Dr. William Simpson, M.D

NPI: 1487655346
Total Payments
$1,948
2024 Payments
$67.91
Companies
20
Transactions
89
Medicare Patients
3,844
Medicare Billing
$418,528

Payment Breakdown by Category

Food & Beverage$1,436 (73.7%)
Travel$488.16 (25.1%)
Education$23.64 (1.2%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $1,436 85 73.7%
Travel and Lodging $488.16 2 25.1%
Education $23.64 2 1.2%

Top Paying Companies

Company Total Records Latest Year
Boston Scientific Corporation $488.16 2 $0 (2019)
AbbVie Inc. $335.20 22 $0 (2020)
Salix Pharmaceuticals, a division of Bausch Health US, LLC $280.25 17 $0 (2023)
Gilead Sciences, Inc. $234.81 18 $0 (2020)
Intercept Pharmaceuticals, Inc. $115.82 6 $0 (2019)
E.R. Squibb & Sons, L.L.C. $114.73 1 $0 (2023)
Takeda Pharmaceuticals U.S.A., Inc. $79.62 5 $0 (2024)
UCB, Inc. $47.08 3 $0 (2020)
Synergy Pharmaceuticals Inc $43.75 3 $0 (2018)
Valeant Pharmaceuticals North America LLC $38.38 2 $0 (2017)

Payment History by Year

Year Amount Transactions Top Company
2024 $67.91 2 Takeda Pharmaceuticals U.S.A., Inc. ($44.25)
2023 $131.45 2 E.R. Squibb & Sons, L.L.C. ($114.73)
2020 $134.07 9 AbbVie Inc. ($45.93)
2019 $1,137 45 Boston Scientific Corporation ($488.16)
2018 $300.11 20 AbbVie, Inc. ($106.24)
2017 $177.89 11 Valeant Pharmaceuticals North America LLC ($38.38)

All Payment Transactions

89 individual payment records from CMS Open Payments — Page 1 of 4

Date Company Product Nature Form Amount Type
09/12/2024 Ipsen Biopharmaceuticals, Inc IQIRVO (Drug) Food and Beverage In-kind items and services $23.66 General
Category: Rare Disease
08/01/2024 Takeda Pharmaceuticals U.S.A., Inc. EOHILIA (Drug) Food and Beverage In-kind items and services $44.25 General
Category: INTERNAL MEDICINE
05/10/2023 E.R. Squibb & Sons, L.L.C. ZEPOSIA (Drug) Food and Beverage Cash or cash equivalent $114.73 General
Category: Neuroscience
03/29/2023 Salix Pharmaceuticals, a division of Bausch Health US, LLC XIFAXAN (Drug) Food and Beverage In-kind items and services $16.72 General
Category: Gastroenterology
03/17/2020 Salix Pharmaceuticals, a division of Bausch Health US, LLC XIFAXAN (Drug) Food and Beverage In-kind items and services $11.39 General
Category: GASTROENTEROLOGY
03/10/2020 Gilead Sciences, Inc. Food and Beverage In-kind items and services $15.60 General
02/27/2020 UCB, Inc. Cimzia (Drug) Food and Beverage In-kind items and services $13.13 General
Category: Immunology
02/26/2020 Salix Pharmaceuticals, a division of Bausch Health US, LLC XIFAXAN (Drug) Food and Beverage In-kind items and services $18.49 General
Category: GASTROENTEROLOGY
02/19/2020 AbbVie Inc. MAVYRET (Drug) Food and Beverage In-kind items and services $11.00 General
Category: VIROLOGY
02/14/2020 AbbVie Inc. HUMIRA (Biological) Food and Beverage In-kind items and services $12.32 General
Category: IMMUNOLOGY
01/23/2020 Gilead Sciences, Inc. Food and Beverage In-kind items and services $16.10 General
01/21/2020 AbbVie Inc. HUMIRA (Biological) Food and Beverage In-kind items and services $22.61 General
Category: IMMUNOLOGY
01/06/2020 PFIZER INC. XELJANZ (Drug) Food and Beverage In-kind items and services $13.43 General
Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT
12/20/2019 Salix Pharmaceuticals, a division of Bausch Health US, LLC XIFAXAN (Drug) Food and Beverage In-kind items and services $19.19 General
Category: GASTROENTEROLOGY
12/17/2019 Gilead Sciences, Inc. Food and Beverage In-kind items and services $16.15 General
12/05/2019 Takeda Pharmaceuticals U.S.A., Inc. Motegrity (Drug) Food and Beverage In-kind items and services $2.95 General
Category: Lower GI
11/26/2019 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $5.87 General
Category: Immunology
11/21/2019 Salix Pharmaceuticals, a division of Bausch Health US, LLC XIFAXAN (Drug) Food and Beverage In-kind items and services $22.70 General
Category: GASTROENTEROLOGY
11/19/2019 Takeda Pharmaceuticals U.S.A., Inc. Motegrity (Drug) Food and Beverage In-kind items and services $7.45 General
Category: Lower GI
11/11/2019 AbbVie, Inc. Mavyret (Drug) Food and Beverage In-kind items and services $16.81 General
Category: Virology
11/07/2019 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $21.58 General
Category: Immunology
11/07/2019 Takeda Pharmaceuticals U.S.A., Inc. Motegrity (Drug) Food and Beverage In-kind items and services $5.82 General
Category: Lower GI
11/05/2019 Salix Pharmaceuticals, a division of Bausch Health US, LLC XIFAXAN (Drug) Food and Beverage In-kind items and services $18.39 General
Category: GASTROENTEROLOGY
10/16/2019 Gilead Sciences, Inc. Food and Beverage In-kind items and services $6.47 General
10/10/2019 Takeda Pharmaceuticals U.S.A., Inc. Motegrity (Drug) Food and Beverage In-kind items and services $19.15 General
Category: Lower GI

