Total Payments
$289,123
2024 Payments
$31,876
Companies
50
Transactions
627
Medicare Patients
10,468
Medicare Billing
$1.4M
Payment Breakdown by Category
Other$122,577 (42.4%)
Consulting$102,492 (35.4%)
Travel$22,947 (7.9%)
Research$22,279 (7.7%)
Food & Beverage$18,737 (6.5%)
Education$91.41 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $102,492 | 29 | 35.4% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $96,425 | 43 | 33.4% |
| Travel and Lodging | $22,947 | 67 | 7.9% |
| Unspecified | $22,279 | 1 | 7.7% |
| Honoraria | $19,555 | 15 | 6.8% |
| Food and Beverage | $18,737 | 457 | 6.5% |
| Compensation for serving as faculty or as a speaker for an accredited or certified continuing education program | $2,800 | 1 | 1.0% |
| Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program | $2,000 | 1 | 0.7% |
| Grant | $1,563 | 2 | 0.5% |
| Entertainment | $235.49 | 8 | 0.1% |
| Education | $91.41 | 3 | 0.0% |
Payments by Type
General
$266,844
626 transactions
Research
$22,279
1 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Ambu A/S | $54,065 | 4 | $0 (2022) |
| Mauna Kea Technologies, Inc. | $39,091 | 54 | $0 (2024) |
| NESTLE HEALTHCARE NUTRITION INC. | $34,957 | 114 | $0 (2023) |
| CONMED Corporation | $29,313 | 15 | $0 (2024) |
| Covidien LP | $25,647 | 87 | $0 (2020) |
| Pinnacle Biologics, Inc | $18,206 | 24 | $0 (2024) |
| AIMMUNE THERAPEUTICS, INC. | $14,468 | 8 | $0 (2024) |
| ABBVIE INC. | $13,117 | 78 | $0 (2024) |
| Allergan Inc. | $12,015 | 26 | $0 (2019) |
| Medtronic, Inc. | $10,115 | 10 | $0 (2022) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $31,876 | 78 | AIMMUNE THERAPEUTICS, INC. ($14,468) |
| 2023 | $26,718 | 86 | NESTLE HEALTHCARE NUTRITION INC. ($20,474) |
| 2022 | $76,471 | 79 | Ambu A/S ($24,244) |
| 2021 | $66,201 | 99 | Ambu A/S ($26,271) |
| 2020 | $16,947 | 28 | Mauna Kea Technologies, Inc. ($4,117) |
| 2019 | $31,931 | 94 | Allergan Inc. ($11,881) |
| 2018 | $25,532 | 89 | Covidien LP ($15,341) |
| 2017 | $13,448 | 74 | Covidien LP ($4,199) |
All Payment Transactions
627 individual payment records from CMS Open Payments — Page 1 of 26
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/25/2024 | Merit Medical Systems Inc | ESOPHYX (Device) | Food and Beverage | Cash or cash equivalent | $4.32 | General |
| Category: Endoscopy | ||||||
| 12/16/2024 | ABBVIE INC. | LINZESS (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 | $1,725.00 | General |
| Category: GASTROENTEROLOGY | ||||||
| 12/16/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $23.52 | General |
| Category: Endotherapy | ||||||
| 12/16/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $23.51 | General |
| Category: Endotherapy | ||||||
| 12/15/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $332.34 | General |
| Category: Endotherapy | ||||||
| 12/14/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Food and Beverage | In-kind items and services | $23.10 | General |
| Category: Endotherapy | ||||||
| 12/13/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Food and Beverage | In-kind items and services | $31.53 | General |
| Category: Endotherapy | ||||||
| 12/13/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $19.99 | General |
| Category: Endotherapy | ||||||
| 12/13/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $19.04 | General |
| Category: Endotherapy | ||||||
| 12/12/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Food and Beverage | In-kind items and services | $3.88 | General |
| Category: Endotherapy | ||||||
| 12/10/2024 | AIMMUNE THERAPEUTICS, INC. | ZENPEP (Drug) | Travel and Lodging | Cash or cash equivalent | $34.84 | General |
