Total Payments
$6,361
2024 Payments
$1,158
Companies
42
Transactions
262
Medicare Patients
3,669
Medicare Billing
$395,554
Payment Breakdown by Category
Food & Beverage$4,853 (76.3%)
Travel$1,472 (23.1%)
Education$35.41 (0.6%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $4,853 | 255 | 76.3% |
| Travel and Lodging | $1,472 | 1 | 23.1% |
| Education | $35.41 | 2 | 0.6% |
| Unspecified | $0 | 4 | 0.0% |
Payments by Type
General
$6,361
258 transactions
Ownership
$0
4 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Echosens North America, Inc. | $1,501 | 3 | $0 (2024) |
| Janssen Biotech, Inc. | $769.01 | 44 | $0 (2024) |
| ABBVIE INC. | $751.85 | 32 | $0 (2024) |
| Takeda Pharmaceuticals U.S.A., Inc. | $566.90 | 38 | $0 (2024) |
| PFIZER INC. | $322.81 | 20 | $0 (2024) |
| E.R. Squibb & Sons, L.L.C. | $249.98 | 2 | $0 (2024) |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $239.74 | 14 | $0 (2023) |
| Gilead Sciences, Inc. | $163.93 | 7 | $0 (2023) |
| IRONWOOD PHARMACEUTICALS, INC | $152.68 | 9 | $0 (2024) |
| UCB, Inc. | $139.49 | 9 | $0 (2019) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,158 | 46 | E.R. Squibb & Sons, L.L.C. ($249.98) |
| 2023 | $918.91 | 46 | Janssen Biotech, Inc. ($166.37) |
| 2022 | $940.39 | 46 | ABBVIE INC. ($317.31) |
| 2021 | $280.83 | 16 | Janssen Biotech, Inc. ($72.03) |
| 2020 | $177.08 | 12 | Janssen Biotech, Inc. ($30.14) |
| 2019 | $380.54 | 27 | UCB, Inc. ($50.93) |
| 2018 | $2,042 | 43 | Echosens North America, Inc. ($1,484) |
| 2017 | $463.18 | 26 | Janssen Pharmaceuticals, Inc ($102.00) |
All Payment Transactions
262 individual payment records from CMS Open Payments — Page 1 of 11
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/17/2024 | Echosens North America, Inc. | FibroScan (Device) | Food and Beverage | Cash or cash equivalent | $16.49 | General |
| Category: Elastography | ||||||
| 12/11/2024 | ABBVIE INC. | MAVYRET (Drug) | Food and Beverage | In-kind items and services | $19.59 | General |
| Category: VIROLOGY | ||||||
| 12/05/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $6.07 | General |
| Category: Immunology | ||||||
| 12/02/2024 | Takeda Pharmaceuticals U.S.A., Inc. | EOHILIA (Drug) | Food and Beverage | In-kind items and services | $18.97 | General |
| Category: INTERNAL MEDICINE | ||||||
| 11/20/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Food and Beverage | In-kind items and services | $18.43 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/18/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $9.87 | General |
| Category: Immunology | ||||||
| 11/12/2024 | VIVUS LLC | PANCREAZE (Drug) | Food and Beverage | In-kind items and services | $18.30 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/04/2024 | ABBVIE INC. | CREON (Drug), LINZESS | Food and Beverage | In-kind items and services | $19.90 | General |
| Category: ENDOCRINOLOGY | ||||||
| 10/24/2024 | IRONWOOD PHARMACEUTICALS, INC | Linzess (Drug) | Food and Beverage | Cash or cash equivalent | $19.48 | General |
| Category: GI | ||||||
| 10/14/2024 | Merck Sharp & Dohme LLC | DIFICID (Drug) | Food and Beverage | In-kind items and services | $14.15 | General |
| Category: INFECTIOUS DISEASE | ||||||
| 10/07/2024 | PFIZER INC. | XELJANZ (Drug), VELSIPITY | Food and Beverage | In-kind items and services | $15.20 | General |
| Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT | ||||||
| 09/23/2024 | ABBVIE INC. | MAVYRET (Drug) | Food and Beverage | In-kind items and services | $16.46 | General |
| Category: VIROLOGY | ||||||
| 09/18/2024 | AIMMUNE THERAPEUTICS, INC. | VOWST (Biological) | Food and Beverage | In-kind items and services | $21.44 | General |
| Category: GI | ||||||
| 09/17/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Food and Beverage | In-kind items and services | $20.00 | General |
| Category: GASTROENTEROLOGY | ||||||
| 09/12/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $26.83 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 08/19/2024 | Takeda Pharmaceuticals U.S.A., Inc. | EOHILIA (Drug) | Food and Beverage | In-kind items and services | $18.30 | General |
| Category: INTERNAL MEDICINE | ||||||
| 08/15/2024 | PFIZER INC. | XELJANZ (Drug), VELSIPITY | Food and Beverage | In-kind items and services | $21.53 | General |
| Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT | ||||||
| 08/07/2024 | Takeda Pharmaceuticals U.S.A., Inc. | ENTYVIO (Biological) | Food and Beverage | In-kind items and services | $21.74 | General |
| Category: INTERNAL MEDICINE | ||||||
| 08/05/2024 | Celgene Corporation | ZEPOSIA (Drug) | Food and Beverage | Cash or cash equivalent | $15.96 | General |
| Category: Neuroscience | ||||||
| 07/30/2024 | Janssen Biotech, Inc. | STELARA (Biological) | Food and Beverage | In-kind items and services | $40.33 | General |
| Category: Immunology | ||||||
| 07/22/2024 | Merck Sharp & Dohme LLC | DIFICID (Drug) | Food and Beverage | In-kind items and services | $16.69 | General |
| Category: INFECTIOUS DISEASE | ||||||
