Dr. Jan Karczewski, M.D

NPI: 1902291099
Total Payments
$455.51
2021 Payments
$80.92
Companies
5
Transactions
15
Medicare Patients
527
Medicare Billing
$54,423

Payment Breakdown by Category

Food & Beverage$356.51 (78.3%)
Education$99.00 (21.7%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $356.51 14 78.3%
Education $99.00 1 21.7%

Top Paying Companies

Company Total Records Latest Year
GlaxoSmithKline, LLC. $169.76 4 $0 (2021)
AbbVie Inc. $111.21 6 $0 (2020)
Genentech USA, Inc. $99.00 1 $0 (2019)
Regeneron Healthcare Solutions, Inc. $55.51 3 $0 (2019)
E.R. Squibb & Sons, L.L.C. $20.03 1 $0 (2019)

Payment History by Year

Year Amount Transactions Top Company
2021 $80.92 1 GlaxoSmithKline, LLC. ($80.92)
2020 $35.82 2 AbbVie Inc. ($35.82)
2019 $246.81 7 Genentech USA, Inc. ($99.00)
2018 $91.96 5 AbbVie, Inc. ($54.15)

All Payment Transactions

15 individual payment records from CMS Open Payments

Date Company Product Nature Form Amount Type
10/06/2021 GlaxoSmithKline, LLC. BENLYSTA (Biological) Food and Beverage In-kind items and services $80.92 General
Category: IMMUNOLOGY
03/04/2020 AbbVie Inc. Food and Beverage In-kind items and services $19.25 General
01/08/2020 AbbVie Inc. RINVOQ (Drug) Food and Beverage In-kind items and services $16.57 General
Category: IMMUNOLOGY
09/26/2019 GlaxoSmithKline, LLC. Food and Beverage In-kind items and services $55.63 General
07/10/2019 GlaxoSmithKline, LLC. BENLYSTA (Biological), NUCALA Food and Beverage In-kind items and services $14.21 General
Category: IMMUNOLOGY
06/19/2019 Regeneron Healthcare Solutions, Inc. KEVZARA (Biological) Food and Beverage In-kind items and services $17.16 General
Category: INFLAMMATION AND IMMUNOLOGY
05/29/2019 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $21.24 General
Category: Immunology
05/17/2019 Genentech USA, Inc. Rituxan (Biological), Actemra Education In-kind items and services $99.00 General
Category: BioOncology/Immunology
02/15/2019 E.R. Squibb & Sons, L.L.C. Food and Beverage Cash or cash equivalent $20.03 General
01/22/2019 Regeneron Healthcare Solutions, Inc. KEVZARA (Biological) Food and Beverage In-kind items and services $19.54 General
Category: INFLAMMATION AND IMMUNOLOGY
10/30/2018 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $16.20 General
Category: Immunology
10/09/2018 GlaxoSmithKline, LLC. BENLYSTA (Biological) Food and Beverage In-kind items and services $19.00 General
Category: IMMUNOLOGY
09/12/2018 Regeneron Healthcare Solutions, Inc. KEVZARA SARILUMAB INJECTION (Biological) Food and Beverage In-kind items and services $18.81 General
Category: INFLAMMATION AND IMMUNOLOGY
08/29/2018 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $19.74 General
Category: Immunology
08/02/2018 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $18.21 General
Category: Immunology

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 4 180 258 $76,418 $17,747
2022 4 145 216 $61,135 $14,256
2021 4 175 262 $69,582 $19,485
2020 1 27 27 $10,503 $2,935
Total Patients
527
Total Services
763
Medicare Billing
$54,423
Procedure Codes
13

All Medicare Procedures & Services

13 procedure records from CMS Medicare Utilization

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2023 80 147 $44,247 $10,187 23.0%
99204 New patient office or other outpatient visit, 45-59 minutes Facility 2023 51 51 $20,043 $4,924 24.6%
99213 Established patient office or other outpatient visit, 20-29 minutes Facility 2023 37 43 $9,202 $2,055 22.3%
20610 Aspiration and/or injection of fluid from large joint Facility 2023 12 17 $2,926 $581.09 19.9%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2022 55 105 $31,165 $7,458 23.9%
99204 New patient office or other outpatient visit, 45-59 minutes Facility 2022 42 42 $16,474 $3,739 22.7%
99213 Established patient office or other outpatient visit, 20-29 minutes Facility 2022 36 51 $10,610 $2,435 22.9%
20610 Aspiration and/or injection of fluid from large joint Facility 2022 12 18 $2,886 $624.64 21.6%
99214 Established patient outpatient visit, total time 30-39 minutes Facility 2021 47 112 $28,784 $8,346 29.0%
99204 New patient outpatient visit, total time 45-59 minutes Facility 2021 70 70 $27,230 $7,167 26.3%
99213 Established patient outpatient visit, total time 20-29 minutes Facility 2021 45 64 $11,264 $3,398 30.2%
20610 Aspiration and/or injection of large joint or joint capsule Facility 2021 13 16 $2,304 $575.40 25.0%
99204 New patient office or other outpatient visit, typically 45 minutes Facility 2020 27 27 $10,503 $2,935 27.9%

About Dr. Jan Karczewski, M.D

Dr. Jan Karczewski, M.D is a Rheumatology healthcare provider based in Warwick, Rhode Island. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/06/2015. The National Provider Identifier (NPI) number assigned to this provider is 1902291099.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Jan Karczewski, M.D has received a total of $455.51 in payments from pharmaceutical and medical device companies, with $80.92 received in 2021. These payments were reported across 15 transactions from 5 companies. The most common payment nature is "Food and Beverage" ($356.51).

As a Medicare-enrolled provider, Karczewski has provided services to 527 Medicare beneficiaries, totaling 763 services with total Medicare billing of $54,423. Data is available for 4 years (2020–2023), covering 13 distinct procedure/service records.

Practice Information

  • Specialty Rheumatology
  • Location Warwick, RI
  • Active Since 04/06/2015
  • Last Updated 07/12/2024
  • Taxonomy Code 207RR0500X
  • Entity Type Individual
  • Practice Solo Practitioner
  • NPI Number 1902291099

Products in Payments

  • BENLYSTA (Biological) $114.13
  • Rituxan (Biological) $99.00
  • Humira (Biological) $75.39
  • KEVZARA (Biological) $36.70
  • KEVZARA SARILUMAB INJECTION (Biological) $18.81
  • RINVOQ (Drug) $16.57

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.

Rheumatology Doctors in Warwick