Dr. James Tsai, M.D

NPI: 1437152857
Total Payments
$4,715
2024 Payments
$279.57
Companies
47
Transactions
237
Medicare Patients
3,289
Medicare Billing
$776,109

Payment Breakdown by Category

Food & Beverage$4,195 (89.0%)
Education$519.31 (11.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $4,195 222 89.0%
Education $519.31 15 11.0%

Top Paying Companies

Company Total Records Latest Year
Novartis Pharmaceuticals Corporation $514.90 26 $0 (2024)
PFIZER INC. $377.14 27 $0 (2024)
Janssen Biotech, Inc. $332.11 13 $0 (2024)
Amgen Inc. $300.41 14 $0 (2022)
E.R. Squibb & Sons, L.L.C. $290.31 17 $0 (2023)
Takeda Pharmaceuticals U.S.A., Inc. $288.95 7 $0 (2024)
Merck Sharp & Dohme Corporation $222.20 13 $0 (2021)
Celgene Corporation $179.99 17 $0 (2023)
Bayer Healthcare Pharmaceuticals Inc. $178.99 8 $0 (2023)
AstraZeneca Pharmaceuticals LP $176.36 8 $0 (2019)

Payment History by Year

Year Amount Transactions Top Company
2024 $279.57 12 Takeda Pharmaceuticals U.S.A., Inc. ($59.71)
2023 $322.34 15 AbbVie Inc. ($77.52)
2022 $427.76 28 Celgene Corporation ($124.95)
2021 $491.74 23 E.R. Squibb & Sons, L.L.C. ($97.45)
2020 $427.65 21 Amgen Inc. ($135.46)
2019 $1,219 54 Janssen Biotech, Inc. ($155.50)
2018 $928.77 45 Novartis Pharmaceuticals Corporation ($170.58)
2017 $617.46 39 Novartis Pharmaceuticals Corporation ($149.57)

All Payment Transactions

237 individual payment records from CMS Open Payments — Page 2 of 10

Date Company Product Nature Form Amount Type
03/27/2023 AbbVie Inc. DALVANCE (Drug) Food and Beverage In-kind items and services $24.57 General
Category: ANTI-INFECTIVE
02/03/2023 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $15.13 General
Category: Hematology
11/23/2022 ARRAY BIOPHARMA INC BRAFTOVI (Drug), MEKTOVI Food and Beverage In-kind items and services $26.31 General
Category: ONCOLOGY
11/21/2022 PFIZER INC. BOSULIF (Drug), BESPONSA, PAXLOVID Food and Beverage In-kind items and services $16.54 General
Category: METABOLIC DISEASE;ONCOLOGY
11/16/2022 Pharmacyclics LLC, an AbbVie Company IMBRUVICA (Drug) Food and Beverage In-kind items and services $28.90 General
Category: ONCOLOGY
11/07/2022 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $10.45 General
Category: Hematology
11/07/2022 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $4.24 General
Category: Hematology
10/12/2022 E.R. Squibb & Sons, L.L.C. OPDIVO (Biological) Food and Beverage Cash or cash equivalent $23.38 General
Category: Oncology
10/03/2022 Bayer HealthCare Pharmaceuticals Inc. Nubeqa (Drug), Xofigo Food and Beverage In-kind items and services $27.89 General
Category: Oncology
09/27/2022 Janssen Biotech, Inc. Food and Beverage In-kind items and services $27.97 General
09/14/2022 Amgen Inc. Vectibix (Biological) Food and Beverage In-kind items and services $14.00 General
Category: Oncology
09/07/2022 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $10.88 General
Category: Hematology
08/31/2022 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $12.50 General
Category: Hematology
08/31/2022 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $1.76 General
Category: Hematology
08/17/2022 EISAI INC. Lenvima (Drug) Food and Beverage Cash or cash equivalent $25.68 General
Category: Oncology
08/11/2022 MorphoSys, US Inc. MONJUVI (Drug) Food and Beverage In-kind items and services $17.03 General
Category: Oncology
08/03/2022 E.R. Squibb & Sons, L.L.C. OPDIVO (Biological) Food and Beverage Cash or cash equivalent $18.91 General
Category: Oncology
07/18/2022 Celgene Corporation Pomalyst (Drug) Food and Beverage Cash or cash equivalent $14.02 General
Category: Hematology
07/13/2022 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $9.73 General
Category: Hematology
07/13/2022 Celgene Corporation REBLOZYL (Biological) Food and Beverage Cash or cash equivalent $4.53 General
Category: Hematology
06/15/2022 Pharmacyclics LLC, an AbbVie Company IMBRUVICA (Drug) Food and Beverage In-kind items and services $21.01 General
Category: ONCOLOGY
05/23/2022 E.R. Squibb & Sons, L.L.C. OPDIVO (Biological) Food and Beverage Cash or cash equivalent $21.53 General
Category: Oncology
05/18/2022 Takeda Pharmaceuticals U.S.A., Inc. ALUNBRIG (Drug) Education In-kind items and services $12.06 General
Category: ONCOLOGY
05/03/2022 Celgene Corporation ONUREG (Drug) Food and Beverage Cash or cash equivalent $12.06 General
Category: Oncology
04/12/2022 Celgene Corporation ONUREG (Drug) Food and Beverage Cash or cash equivalent $12.61 General
Category: Oncology

