Dr. Dennis Riff, M.D

NPI: 1922004662
Total Payments
$39,787
2024 Payments
$22,593
Companies
38
Transactions
674
Medicare Patients
2,176
Medicare Billing
$341,288

Payment Breakdown by Category

Other$23,647 (59.4%)
Food & Beverage$12,282 (30.9%)
Travel$3,767 (9.5%)
Education$90.96 (0.2%)

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 $20,940 8 52.6%
Food and Beverage $12,282 651 30.9%
Travel and Lodging $3,767 12 9.5%
Debt forgiveness $2,707 1 6.8%
Education $90.96 2 0.2%

Top Paying Companies

Company Total Records Latest Year
Phathom Pharmaceuticals, Inc. $17,810 39 $0 (2024)
Synergy Pharmaceuticals Inc $7,237 19 $0 (2018)
Olympus America Inc. $2,707 1 $0 (2024)
ABBVIE INC. $2,673 140 $0 (2024)
PFIZER INC. $2,349 42 $0 (2024)
Salix Pharmaceuticals, a division of Bausch Health US, LLC $2,152 140 $0 (2024)
Gilead Sciences, Inc. $896.62 38 $0 (2024)
Takeda Pharmaceuticals U.S.A., Inc. $798.84 84 $0 (2024)
Ardelyx, Inc. $677.20 33 $0 (2024)
Janssen Biotech, Inc. $491.58 24 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $22,593 159 Phathom Pharmaceuticals, Inc. ($17,810)
2023 $869.76 59 AbbVie Inc. ($324.52)
2022 $1,551 78 ABBVIE INC. ($535.51)
2021 $1,491 97 Salix Pharmaceuticals, a division of Bausch Health US, LLC ($403.33)
2020 $1,118 70 Salix Pharmaceuticals, a division of Bausch Health US, LLC ($624.84)
2019 $2,853 82 PFIZER INC. ($1,862)
2018 $8,261 69 Synergy Pharmaceuticals Inc ($7,190)
2017 $1,049 60 AbbVie, Inc. ($461.98)

All Payment Transactions

674 individual payment records from CMS Open Payments — Page 27 of 27

Date Company Product Nature Form Amount Type
04/20/2017 Takeda Pharmaceuticals America, Inc. Entyvio (Biological) Food and Beverage In-kind items and services $8.37 General
Category: Lower GI
04/20/2017 Takeda Pharmaceuticals America, Inc. Entyvio (Biological) Food and Beverage In-kind items and services $0.79 General
Category: Lower GI
04/03/2017 Takeda Pharmaceuticals America, Inc. Entyvio (Biological) Food and Beverage In-kind items and services $11.19 General
Category: Lower GI
04/03/2017 Takeda Pharmaceuticals America, Inc. Entyvio (Biological) Food and Beverage In-kind items and services $0.92 General
Category: Lower GI
03/22/2017 QOL Medical, LLC Sucraid (Drug) Food and Beverage Cash or cash equivalent $11.31 General
Category: THERAPY FOR CSID
03/20/2017 Takeda Pharmaceuticals America, Inc. Entyvio (Biological) Food and Beverage In-kind items and services $10.44 General
Category: Lower GI
03/20/2017 Takeda Pharmaceuticals America, Inc. Entyvio (Biological) Food and Beverage In-kind items and services $0.94 General
Category: Lower GI
03/15/2017 Allergan Inc. VIBERZI (Drug) Food and Beverage In-kind items and services $19.73 General
Category: GASTROENTEROLOGY
03/14/2017 Takeda Pharmaceuticals America, Inc. Amitiza (Drug) Food and Beverage In-kind items and services $21.50 General
Category: Lower GI
03/08/2017 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $20.96 General
Category: Immunology
03/07/2017 Daiichi Sankyo Inc. Movantik (Drug) Food and Beverage In-kind items and services $16.26 General
Category: Opioid Induced Constipation
02/23/2017 Takeda Pharmaceuticals America, Inc. Amitiza (Drug) Food and Beverage In-kind items and services $17.39 General
Category: Lower GI
02/22/2017 Romark Laboratories, LC Alinia Tablets 500mg 30 count bottle (Drug), Alinia for Oral Suspension, Alinia Tablets 500mg 12 count bottle Food and Beverage In-kind items and services $5.20 General
Category: Gastroenterology
02/20/2017 Allergan Inc. VIBERZI (Drug) Food and Beverage In-kind items and services $3.37 General
Category: GASTROENTEROLOGY
02/15/2017 Allergan Inc. VIBERZI (Drug) Food and Beverage In-kind items and services $7.24 General
Category: GASTROENTEROLOGY
02/09/2017 QOL Medical, LLC Sucraid (Drug) Food and Beverage Cash or cash equivalent $15.16 General
Category: THERAPY FOR CSID
02/09/2017 Daiichi Sankyo Inc. Movantik (Drug) Food and Beverage In-kind items and services $14.63 General
Category: Opioid Induced Constipation
02/07/2017 Takeda Pharmaceuticals America, Inc. Entyvio (Biological) Food and Beverage In-kind items and services $10.80 General
Category: Lower GI
02/07/2017 Takeda Pharmaceuticals America, Inc. Entyvio (Biological) Food and Beverage In-kind items and services $0.93 General
Category: Lower GI
01/30/2017 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $24.64 General
Category: Immunology
01/26/2017 Romark Laboratories, LC Alinia Tablets 500mg 30 count bottle (Drug), Alinia for Oral Suspension, Alinia Tablets 500mg 12 count bottle Food and Beverage In-kind items and services $2.17 General
Category: Gastroenterology
01/17/2017 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $99.88 General
Category: Immunology
01/17/2017 AbbVie, Inc. Humira (Biological) Food and Beverage In-kind items and services $18.68 General
Category: Immunology
01/09/2017 Romark Laboratories, LC Alinia Tablets 500mg 30 count bottle (Drug), Alinia for Oral Suspension, Alinia Tablets 500mg 12 count bottle Food and Beverage In-kind items and services $31.47 General
Category: Gastroenterology