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 17 1,103 1,211 $614,369 $112,273
2022 17 945 1,062 $513,701 $108,198
2021 16 910 998 $522,465 $105,805
2020 16 886 989 $468,402 $92,252
Total Patients
3,844
Total Services
4,260
Medicare Billing
$418,528
Procedure Codes
70

All Medicare Procedures & Services

70 procedure records from CMS Medicare Utilization — Page 1 of 3

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2023 173 173 $171,443 $34,210 20.0%
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm Facility 2023 135 149 $52,746 $14,678 27.8%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2023 49 49 $34,866 $8,735 25.1%
45380 Biopsy of large bowel using a flexible endoscope Facility 2023 86 86 $79,255 $7,885 9.9%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 153 156 $127,296 $7,244 5.7%
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk Facility 2023 39 39 $28,665 $7,093 24.7%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 58 96 $11,304 $6,596 58.3%
45378 Diagnostic exam of large bowel using a flexible endoscope Facility 2023 50 50 $33,995 $6,014 17.7%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 84 118 $10,894 $5,328 48.9%
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 58 58 $35,018 $4,613 13.2%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 30 30 $9,270 $3,028 32.7%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 34 42 $6,888 $2,542 36.9%
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes Facility 2023 33 43 $3,827 $1,687 44.1%
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall Office 2023 15 15 $2,865 $856.63 29.9%
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes Facility 2023 11 11 $2,519 $667.80 26.5%
99212 Established patient office or other outpatient visit, 10-19 minutes Office 2023 23 23 $1,182 $522.04 44.2%
91200 Measurement of liver stiffness Office 2023 39 40 $1,280 $295.05 23.1%
91200 Measurement of liver stiffness Facility 2023 33 33 $1,056 $278.19 26.3%
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2022 170 170 $168,470 $34,642 20.6%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2022 58 58 $42,572 $10,677 25.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 104 157 $16,641 $10,329 62.1%
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm Facility 2022 77 83 $28,809 $8,747 30.4%
45380 Biopsy of large bowel using a flexible endoscope Facility 2022 67 67 $63,248 $7,895 12.5%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2022 101 103 $84,048 $6,180 7.4%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 102 130 $12,704 $6,145 48.4%

About Dr. William Simpson, M.D

Dr. William Simpson, M.D is a Gastroenterology healthcare provider based in Kalispell, Montana. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/02/2005. The National Provider Identifier (NPI) number assigned to this provider is 1487655346.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. William Simpson, M.D has received a total of $1,948 in payments from pharmaceutical and medical device companies, with $67.91 received in 2024. These payments were reported across 89 transactions from 20 companies. The most common payment nature is "Food and Beverage" ($1,436).

As a Medicare-enrolled provider, Simpson has provided services to 3,844 Medicare beneficiaries, totaling 4,260 services with total Medicare billing of $418,528. Data is available for 4 years (2020–2023), covering 70 distinct procedure/service records.

Practice Information

  • Specialty Gastroenterology
  • Other Specialties Gastroenterology, Gastroenterology
  • Location Kalispell, MT
  • Active Since 08/02/2005
  • Last Updated 11/27/2023
  • Taxonomy Code 207RG0100X
  • Entity Type Individual
  • NPI Number 1487655346

Products in Payments

  • GENERAL POLYPECTOMY (Device) $488.16
  • XIFAXAN (Drug) $235.02
  • Mavyret (Drug) $156.85
  • Humira (Biological) $132.42
  • OCALIVA (Drug) $115.82
  • ZEPOSIA (Drug) $114.73
  • RELISTOR ORAL (Drug) $54.53
  • Cimzia (Drug) $47.08
  • EOHILIA (Drug) $44.25
  • Trulance (Drug) $43.75
  • Motegrity (Drug) $35.37
  • HUMIRA (Biological) $34.93
  • IQIRVO (Drug) $23.66
  • Prolia (Biological) $22.22
  • LIALDA (Drug) $20.24
  • SAMSCA (Drug) $18.92
  • Veltassa (Drug) $17.54
  • CFN PleurX (Device) $17.44
  • LINZESS (Drug) $14.28
  • XELJANZ (Drug) $13.43

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.

Gastroenterology Doctors in Kalispell