| Category: ENDOCRINE PANCREATIC INSUFFICIENCY | ||||||
| 12/05/2024 | Pinnacle Biologics, Inc | Photofrin (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 | $4,000.00 | General |
| Category: Oncology | ||||||
| 12/05/2024 | Pinnacle Biologics, Inc | Photofrin (Drug) | Travel and Lodging | Cash or cash equivalent | $89.83 | General |
| Category: Oncology | ||||||
| 12/03/2024 | AIMMUNE THERAPEUTICS, INC. | ZENPEP (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 | $3,562.50 | General |
| Category: ENDOCRINE PANCREATIC INSUFFICIENCY | ||||||
| 12/02/2024 | ABBVIE INC. | LINZESS (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 | $1,725.00 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/21/2024 | QOL Medical, LLC | SUCRAID (Drug) | Food and Beverage | Cash or cash equivalent | $26.01 | General |
| Category: THERAPY FOR CSID | ||||||
| 11/14/2024 | AIMMUNE THERAPEUTICS, INC. | ZENPEP (Drug) | Food and Beverage | In-kind items and services | $83.32 | General |
| Category: ENDOCRINE PANCREATIC INSUFFICIENCY | ||||||
| 11/13/2024 | AIMMUNE THERAPEUTICS, INC. | ZENPEP (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 | $8,250.00 | General |
| Category: ENDOCRINE PANCREATIC INSUFFICIENCY | ||||||
| 11/13/2024 | AIMMUNE THERAPEUTICS, INC. | ZENPEP (Drug) | Travel and Lodging | Cash or cash equivalent | $139.36 | General |
| Category: ENDOCRINE PANCREATIC INSUFFICIENCY | ||||||
| 11/05/2024 | Madrigal Pharmaceuticals | REZDIFFRA (Drug) | Honoraria | Cash or cash equivalent | $3,525.00 | General |
| Category: LIVER DISEASE | ||||||
| 11/05/2024 | Pinnacle Biologics, Inc | Photofrin (Drug) | Food and Beverage | Cash or cash equivalent | $87.31 | General |
| Category: Oncology | ||||||
| 11/05/2024 | ABBVIE INC. | RINVOQ (Biological), SKYRIZI | Food and Beverage | In-kind items and services | $16.01 | General |
| Category: IMMUNOLOGY | ||||||
| 11/04/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $215.19 | General |
| Category: Endotherapy | ||||||
| 11/04/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $35.00 | General |
| Category: Endotherapy | ||||||
| 11/02/2024 | Pinnacle Biologics, Inc | Photofrin (Drug) | Travel and Lodging | Cash or cash equivalent | $372.07 | General |
| Category: Oncology | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| CIS-018 | Ambu A/S | $22,279 | 1 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 42 | 2,729 | 3,252 | $2.8M | $372,330 |
| 2022 | 39 | 2,729 | 3,300 | $3.0M | $340,313 |
| 2021 | 42 | 2,735 | 3,430 | $3.3M | $394,984 |
| 2020 | 41 | 2,275 | 2,798 | $2.4M | $313,561 |
Total Patients
10,468
Total Services
12,780
Medicare Billing
$1.4M
Procedure Codes
166
All Medicare Procedures & Services
166 procedure records from CMS Medicare Utilization — Page 1 of 7
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 432 | 615 | $175,755 | $64,872 | 36.9% |
| 43274 | Insertion of stent into pancreatic or bile duct using a flexible endoscope | Facility | 2023 | 94 | 119 | $242,200 | $45,378 | 18.7% |
| 43259 | Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 149 | 152 | $167,200 | $26,570 | 15.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 162 | 162 | $48,600 | $22,323 | 45.9% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2023 | 173 | 178 | $300,400 | $22,299 | 7.4% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 343 | 375 | $527,050 | $19,633 | 3.7% |
| 43242 | Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 81 | 88 | $107,510 | $17,205 | 16.0% |
| 43275 | Removal of stent from pancreatic or bile duct using a flexible endoscope | Facility | 2023 | 54 | 56 | $90,560 | $14,716 | 16.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 158 | 189 | $36,779 | $13,512 | 36.7% |
