Dr. James Maher, MD

NPI: 1497743165
Total Payments
$188,579
2024 Payments
$993.57
Companies
28
Transactions
278
Medicare Patients
2,503
Medicare Billing
$300,552

Payment Breakdown by Category

Research$183,761 (97.4%)
Food & Beverage$4,271 (2.3%)
Travel$529.68 (0.3%)
Education$17.32 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Unspecified $183,761 7 97.4%
Food and Beverage $4,271 268 2.3%
Travel and Lodging $529.68 2 0.3%
Education $17.32 1 0.0%

Payments by Type

Research
$183,761
7 transactions
General
$4,818
271 transactions

Top Paying Companies

Company Total Records Latest Year
Celltrion, Inc. $173,841 5 $0 (2023)
Eli Lilly and Company $9,920 2 $0 (2023)
Salix Pharmaceuticals, a division of Bausch Health US, LLC $1,300 91 $0 (2024)
Abbott Laboratories $529.68 2 $0 (2024)
ABBVIE INC. $529.67 30 $0 (2024)
Allergan Inc. $395.67 35 $0 (2019)
Takeda Pharmaceuticals U.S.A., Inc. $348.85 18 $0 (2023)
Janssen Biotech, Inc. $293.78 16 $0 (2024)
Romark Laboratories, LC $227.68 13 $0 (2020)
NESTLE HEALTHCARE NUTRITION INC. $143.70 8 $0 (2023)

Payment History by Year

Year Amount Transactions Top Company
2024 $993.57 27 Abbott Laboratories ($529.68)
2023 $1,619 15 Eli Lilly and Company ($859.89)
2022 $17,235 33 Celltrion, Inc. ($16,695)
2021 $78,208 51 Celltrion, Inc. ($68,342)
2020 $70,714 44 Celltrion, Inc. ($70,004)
2019 $19,078 58 Celltrion, Inc. ($18,300)
2018 $370.03 29 Salix Pharmaceuticals, a division of Bausch Health US, LLC ($129.04)
2017 $360.69 21 Allergan Inc. ($122.71)

All Payment Transactions

278 individual payment records from CMS Open Payments — Page 1 of 12

Date Company Product Nature Form Amount Type
12/02/2024 PFIZER INC. VELSIPITY (Drug) Food and Beverage In-kind items and services $9.63 General
Category: INFLAMMATION;PAIN
11/12/2024 PFIZER INC. VELSIPITY (Drug) Food and Beverage In-kind items and services $15.34 General
Category: INFLAMMATION;PAIN
11/05/2024 AIMMUNE THERAPEUTICS, INC. ZENPEP (Drug) Food and Beverage In-kind items and services $14.20 General
Category: ENDOCRINE PANCREATIC INSUFFICIENCY
10/31/2024 Abbott Laboratories CARDIOMEMS (Device) Travel and Lodging In-kind items and services $520.66 General
Category: Heart Failure
10/31/2024 Abbott Laboratories CARDIOMEMS (Device) Travel and Lodging In-kind items and services $9.02 General
Category: Heart Failure
10/18/2024 Janssen Biotech, Inc. TREMFYA (Drug) Food and Beverage In-kind items and services $15.44 General
Category: Immunology
10/03/2024 Lilly USA, LLC OMVOH (Drug) Food and Beverage In-kind items and services $20.35 General
Category: Immunology
10/01/2024 PFIZER INC. VELSIPITY (Drug) Food and Beverage In-kind items and services $29.79 General
Category: INFLAMMATION;PAIN
09/26/2024 Salix Pharmaceuticals, a division of Bausch Health US, LLC TRULANCE (Drug) Food and Beverage In-kind items and services $22.81 General
Category: Gastroenterology
09/24/2024 Celltrion USA Inc. VEGZELMA (Biological) Food and Beverage In-kind items and services $15.15 General
Category: ONCOLOGY
09/12/2024 Salix Pharmaceuticals, a division of Bausch Health US, LLC XIFAXAN (Drug) Food and Beverage In-kind items and services $17.66 General
Category: Gastroenterology
08/15/2024 Celltrion USA Inc. VEGZELMA (Biological) Food and Beverage In-kind items and services $18.27 General
Category: ONCOLOGY
08/13/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $30.10 General
Category: GASTROENTEROLOGY
08/05/2024 PFIZER INC. VELSIPITY (Drug) Food and Beverage In-kind items and services $15.87 General
Category: INFLAMMATION;PAIN
07/02/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $22.81 General
Category: IMMUNOLOGY
06/24/2024 Celgene Corporation ZEPOSIA (Drug) Food and Beverage Cash or cash equivalent $18.28 General
Category: Neuroscience
06/17/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $24.89 General
Category: IMMUNOLOGY
06/03/2024 Celltrion USA Inc. ZYMFENTRA (Biological) Education In-kind items and services $17.32 General
Category: GASTROENTEROLOGY
05/29/2024 PFIZER INC. VELSIPITY (Drug) Food and Beverage In-kind items and services $6.99 General
Category: INFLAMMATION;PAIN
05/20/2024 ABBVIE INC. HUMIRA (Biological), RINVOQ, SKYRIZI Food and Beverage In-kind items and services $21.46 General
Category: IMMUNOLOGY
05/14/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $30.39 General
Category: GASTROENTEROLOGY
04/22/2024 Salix Pharmaceuticals, a division of Bausch Health US, LLC TRULANCE (Drug) Food and Beverage In-kind items and services $18.70 General
Category: Gastroenterology
04/22/2024 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $18.54 General
Category: Immunology
03/12/2024 PFIZER INC. VELSIPITY (Drug) Food and Beverage In-kind items and services $12.89 General
Category: INFLAMMATION;PAIN
03/04/2024 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $16.08 General
Category: Immunology

