Dr. Jonathon Chapman, MD

NPI: 1689867434
Total Payments
$1.1M
2024 Payments
$152,566
Companies
48
Transactions
1,713
Medicare Patients
460
Medicare Billing
$66,937

Payment Breakdown by Category

Other$750,176 (66.4%)
Consulting$189,218 (16.7%)
Travel$137,355 (12.2%)
Food & Beverage$34,847 (3.1%)
Research$18,347 (1.6%)
Education$374.53 (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 $747,576 247 66.1%
Consulting Fee $189,218 57 16.7%
Travel and Lodging $137,355 316 12.2%
Food and Beverage $34,847 1,064 3.1%
Unspecified $18,347 9 1.6%
Honoraria $2,600 3 0.2%
Education $374.53 17 0.0%

Payments by Type

General
$1.1M
1,704 transactions
Research
$18,347
5 transactions
Ownership
$0
4 transactions

Top Paying Companies

Company Total Records Latest Year
ABBVIE INC. $740,236 910 $0 (2024)
Takeda Pharmaceuticals U.S.A., Inc. $101,941 147 $0 (2024)
PFIZER INC. $95,404 137 $0 (2024)
Lilly USA, LLC $55,055 61 $0 (2024)
Janssen Scientific Affairs, LLC $28,634 33 $0 (2023)
Janssen Biotech, Inc. $27,349 115 $0 (2024)
Eli Lilly and Company $26,362 15 $0 (2024)
Celltrion USA Inc. $19,016 24 $0 (2024)
E.R. Squibb & Sons, L.L.C. $18,570 12 $0 (2022)
GastroGPO, LLC $6,300 11 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $152,566 308 ABBVIE INC. ($79,349)
2023 $139,653 303 AbbVie Inc. ($96,214)
2022 $130,514 226 ABBVIE INC. ($112,033)
2021 $140,149 161 AbbVie Inc. ($65,443)
2020 $127,645 129 AbbVie Inc. ($89,844)
2019 $166,409 209 AbbVie, Inc. ($88,356)
2018 $163,439 197 AbbVie, Inc. ($106,447)
2017 $109,943 180 AbbVie, Inc. ($102,551)

All Payment Transactions

1,713 individual payment records from CMS Open Payments — Page 1 of 69

Date Company Product Nature Form Amount Type
12/18/2024 Celltrion USA Inc. VEGZELMA (Biological) Food and Beverage In-kind items and services $14.87 General
Category: ONCOLOGY
12/18/2024 ABBVIE INC. SKYRIZI (Biological), RINVOQ Food and Beverage In-kind items and services $9.15 General
Category: IMMUNOLOGY
12/16/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $17.15 General
Category: IMMUNOLOGY
12/16/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $2.07 General
Category: IMMUNOLOGY
12/11/2024 Daiichi Sankyo Inc. INJECTAFER (Drug) Food and Beverage In-kind items and services $27.02 General
Category: Iron Deficiency Anemia
12/11/2024 Janssen Biotech, Inc. TREMFYA (Drug) Food and Beverage In-kind items and services $19.85 General
Category: Immunology
12/10/2024 ABBVIE INC. SKYRIZI (Biological) Food and Beverage In-kind items and services $48.47 General
Category: IMMUNOLOGY
12/10/2024 Lilly USA, LLC OMVOH (Drug) Food and Beverage In-kind items and services $22.20 General
Category: Immunology
12/09/2024 ABBVIE INC. Food and Beverage In-kind items and services $107.95 General
12/07/2024 Janssen Biotech, Inc. TREMFYA (Drug), STELARA 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 $1,500.00 General
Category: Immunology
12/05/2024 Madrigal Pharmaceuticals RESMETIROM (Drug) Food and Beverage In-kind items and services $40.52 General
Category: LIVER DISEASE
12/04/2024 Janssen Biotech, Inc. TREMFYA (Drug) Food and Beverage In-kind items and services $23.34 General
Category: Immunology
12/03/2024 Ardelyx, Inc. IBSRELA (Drug) Food and Beverage In-kind items and services $19.98 General
Category: GASTROENTEROLOGY
12/02/2024 ABBVIE INC. SKYRIZI (Biological) Food and Beverage In-kind items and services $9.96 General
Category: IMMUNOLOGY
12/02/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $6.01 General
Category: IMMUNOLOGY
11/27/2024 ABBVIE INC. SKYRIZI (Biological), RINVOQ Food and Beverage In-kind items and services $11.43 General
Category: IMMUNOLOGY
11/27/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $3.10 General
Category: IMMUNOLOGY
11/26/2024 PFIZER INC. XELJANZ (Drug), VELSIPITY Food and Beverage In-kind items and services $15.27 General
Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT
11/26/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $7.74 General
Category: IMMUNOLOGY
11/25/2024 Madrigal Pharmaceuticals RESMETIROM (Drug) Food and Beverage In-kind items and services $21.54 General
Category: LIVER DISEASE
11/20/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $9.88 General
Category: IMMUNOLOGY
11/18/2024 PFIZER INC. XELJANZ (Drug), VELSIPITY Food and Beverage In-kind items and services $4.05 General
Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT
11/14/2024 Celltrion USA Inc. ZYMFENTRA (Biological) Consulting Fee Cash or cash equivalent $3,990.00 General
Category: GASTROENTEROLOGY
11/14/2024 Celltrion USA Inc. ZYMFENTRA (Biological) Travel and Lodging In-kind items and services $204.21 General
Category: GASTROENTEROLOGY
11/14/2024 Celltrion USA Inc. ZYMFENTRA (Biological) Education In-kind items and services $150.00 General
Category: GASTROENTEROLOGY