| 91110 | Imaging of digestive tract done from the inside of the digestive tract | Office | 2023 | 20 | 21 | $42,000 | $13,401 | 31.9% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 118 | 170 | $32,645 | $11,187 | 34.3% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2023 | 52 | 53 | $93,990 | $10,817 | 11.5% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 85 | 93 | $34,066 | $10,219 | 30.0% |
| 43252 | Microscopic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 76 | 87 | $65,250 | $8,735 | 13.4% |
| 43270 | Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 45 | 48 | $104,480 | $8,195 | 7.8% |
| 45390 | Removal of large bowel tissue using a flexible endoscope | Facility | 2023 | 25 | 28 | $49,173 | $7,804 | 15.9% |
| 43249 | Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Facility | 2023 | 44 | 58 | $102,600 | $5,780 | 5.6% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 45 | 56 | $15,579 | $5,610 | 36.0% |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | Office | 2023 | 45 | 48 | $8,400 | $5,043 | 60.0% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 32 | 35 | $13,483 | $5,038 | 37.4% |
| 43264 | Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Facility | 2023 | 78 | 125 | $204,895 | $4,349 | 2.1% |
| 43254 | Removal of tissue lining of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 18 | 19 | $19,735 | $4,123 | 20.9% |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | Facility | 2023 | 29 | 32 | $46,060 | $3,941 | 8.6% |
| 91010 | Study of esophagus to assess movement | Office | 2023 | 14 | 14 | $9,800 | $2,454 | 25.0% |
| 43247 | Removal of foreign bodies of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 15 | 20 | $20,000 | $2,376 | 11.9% |
About Dr. Kamran Ayub, MD
Dr. Kamran Ayub, MD is a Gastroenterology healthcare provider based in Oak Lawn, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/23/2006. The National Provider Identifier (NPI) number assigned to this provider is 1942317243.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Kamran Ayub, MD has received a total of $289,123 in payments from pharmaceutical and medical device companies, with $31,876 received in 2024. These payments were reported across 627 transactions from 50 companies. The most common payment nature is "Consulting Fee" ($102,492).
As a Medicare-enrolled provider, Ayub has provided services to 10,468 Medicare beneficiaries, totaling 12,780 services with total Medicare billing of $1.4M. Data is available for 4 years (2020–2023), covering 166 distinct procedure/service records.
Ad
Practice Information
- Specialty Gastroenterology
- Location Oak Lawn, IL
- Active Since 08/23/2006
- Last Updated 01/27/2009
- Taxonomy Code 207RG0100X
- Entity Type Individual
- NPI Number 1942317243
Products in Payments
- ZENPEP (Drug) $59,272
- Photofrin (Drug) $18,206
- LINZESS (Drug) $12,249
- CONMED HEMOSTASIS (Device) $8,999
- Barrx (Device) $6,433
- ELEVIEW (Device) $5,774
- REZDIFFRA (Drug) $5,128
- ESOPHYX (Device) $3,721
- PillCam (Device) $3,106
- Cook Medical Sphincterotomy (Device) $3,065
- Single Use Electrosurgical Knife KD-655 (Device) $1,996
- CapsoCam Plus (Device) $1,391
- Olympus EMR & ESD Devices (Device) $966.36
- DiLumen (Device) $878.83
- DISPOSABLE DISTAL ATTACHMENT (Device) $799.54
- FUSION QUATTRO (Device) $600.00
- Beacon (Device) $489.88
- Overstitch (Device) $350.05
- CONMED GENERATORS (Device) $308.81
- LINX Reflux Management System (Device) $279.49
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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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