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 14 724 9,707 $412,808 $173,660
2022 10 596 778 $133,611 $68,816
2021 9 533 659 $128,557 $64,301
2020 10 323 423 $78,783 $34,511
Total Patients
2,176
Total Services
11,567
Medicare Billing
$341,288
Procedure Codes
43

All Medicare Procedures & Services

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

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
J1306 Injection, inclisiran, 1 mg Office 2023 22 8,804 $211,173 $82,664 39.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 154 263 $54,504 $27,553 50.6%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 153 163 $34,263 $17,741 51.8%
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes Facility 2023 99 152 $24,249 $15,153 62.5%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 92 92 $24,699 $12,208 49.4%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 52 52 $29,256 $4,220 14.4%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2023 23 25 $7,273 $3,422 47.0%
43246 Insertion of stomach tube using a flexible endoscope Facility 2023 18 18 $5,649 $2,878 50.9%
45380 Biopsy of large bowel using a flexible endoscope Facility 2023 21 22 $10,538 $2,510 23.8%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 17 22 $2,442 $1,458 59.7%
44361 Biopsy of small bowel (except ileum) using an endoscope Facility 2023 14 14 $3,507 $1,192 34.0%
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes Facility 2023 22 28 $2,445 $1,158 47.3%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 12 13 $1,912 $1,018 53.2%
96372 Injection of drug or substance under skin or into muscle Office 2023 25 39 $898.60 $486.30 54.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 123 206 $42,691 $21,961 51.4%
99221 Initial hospital inpatient care per day, typically 30 minutes Facility 2022 112 115 $17,895 $9,687 54.1%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 61 61 $16,377 $8,552 52.2%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2022 42 50 $14,546 $7,627 52.4%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 68 99 $10,988 $5,965 54.3%
99231 Follow-up hospital inpatient care per day, typically 15 minutes Facility 2022 102 156 $9,409 $5,062 53.8%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2022 48 49 $10,694 $4,186 39.1%
99205 New patient office or other outpatient visit, 60-74 minutes Office 2022 15 15 $5,319 $2,883 54.2%
45378 Diagnostic exam of large bowel using a flexible endoscope Facility 2022 12 12 $3,486 $1,699 48.7%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 13 15 $2,206 $1,195 54.2%
99214 Established patient outpatient visit, total time 30-39 minutes Office 2021 140 210 $39,583 $23,244 58.7%

About Dr. Dennis Riff, M.D

Dr. Dennis Riff, M.D is a Specialist healthcare provider based in Anaheim, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/27/2005. The National Provider Identifier (NPI) number assigned to this provider is 1922004662.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Dennis Riff, M.D has received a total of $39,787 in payments from pharmaceutical and medical device companies, with $22,593 received in 2024. These payments were reported across 674 transactions from 38 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" ($20,940).

As a Medicare-enrolled provider, Riff has provided services to 2,176 Medicare beneficiaries, totaling 11,567 services with total Medicare billing of $341,288. Data is available for 4 years (2020–2023), covering 43 distinct procedure/service records.

Practice Information

  • Specialty Specialist
  • Location Anaheim, CA
  • Active Since 06/27/2005
  • Last Updated 01/14/2013
  • Taxonomy Code 174400000X
  • Entity Type Individual
  • NPI Number 1922004662

Products in Payments

  • VOQUEZNA (Drug) $17,810
  • Trulance (Drug) $7,237
  • EVIS X1 VIDEO SYSTEM CENTER (Device) $2,707
  • XIFAXAN (Drug) $1,700
  • PREVNAR - 13 (Biological) $1,411
  • IBSRELA (Drug) $677.20
  • XELJANZ (Drug) $558.69
  • SKYRIZI (Biological) $549.54
  • Humira (Biological) $495.99
  • RINVOQ (Biological) $457.73
  • STELARA (Biological) $363.13
  • MAVYRET (Drug) $359.23
  • ENTYVIO (Biological) $321.29
  • Entyvio (Biological) $316.61
  • LINZESS (Drug) $285.03
  • TRULANCE (Drug) $268.53
  • VIBERZI (Drug) $207.88
  • HUMIRA (Biological) $207.73
  • OCALIVA (Drug) $186.98
  • DUPIXENT (Biological) $156.24

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.

Specialist Doctors in Anaheim