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 19 800 7,662 $481,538 $177,240
2022 19 872 8,245 $498,522 $188,102
2021 15 723 8,868 $538,148 $213,759
2020 17 894 9,322 $568,230 $197,008
Total Patients
3,289
Total Services
34,097
Medicare Billing
$776,109
Procedure Codes
76

All Medicare Procedures & Services

76 procedure records from CMS Medicare Utilization — Page 1 of 4

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99443 Telephone medical discussion with physician, 21-30 minutes Office 2023 231 592 $135,568 $53,712 39.6%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 156 531 $121,781 $52,709 43.3%
96413 Administration of chemotherapy into vein, 1 hour or less Office 2023 18 176 $55,088 $19,525 35.4%
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less Office 2023 25 170 $26,350 $8,842 33.6%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2023 28 95 $30,400 $6,697 22.0%
J1750 Injection, iron dextran, 50 mg Office 2023 18 486 $12,636 $6,312 49.9%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2023 29 29 $12,528 $4,690 37.4%
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less Office 2023 20 186 $13,020 $4,475 34.4%
96415 Administration of chemotherapy into vein, each additional hour Office 2023 11 177 $11,682 $4,197 35.9%
99195 Drawing of blood for a medical problem Office 2023 18 50 $11,000 $3,752 34.1%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 24 24 $8,256 $3,007 36.4%
96372 Injection of drug or substance under skin or into muscle Office 2023 49 267 $12,800 $2,964 23.2%
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour Office 2023 21 151 $6,946 $2,500 36.0%
96361 Infusion into a vein for hydration, each additional hour Office 2023 14 175 $5,600 $1,876 33.5%
96375 Injection of additional new drug or substance into vein Office 2023 14 90 $4,320 $1,169 27.1%
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg Office 2023 38 191 $1,910 $225.31 11.8%
J7050 Infusion, normal saline solution, 250 cc Office 2023 34 382 $7,684 $192.96 2.5%
J1100 Injection, dexamethasone sodium phosphate, 1 mg Office 2023 25 1,948 $1,948 $190.86 9.8%
J2405 Injection, ondansetron hydrochloride, per 1 mg Office 2023 15 1,863 $1,863 $139.95 7.5%
J1200 Injection, diphenhydramine hcl, up to 50 mg Office 2023 12 79 $158.00 $63.60 40.3%
99443 Telephone medical discussion with physician, 21-30 minutes Office 2022 243 719 $164,549 $69,707 42.4%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 156 529 $121,232 $51,365 42.4%
96413 Administration of chemotherapy into vein, 1 hour or less Office 2022 20 178 $55,714 $20,544 36.9%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2022 51 104 $33,280 $6,951 20.9%
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less Office 2022 26 118 $18,290 $6,693 36.6%

About Dr. James Tsai, M.D

Dr. James Tsai, M.D is a Hematology & Oncology healthcare provider based in Hemet, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/31/2005. The National Provider Identifier (NPI) number assigned to this provider is 1437152857.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. James Tsai, M.D has received a total of $4,715 in payments from pharmaceutical and medical device companies, with $279.57 received in 2024. These payments were reported across 237 transactions from 47 companies. The most common payment nature is "Food and Beverage" ($4,195).

As a Medicare-enrolled provider, Tsai has provided services to 3,289 Medicare beneficiaries, totaling 34,097 services with total Medicare billing of $776,109. Data is available for 4 years (2020–2023), covering 76 distinct procedure/service records.

Practice Information

  • Specialty Hematology & Oncology
  • Location Hemet, CA
  • Active Since 05/31/2005
  • Last Updated 08/27/2025
  • Taxonomy Code 207RH0003X
  • Entity Type Individual
  • Practice Solo Practitioner
  • NPI Number 1437152857

Products in Payments

  • OPDIVO (Biological) $241.14
  • IMBRUVICA (Drug) $206.55
  • VELCADE (Drug) $205.20
  • KEYTRUDA (Biological) $204.00
  • JEVTANA (Drug) $119.07
  • XTANDI (Drug) $113.24
  • BENDEKA (Drug) $112.51
  • Lonsurf (Drug) $108.91
  • KISQALI (Drug) $101.70
  • JADENU (Drug) $101.02
  • Nubeqa (Drug) $93.51
  • DARZALEX (Biological) $90.47
  • IMFINZI (Drug) $88.44
  • JAKAFI (Drug) $88.34
  • TAGRISSO (Drug) $87.92
  • REBLOZYL (Biological) $77.07
  • Kyprolis (Biological) $68.03
  • IBRANCE (Drug) $64.10
  • AFINITOR (Drug) $63.99
  • Bavencio (Biological) $59.67

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.