Research Studies & Clinical Trials

Study Name Company Amount Records
A PHASE 3, MULTICENTER, RANDOMIZED, DOUBLE-BLIND, PARALLEL-ARM, PLACEBO-CONTROLLED MAINTENANCE STUDY OF MIRIKIZUMAB IN PATIENTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS (LUCENT 2) Eli Lilly and Company $17,508 1
A PHASE 3, MULTICENTER, OPEN-LABEL EXTENSION STUDY TO EVALUATE THE LONG TERM EFFICACY AND SAFETY OF MIRIKIZUMAB IN PATIENTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS LUCENT 3 Eli Lilly and Company $822.02 3

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 2 36 55 $17,732 $4,887
2022 4 76 288 $52,519 $14,287
2021 6 143 189 $80,006 $21,032
2020 9 205 280 $115,653 $26,731
Total Patients
460
Total Services
812
Medicare Billing
$66,937
Procedure Codes
22

All Medicare Procedures & Services

22 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 24 43 $7,568 $3,063 40.5%
45380 Biopsy of large bowel using a flexible endoscope Facility 2023 12 12 $10,164 $1,824 17.9%
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month Office 2022 15 140 $21,280 $4,678 22.0%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2022 29 51 $8,840 $3,702 41.9%
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month Office 2022 16 80 $8,000 $3,398 42.5%
45380 Biopsy of large bowel using a flexible endoscope Facility 2022 16 17 $14,399 $2,508 17.4%
99214 Established patient outpatient visit, total time 30-39 minutes Office 2021 51 74 $14,441 $6,762 46.8%
45385 Removal of polyps or growths in large bowel using an endoscope (colonoscopy) using a mechanical snare Facility 2021 19 19 $20,273 $3,850 19.0%
96413 Infusion of chemotherapy into a vein up to 1 hour Office 2021 13 31 $17,453 $3,113 17.8%
45380 Biopsy of the large bowel using an endoscope (colonoscopy) Facility 2021 19 19 $16,093 $2,739 17.0%
99204 New patient outpatient visit, total time 45-59 minutes Office 2021 16 16 $5,241 $1,843 35.2%
99214 Established patient outpatient visit, total time 30-39 minutes Facility 2021 13 18 $3,024 $1,435 47.5%
99222 Initial hospital inpatient care, typically 50 minutes per day Facility 2021 12 12 $3,481 $1,290 37.1%
99214 Established patient office or other outpatient, visit typically 25 minutes Office 2020 72 118 $23,749 $8,872 37.4%
45385 Removal of polyps or growths of large bowel using an endoscope Facility 2020 20 20 $21,340 $4,182 19.6%
96413 Infusion of chemotherapy into a vein up to 1 hour Office 2020 16 40 $22,520 $3,980 17.7%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2020 12 12 $9,336 $2,267 24.3%
45380 Biopsy of large bowel using an endoscope Facility 2020 18 18 $15,338 $2,043 13.3%
99204 New patient office or other outpatient visit, typically 45 minutes Office 2020 17 17 $5,573 $1,667 29.9%
99222 Initial hospital inpatient care, typically 50 minutes per day Facility 2020 15 15 $4,518 $1,404 31.1%
43239 Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope Facility 2020 16 17 $9,962 $1,242 12.5%
99213 Established patient office or other outpatient visit, typically 15 minutes Office 2020 19 23 $3,317 $1,075 32.4%

About Dr. Jonathon Chapman, MD

Dr. Jonathon Chapman, MD is a Internal Medicine healthcare provider based in Baton Rouge, Louisiana. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/24/2007. The National Provider Identifier (NPI) number assigned to this provider is 1689867434.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Jonathon Chapman, MD has received a total of $1.1M in payments from pharmaceutical and medical device companies, with $152,566 received in 2024. These payments were reported across 1,713 transactions from 48 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" ($747,576).

As a Medicare-enrolled provider, Chapman has provided services to 460 Medicare beneficiaries, totaling 812 services with total Medicare billing of $66,937. Data is available for 4 years (2020–2023), covering 22 distinct procedure/service records.

Practice Information

  • Specialty Internal Medicine
  • Other Specialties Gastroenterology
  • Location Baton Rouge, LA
  • Active Since 08/24/2007
  • Last Updated 11/09/2014
  • Taxonomy Code 207R00000X
  • Entity Type Individual
  • NPI Number 1689867434

Products in Payments

  • SKYRIZI (Biological) $193,694
  • Humira (Biological) $177,790
  • HUMIRA (Biological) $123,562
  • XELJANZ (Drug) $87,232
  • RINVOQ (Biological) $73,249
  • Entyvio (Biological) $66,291
  • STELARA (Biological) $43,254
  • ENTYVIO (Biological) $34,229
  • OMVOH (Drug) $30,603
  • ZEPOSIA (Drug) $19,245
  • ZYMFENTRA (Biological) $18,930
  • TREMFYA (Drug) $12,385
  • PillCam (Device) $3,204
  • EUCRISA (Drug) $630.00
  • INJECTAFER (Drug) $495.15
  • GI GENIUS (Device) $333.80
  • REMICADE (Biological) $326.13
  • VELSIPITY (Drug) $301.25
  • Ozanimod (Drug) $239.43
  • XIFAXAN (Drug) $174.42

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.

Internal Medicine Doctors in Baton Rouge