Total Payments
$6,237
2024 Payments
$92.64
Companies
34
Transactions
377
Medicare Patients
3,821
Medicare Billing
$260,270
Payment Breakdown by Category
Food & Beverage$6,225 (99.8%)
Education$12.02 (0.2%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $6,225 | 375 | 99.8% |
| Education | $12.02 | 2 | 0.2% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Lilly USA, LLC | $1,030 | 66 | $0 (2024) |
| GlaxoSmithKline, LLC. | $737.09 | 48 | $0 (2023) |
| AstraZeneca Pharmaceuticals LP | $668.56 | 43 | $0 (2023) |
| SANOFI-AVENTIS U.S. LLC | $528.33 | 33 | $0 (2022) |
| Novo Nordisk Inc | $476.91 | 30 | $0 (2023) |
| Vanda Pharmaceuticals Inc. | $427.87 | 19 | $0 (2023) |
| AbbVie Inc. | $319.79 | 17 | $0 (2023) |
| PFIZER INC. | $297.22 | 19 | $0 (2024) |
| Janssen Pharmaceuticals, Inc | $260.04 | 20 | $0 (2022) |
| Merck Sharp & Dohme Corporation | $249.84 | 16 | $0 (2021) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $92.64 | 5 | PFIZER INC. ($68.49) |
| 2023 | $987.84 | 53 | Lilly USA, LLC ($249.39) |
| 2022 | $1,052 | 62 | Lilly USA, LLC ($228.33) |
| 2021 | $1,036 | 57 | Lilly USA, LLC ($163.58) |
| 2020 | $806.77 | 52 | SANOFI-AVENTIS U.S. LLC ($142.81) |
| 2019 | $839.36 | 49 | AstraZeneca Pharmaceuticals LP ($157.54) |
| 2018 | $836.39 | 56 | GlaxoSmithKline, LLC. ($150.08) |
| 2017 | $585.74 | 43 | Janssen Pharmaceuticals, Inc ($119.91) |
All Payment Transactions
377 individual payment records from CMS Open Payments — Page 1 of 16
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/22/2024 | PFIZER INC. | ELIQUIS (Drug), NURTEC ODT | Food and Beverage | In-kind items and services | $15.74 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 08/15/2024 | PFIZER INC. | ELIQUIS (Drug), NURTEC ODT | Food and Beverage | In-kind items and services | $19.21 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 05/09/2024 | PFIZER INC. | ELIQUIS (Drug), NURTEC ODT | Food and Beverage | In-kind items and services | $16.05 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 02/22/2024 | PFIZER INC. | ELIQUIS (Drug), PAXLOVID, NURTEC ODT | Food and Beverage | In-kind items and services | $17.49 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 01/08/2024 | Lilly USA, LLC | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $24.15 | General |
| Category: Diabetes | ||||||
| 12/12/2023 | AbbVie Inc. | UBRELVY (Drug) | Food and Beverage | In-kind items and services | $22.91 | General |
| Category: NEUROSCIENCE | ||||||
| 12/05/2023 | Lilly USA, LLC | MOUNJARO (Drug) | Food and Beverage | In-kind items and services | $18.30 | General |
| Category: Diabetes | ||||||
| 11/22/2023 | Lilly USA, LLC | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $21.27 | General |
| Category: Diabetes | ||||||
| 11/21/2023 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug) | Food and Beverage | In-kind items and services | $16.69 | General |
| Category: RESPIRATORY | ||||||
| 11/16/2023 | Novo Nordisk Inc | Rybelsus (Drug), Ozempic | Food and Beverage | In-kind items and services | $19.97 | General |
| Category: Diabetes | ||||||
| 11/01/2023 | AbbVie Inc. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $22.60 | General |
| Category: NEUROSCIENCE | ||||||
| 10/25/2023 | Lilly USA, LLC | MOUNJARO (Drug) | Food and Beverage | In-kind items and services | $18.30 | General |
| Category: Diabetes | ||||||
| 10/25/2023 | PFIZER INC. | ELIQUIS (Drug), PAXLOVID, NURTEC ODT | Food and Beverage | In-kind items and services | $15.46 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 10/19/2023 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug) | Food and Beverage | In-kind items and services | $26.67 | General |
| Category: RESPIRATORY | ||||||
