Dr. Keith Friedenberg, M.D

NPI: 1104928043
Total Payments
$108,383
2024 Payments
$44,508
Companies
44
Transactions
649
Medicare Patients
5,507
Medicare Billing
$535,888

Payment Breakdown by Category

Other$60,228 (55.6%)
Consulting$21,858 (20.2%)
Food & Beverage$14,429 (13.3%)
Travel$11,754 (10.8%)
Education$116.12 (0.1%)

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 $58,723 31 54.2%
Consulting Fee $21,858 9 20.2%
Food and Beverage $14,429 560 13.3%
Travel and Lodging $11,754 46 10.8%
Honoraria $1,505 1 1.4%
Education $116.12 2 0.1%

Top Paying Companies

Company Total Records Latest Year
Phathom Pharmaceuticals, Inc. $42,809 70 $0 (2024)
PFIZER INC. $32,109 86 $0 (2024)
E.R. Squibb & Sons, L.L.C. $10,561 12 $0 (2023)
Eli Lilly Export S.A. Puerto Rico Branch $5,673 4 $0 (2019)
Celgene Corporation $4,645 40 $0 (2024)
ABBVIE INC. $2,598 130 $0 (2024)
Eli Lilly and Company $1,738 19 $0 (2020)
RedHill Biopharma Inc. $1,505 2 $0 (2020)
IRONWOOD PHARMACEUTICALS, INC $1,024 10 $0 (2024)
Takeda Pharmaceuticals U.S.A., Inc. $864.72 20 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $44,508 163 Phathom Pharmaceuticals, Inc. ($42,809)
2023 $6,312 92 E.R. Squibb & Sons, L.L.C. ($4,629)
2022 $8,806 127 E.R. Squibb & Sons, L.L.C. ($5,932)
2021 $533.84 28 Janssen Biotech, Inc. ($154.75)
2020 $6,979 20 PFIZER INC. ($2,345)
2019 $33,112 123 PFIZER INC. ($26,229)
2018 $4,945 76 Celgene Corporation ($1,874)
2017 $3,186 20 PFIZER INC. ($2,877)

All Payment Transactions

649 individual payment records from CMS Open Payments — Page 1 of 26

Date Company Product Nature Form Amount Type
12/23/2024 ABBVIE INC. LINZESS (Drug), CREON Food and Beverage In-kind items and services $16.60 General
Category: GASTROENTEROLOGY
12/19/2024 PFIZER INC. XELJANZ (Drug), VELSIPITY Food and Beverage In-kind items and services $28.37 General
Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT
12/18/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) 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 $1,720.00 General
Category: GASTROENTEROLOGY
12/18/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) 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 $1,720.00 General
Category: GASTROENTEROLOGY
12/17/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $124.99 General
Category: GASTROENTEROLOGY
12/16/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $15.57 General
Category: IMMUNOLOGY
12/11/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) 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 $1,720.00 General
Category: GASTROENTEROLOGY
12/11/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $85.34 General
Category: GASTROENTEROLOGY
12/10/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $124.55 General
Category: GASTROENTEROLOGY
12/10/2024 AIMMUNE THERAPEUTICS, INC. VOWST (Biological) Food and Beverage In-kind items and services $16.67 General
Category: GI
12/09/2024 Regeneron Healthcare Solutions, Inc. DUPIXENT (Biological) Food and Beverage In-kind items and services $32.71 General
Category: INFLAMMATION AND IMMUNOLOGY
12/05/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Honoraria Cash or cash equivalent $1,505.00 General
Category: GASTROENTEROLOGY
12/05/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $124.99 General
Category: GASTROENTEROLOGY
12/04/2024 Lilly USA, LLC OMVOH (Drug) Food and Beverage In-kind items and services $21.16 General
Category: Immunology
12/02/2024 Janssen Biotech, Inc. TREMFYA (Drug) Food and Beverage In-kind items and services $21.75 General
Category: Immunology
11/25/2024 ABBVIE INC. SKYRIZI (Biological), RINVOQ Food and Beverage In-kind items and services $23.27 General
Category: IMMUNOLOGY
11/22/2024 Janssen Biotech, Inc. TREMFYA (Drug) Food and Beverage In-kind items and services $18.42 General
Category: Immunology
11/20/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) 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 $1,720.00 General
Category: GASTROENTEROLOGY
11/14/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $104.03 General
Category: GASTROENTEROLOGY
11/11/2024 ABBVIE INC. LINZESS (Drug) Food and Beverage In-kind items and services $17.66 General
Category: GASTROENTEROLOGY
11/08/2024 AIMMUNE THERAPEUTICS, INC. VOWST (Biological) Food and Beverage In-kind items and services $14.36 General
Category: GI
11/04/2024 Takeda Pharmaceuticals U.S.A., Inc. EOHILIA (Drug) Food and Beverage In-kind items and services $20.74 General
Category: INTERNAL MEDICINE
10/31/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $15.96 General
Category: IMMUNOLOGY
10/31/2024 ABBVIE INC. RINVOQ (Biological), SKYRIZI Food and Beverage In-kind items and services $0.46 General
Category: IMMUNOLOGY
10/25/2024 Ipsen Biopharmaceuticals, Inc IQIRVO (Drug) Food and Beverage In-kind items and services $15.58 General
Category: Rare Disease