Research Studies & Clinical Trials

Study Name Company Amount Records
CT-P13 3.8 Celltrion, Inc. $85,537 3
CT-P13 3.7, CT-P13 3.8 Celltrion, Inc. $70,004 1
Ct-P13 3.8 Celltrion, Inc. $18,300 1
A PHASE 3B, RANDOMIZED, DOUBLE-BLIND, PARALLEL-ARM, PLACEBO- AND ACTIVE- CONTROLLED TREAT-THROUGH STUDY OF MIRIKIZUMAB AND VEDOLIZUMAB IN PARTICIPANTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS Eli Lilly and Company $9,060 1
A MULTICENTER PHASE 3B OPEN-LABEL SINGLE-ARM STUDY TO INVESTIGATE BOWEL URGENCY AND ITS RELATIONSHIP WITH OTHER OUTCOME MEASURES IN ADULTS WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS TREATED WITH MIRIKIZUMAB Eli Lilly and Company $859.89 1

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 13 788 1,293 $408,991 $94,780
2022 12 632 991 $303,477 $76,072
2021 10 521 778 $252,716 $63,301
2020 11 562 829 $284,716 $66,399
Total Patients
2,503
Total Services
3,891
Medicare Billing
$300,552
Procedure Codes
47

All Medicare Procedures & Services

47 procedure records from CMS Medicare Utilization — Page 1 of 2

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 163 295 $66,375 $26,965 40.6%
45380 Biopsy of large bowel using a flexible endoscope Facility 2023 90 91 $81,263 $10,718 13.2%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2023 123 123 $27,675 $8,841 31.9%
88312 Special stained specimen slides to identify organisms including interpretation and report Office 2023 47 123 $22,632 $8,570 37.9%
88305 Pathology examination of tissue using a microscope, intermediate complexity Office 2023 93 293 $41,020 $8,179 19.9%
88313 Special stained specimen slides to examine tissue including interpretation and report Office 2023 47 122 $15,494 $6,887 44.4%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 83 84 $64,764 $6,637 10.2%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 45 46 $18,354 $6,130 33.4%
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2023 26 26 $26,234 $4,413 16.8%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 28 47 $6,721 $2,919 43.4%
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk Facility 2023 12 12 $10,716 $2,231 20.8%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2023 11 11 $9,823 $2,041 20.8%
45381 Injection beneath lining of large bowel using a flexible endoscope Facility 2023 20 20 $17,920 $250.20 1.4%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 145 269 $59,293 $25,570 43.1%
99223 Initial hospital inpatient care per day, typically 70 minutes Facility 2022 59 60 $23,940 $9,460 39.5%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2022 110 110 $24,622 $7,809 31.7%
45380 Biopsy of large bowel using a flexible endoscope Facility 2022 58 58 $51,794 $6,414 12.4%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2022 64 67 $51,286 $5,930 11.6%
88305 Pathology examination of tissue using a microscope, intermediate complexity Office 2022 68 214 $29,960 $5,559 18.6%
88312 Special stained specimen slides to identify organisms including interpretation and report Office 2022 22 52 $9,568 $3,486 36.4%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 34 59 $8,437 $3,400 40.3%
88313 Special stained specimen slides to examine tissue including interpretation and report Office 2022 23 53 $6,731 $2,833 42.1%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2022 11 11 $9,823 $2,073 21.1%
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2022 12 12 $12,108 $1,948 16.1%
45381 Injection beneath lining of large bowel using a flexible endoscope Facility 2022 15 15 $13,440 $909.00 6.8%

About Dr. James Maher, MD

Dr. James Maher, MD is a Gastroenterology healthcare provider based in Houston, Texas. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/07/2005. The National Provider Identifier (NPI) number assigned to this provider is 1497743165.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. James Maher, MD has received a total of $188,579 in payments from pharmaceutical and medical device companies, with $993.57 received in 2024. These payments were reported across 278 transactions from 28 companies. The most common payment nature is "" ($183,761).

As a Medicare-enrolled provider, Maher has provided services to 2,503 Medicare beneficiaries, totaling 3,891 services with total Medicare billing of $300,552. Data is available for 4 years (2020–2023), covering 47 distinct procedure/service records.

Practice Information

  • Specialty Gastroenterology
  • Other Specialties Gastroenterology
  • Location Houston, TX
  • Active Since 10/07/2005
  • Last Updated 02/09/2015
  • Taxonomy Code 207RG0100X
  • Entity Type Individual
  • NPI Number 1497743165

Products in Payments

  • XIFAXAN (Drug) $824.98
  • CARDIOMEMS (Device) $529.68
  • TRULANCE (Drug) $353.39
  • LINZESS (Drug) $325.94
  • STELARA (Biological) $243.58
  • ENTYVIO (Biological) $227.91
  • ZENPEP (Drug) $173.07
  • ZEPOSIA (Drug) $142.54
  • Creon (Drug) $139.32
  • MAVYRET (Drug) $132.50
  • Talicia (Drug) $114.81
  • ALINIA (Drug) $100.47
  • SUTAB (Drug) $98.48
  • VELSIPITY (Drug) $90.51
  • Trulance (Drug) $84.27
  • DUPIXENT (Biological) $75.44
  • VOQUEZNA (Drug) $73.91
  • VIBERZI (Drug) $70.11
  • Entyvio (Biological) $68.73
  • Alinia Tablets 500mg 30 count bottle (Drug) $67.74

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.

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