| 07/17/2024 | Takeda Pharmaceuticals U.S.A., Inc. | ENTYVIO (Biological) | Food and Beverage | In-kind items and services | $14.30 | General |
| Category: INTERNAL MEDICINE | ||||||
| 07/17/2024 | Takeda Pharmaceuticals U.S.A., Inc. | ENTYVIO (Biological) | Food and Beverage | In-kind items and services | $1.66 | General |
| Category: INTERNAL MEDICINE | ||||||
| 07/15/2024 | Takeda Pharmaceuticals U.S.A., Inc. | EOHILIA (Drug) | Food and Beverage | In-kind items and services | $19.65 | General |
| Category: INTERNAL MEDICINE | ||||||
| 06/11/2024 | IRONWOOD PHARMACEUTICALS, INC | Linzess (Drug) | Food and Beverage | Cash or cash equivalent | $18.42 | General |
| Category: GI | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 11 | 676 | 736 | $488,685 | $82,490 |
| 2022 | 15 | 941 | 1,038 | $587,750 | $101,417 |
| 2021 | 15 | 1,131 | 1,280 | $601,636 | $114,238 |
| 2020 | 15 | 921 | 1,034 | $475,433 | $97,410 |
Total Patients
3,669
Total Services
4,088
Medicare Billing
$395,554
Procedure Codes
56
All Medicare Procedures & Services
56 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 | 105 | 106 | $151,050 | $23,059 | 15.3% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 183 | 242 | $51,304 | $22,647 | 44.1% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 87 | 87 | $28,536 | $10,083 | 35.3% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2023 | 74 | 74 | $92,130 | $7,012 | 7.6% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 99 | 99 | $91,525 | $6,769 | 7.4% |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 2023 | 25 | 25 | $35,850 | $4,564 | 12.7% |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | Facility | 2023 | 16 | 16 | $19,040 | $2,165 | 11.4% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 18 | 18 | $5,400 | $1,718 | 31.8% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 26 | 26 | $5,200 | $1,692 | 32.5% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 22 | 22 | $5,500 | $1,516 | 27.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 21 | 21 | $3,150 | $1,264 | 40.1% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2022 | 102 | 102 | $145,350 | $21,230 | 14.6% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 148 | 199 | $42,188 | $19,384 | 45.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 75 | 75 | $24,600 | $9,879 | 40.2% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 134 | 135 | $121,500 | $9,632 | 7.9% |
| 99222 | Initial hospital inpatient care per day, typically 50 minutes | Facility | 2022 | 74 | 75 | $22,500 | $7,693 | 34.2% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2022 | 84 | 84 | $104,076 | $7,152 | 6.9% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 74 | 113 | $22,600 | $6,323 | 28.0% |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 2022 | 31 | 31 | $44,454 | $6,079 | 13.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 46 | 47 | $7,050 | $2,811 | 39.9% |
| G0121 | Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 2022 | 13 | 13 | $18,642 | $2,548 | 13.7% |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office | 2022 | 101 | 101 | $7,575 | $2,480 | 32.7% |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | Facility | 2022 | 12 | 12 | $13,865 | $1,803 | 13.0% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 22 | 22 | $5,500 | $1,780 | 32.4% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 13 | 17 | $4,250 | $1,326 | 31.2% |
About Dr. Gregory Gambla, DO
Dr. Gregory Gambla, DO is a Gastroenterology healthcare provider based in Elgin, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/22/2006. The National Provider Identifier (NPI) number assigned to this provider is 1801832167.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gregory Gambla, DO has received a total of $6,361 in payments from pharmaceutical and medical device companies, with $1,158 received in 2024. These payments were reported across 262 transactions from 42 companies. The most common payment nature is "Food and Beverage" ($4,853).
As a Medicare-enrolled provider, Gambla has provided services to 3,669 Medicare beneficiaries, totaling 4,088 services with total Medicare billing of $395,554. Data is available for 4 years (2020–2023), covering 56 distinct procedure/service records.
Ad
Practice Information
- Specialty Gastroenterology
- Location Elgin, IL
- Active Since 06/22/2006
- Last Updated 02/18/2015
- Taxonomy Code 207RG0100X
- Entity Type Individual
- NPI Number 1801832167
Products in Payments
- Fibroscan (Device) $1,484
- STELARA (Biological) $524.15
- ENTYVIO (Biological) $322.58
- RINVOQ (Biological) $257.78
- REMICADE (Biological) $228.92
- XELJANZ (Drug) $225.23
- Linzess (Drug) $152.68
- Cimzia (Drug) $139.49
- LINZESS (Drug) $134.55
- DUPIXENT (Biological) $131.16
- XIFAXAN (Drug) $130.33
- ZEPOSIA (Drug) $115.21
- XARELTO (Drug) $102.00
- Amitiza (Drug) $100.90
- DIFICID (Drug) $86.69
- GATTEX (Drug) $86.63
- INFLECTRA (Biological) $84.63
- TRULANCE (Drug) $80.60
- VIBERZI (Drug) $77.63
- Creon (Drug) $76.03
Explore
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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