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 15 1,019 1,104 $403,163 $106,857
2022 17 1,420 1,721 $484,481 $128,616
2021 17 1,536 1,860 $524,306 $153,721
2020 18 1,532 1,987 $462,718 $146,693
Total Patients
5,507
Total Services
6,672
Medicare Billing
$535,888
Procedure Codes
67

All Medicare Procedures & Services

67 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 138 139 $118,150 $27,459 23.2%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 232 296 $51,800 $18,510 35.7%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2023 183 183 $32,025 $13,273 41.4%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2023 52 52 $31,512 $8,965 28.5%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 119 121 $56,870 $8,704 15.3%
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk Facility 2023 45 45 $27,270 $7,927 29.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 61 76 $15,200 $7,215 47.5%
45380 Biopsy of large bowel using a flexible endoscope Facility 2023 43 43 $30,616 $3,816 12.5%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 28 28 $7,000 $3,541 50.6%
45378 Diagnostic exam of large bowel using a flexible endoscope Facility 2023 16 16 $9,696 $2,077 21.4%
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 21 21 $8,358 $1,770 21.2%
43450 Dilation of esophagus Facility 2023 43 43 $10,320 $1,314 12.7%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 12 13 $2,600 $1,203 46.3%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 15 17 $1,581 $1,035 65.5%
82270 Stool analysis for blood to screen for colon tumors Office 2023 11 11 $165.00 $47.19 28.6%
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2022 139 139 $118,150 $25,206 21.3%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 280 390 $68,250 $22,745 33.3%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2022 219 219 $38,325 $14,011 36.6%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2022 129 129 $60,630 $8,817 14.5%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2022 48 48 $29,088 $8,674 29.8%
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk Facility 2022 43 43 $26,058 $7,810 30.0%
88305 Pathology examination of tissue using a microscope, intermediate complexity Office 2022 149 305 $34,900 $7,284 20.9%
99222 Initial hospital inpatient care per day, typically 50 minutes Facility 2022 69 69 $14,000 $6,537 46.7%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 51 58 $11,650 $5,321 45.7%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 74 95 $8,835 $4,748 53.7%

About Dr. Keith Friedenberg, M.D

Dr. Keith Friedenberg, M.D is a Gastroenterology healthcare provider based in Mentor, Ohio. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 09/01/2006. The National Provider Identifier (NPI) number assigned to this provider is 1104928043.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Keith Friedenberg, M.D has received a total of $108,383 in payments from pharmaceutical and medical device companies, with $44,508 received in 2024. These payments were reported across 649 transactions from 44 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" ($58,723).

As a Medicare-enrolled provider, Friedenberg has provided services to 5,507 Medicare beneficiaries, totaling 6,672 services with total Medicare billing of $535,888. Data is available for 4 years (2020–2023), covering 67 distinct procedure/service records.

Practice Information

  • Specialty Gastroenterology
  • Location Mentor, OH
  • Active Since 09/01/2006
  • Last Updated 03/03/2025
  • Taxonomy Code 207RG0100X
  • Entity Type Individual
  • NPI Number 1104928043

Products in Payments

  • VOQUEZNA (Drug) $42,809
  • XELJANZ (Drug) $30,146
  • ZEPOSIA (Drug) $2,770
  • Ozanimod (Drug) $1,874
  • Talicia (Drug) $1,500
  • STELARA (Biological) $784.92
  • LINZESS (Drug) $663.79
  • RINVOQ (Biological) $617.48
  • Amitiza (Drug) $550.00
  • DUPIXENT (Biological) $374.63
  • Humira (Biological) $346.72
  • VIBERZI (Drug) $293.41
  • DIFICID (Drug) $256.05
  • XIFAXAN (Drug) $235.97
  • SKYRIZI (Biological) $220.27
  • IBSRELA (Drug) $200.16
  • ENTYVIO (Biological) $192.18
  • CREON (Drug) $169.87
  • VOWST (Biological) $164.54
  • ZENPEP (Drug) $155.95

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 Mentor