/26/2024 Astellas Pharma US Inc Cresemba (Drug) Food and Beverage In-kind items and services $28.95 General
Category: Infectious Diseases
02/16/2024 Takeda Pharmaceuticals U.S.A., Inc. LIVTENCITY (Drug) Food and Beverage In-kind items and services $29.60 General
Category: IMMUNOLOGY
12/11/2023 Astellas Pharma US Inc Xospata (Drug) Food and Beverage In-kind items and services $29.76 General
Category: Oncology
12/11/2023 Astellas Pharma US Inc Cresemba (Drug) Food and Beverage In-kind items and services $23.83 General
Category: Infectious Diseases
11/29/2023 Astellas Pharma US Inc Xospata (Drug) Food and Beverage In-kind items and services $29.66 General
Category: Oncology
10/17/2023 Current Health Inc. Food and Beverage Cash or cash equivalent $30.81 General
09/11/2023 Janssen Scientific Affairs, LLC DARZALEX (Drug) Food and Beverage In-kind items and services $59.00 General
Category: Oncology
08/23/2023 Pharmacyclics LLC, An AbbVie Company IMBRUVICA (Drug) Food and Beverage In-kind items and services $13.26 General
Category: ONCOLOGY

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 44 2,151 10,238 $1.3M $294,187
2022 41 1,929 29,607 $2.3M $411,639
2021 41 1,836 33,369 $1.6M $344,445
2020 45 2,025 61,622 $3.1M $746,073
Total Patients
7,941
Total Services
134,836
Medicare Billing
$1.8M
Procedure Codes
173

All Medicare Procedures & Services

173 procedure records from CMS Medicare Utilization — Page 1 of 7

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 180 2,017 $498,199 $124,605 25.0%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 141 540 $198,720 $51,612 26.0%
90670 Pneumococcal vaccine, 13-valent Office 2023 22 39 $22,230 $9,860 44.4%
96413 Administration of chemotherapy into vein, 1 hour or less Office 2023 41 93 $65,751 $9,746 14.8%
80053 Blood test, comprehensive group of blood chemicals Office 2023 154 892 $57,088 $9,232 16.2%
99291 Critical care, first 30-74 minutes Facility 2023 11 53 $49,979 $8,855 17.7%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 63 83 $39,010 $7,898 20.2%
83735 Magnesium level Office 2023 154 890 $25,810 $5,847 22.7%
99238 Hospital discharge day management, 30 minutes or less Facility 2023 66 85 $21,165 $5,344 25.2%
83615 Lactate dehydrogenase (enzyme) level Office 2023 154 884 $27,404 $5,233 19.1%
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count Office 2023 130 566 $20,376 $4,307 21.1%
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle Office 2023 12 63 $13,293 $3,673 27.6%
36415 Insertion of needle into vein for collection of blood sample Office 2023 117 415 $8,300 $3,486 42.0%
85055 Reticulated (young) platelet measurement Office 2023 24 99 $14,157 $3,468 24.5%
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less Office 2023 37 61 $19,093 $3,128 16.4%
90746 Hepatitis b vaccine, adult dosage (3 dose schedule) Office 2023 22 39 $6,406 $2,690 42.0%
84100 Phosphate level Office 2023 113 578 $13,872 $2,688 19.4%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 31 38 $9,500 $2,506 26.4%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 18 18 $10,170 $2,369 23.3%
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less Office 2023 39 102 $16,014 $2,361 14.7%
38222 Biopsy and aspiration of bone marrow sample for diagnosis Office 2023 14 16 $8,368 $2,245 26.8%
38241 Transplantation of patient-derived stem cells Facility 2023 15 15 $35,010 $2,092 6.0%
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test Office 2023 90 330 $11,220 $2,092 18.6%
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes Facility 2023 28 53 $7,155 $2,062 28.8%
80197 Tacrolimus level Office 2023 22 145 $14,645 $1,952 13.3%

About John Mathews

John Mathews is a Medical Oncology healthcare provider based in Dallas, Texas. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/04/2010. The National Provider Identifier (NPI) number assigned to this provider is 1568776391.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, John Mathews has received a total of $5,982 in payments from pharmaceutical and medical device companies, with $1,001 received in 2024. These payments were reported across 67 transactions from 14 companies. The most common payment nature is "Consulting Fee" ($2,878).

As a Medicare-enrolled provider, Mathews has provided services to 7,941 Medicare beneficiaries, totaling 134,836 services with total Medicare billing of $1.8M. Data is available for 4 years (2020–2023), covering 173 distinct procedure/service records.

Practice Information

  • Specialty Medical Oncology
  • Other Specialties Internal Medicine
  • Location Dallas, TX
  • Active Since 08/04/2010
  • Last Updated 09/22/2025
  • Taxonomy Code 207RX0202X
  • Entity Type Individual
  • NPI Number 1568776391

Products in Payments

  • DARZALEX (Biological) $2,982
  • Yescarta (Drug) $313.22
  • Cresemba (Drug) $273.81
  • DARZALEX (Drug) $273.02
  • IMBRUVICA (Drug) $240.72
  • XOSPATA (Drug) $183.32
  • REBLOZYL (Biological) $135.01
  • CARVYKTI (Drug) $129.87
  • Wegovy (Drug) $125.00
  • Xospata (Drug) $121.90
  • AMBISOME (Drug) $78.75
  • MOZOBIL (Drug) $40.92
  • REZUROCK (Drug) $34.21
  • LIVTENCITY (Drug) $29.60
  • Vanflyta (Drug) $17.38
  • Epkinly (Drug) $14.88
  • MONJUVI (Drug) $14.35

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.

Medical Oncology Doctors in Dallas