| 10/11/2023 | Novo Nordisk Inc | Rybelsus (Drug), Ozempic | Food and Beverage | In-kind items and services | $15.33 | General |
| Category: Diabetes | ||||||
| 09/27/2023 | Lilly USA, LLC | MOUNJARO (Drug) | Food and Beverage | In-kind items and services | $18.94 | General |
| Category: Diabetes | ||||||
| 09/20/2023 | Vanda Pharmaceuticals Inc. | HETLIOZ (Drug), FANAPT | Food and Beverage | In-kind items and services | $25.88 | General |
| Category: NON-24-HOUR SLEEP-WAKE DISORDER | ||||||
| 08/29/2023 | Lilly USA, LLC | EMGALITY (Drug), JARDIANCE | Food and Beverage | In-kind items and services | $14.49 | General |
| Category: Neuroscience | ||||||
| 08/24/2023 | AbbVie Inc. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $20.09 | General |
| Category: NEUROSCIENCE | ||||||
| 08/23/2023 | Lilly USA, LLC | MOUNJARO (Drug) | Food and Beverage | In-kind items and services | $20.81 | General |
| Category: Diabetes | ||||||
| 08/16/2023 | Novo Nordisk Inc | Ozempic (Drug), Rybelsus | Food and Beverage | In-kind items and services | $12.89 | General |
| Category: Diabetes | ||||||
| 08/14/2023 | Astellas Pharma US Inc | Veozah (Drug) | Food and Beverage | In-kind items and services | $15.58 | General |
| Category: Biological | ||||||
| 08/03/2023 | AbbVie Inc. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $13.81 | General |
| Category: NEUROSCIENCE | ||||||
| 08/01/2023 | PFIZER INC. | ELIQUIS (Drug), PAXLOVID, NURTEC ODT | Food and Beverage | In-kind items and services | $14.80 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 07/27/2023 | Lilly USA, LLC | MOUNJARO (Drug) | Food and Beverage | In-kind items and services | $15.65 | General |
| Category: Diabetes | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 13 | 1,219 | 2,027 | $161,685 | $96,301 |
| 2022 | 12 | 1,379 | 2,262 | $184,609 | $106,179 |
| 2021 | 10 | 800 | 1,038 | $66,414 | $43,929 |
| 2020 | 5 | 423 | 611 | $32,980 | $13,860 |
Total Patients
3,821
Total Services
5,938
Medicare Billing
$260,270
Procedure Codes
40
All Medicare Procedures & Services
40 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 297 | 620 | $88,660 | $49,623 | 56.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 155 | 285 | $29,925 | $15,535 | 51.9% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2023 | 95 | 95 | $14,345 | $11,606 | 80.9% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2023 | 306 | 633 | $9,495 | $5,317 | 56.0% |
| 90662 | Influenza vaccine split virus, preservative free | Office | 2023 | 76 | 76 | $5,320 | $5,214 | 98.0% |
| 99496 | Transitional care management services for problem of high complexity | Office | 2023 | 13 | 13 | $4,095 | $2,709 | 66.2% |
| G0438 | Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Office | 2023 | 11 | 11 | $2,508 | $1,726 | 68.8% |
| G0444 | Annual depression screening, 5 to 15 minutes | Office | 2023 | 89 | 89 | $2,136 | $1,531 | 71.7% |
| G0008 | Administration of influenza virus vaccine | Office | 2023 | 76 | 76 | $1,520 | $1,490 | 98.0% |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Office | 2023 | 29 | 29 | $1,595 | $969.36 | 60.8% |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office | 2023 | 15 | 18 | $666.00 | $233.22 | 35.0% |
| 81002 | Urinalysis, manual test | Office | 2023 | 42 | 67 | $670.00 | $228.47 | 34.1% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2023 | 15 | 15 | $750.00 | $120.56 | 16.1% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 332 | 670 | $95,810 | $53,881 | 56.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 193 | 339 | $35,595 | $19,125 | 53.7% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2022 | 86 | 86 | $12,986 | $10,836 | 83.4% |
| 90662 | Influenza vaccine split virus, preservative free | Office | 2022 | 86 | 87 | $6,090 | $5,963 | 97.9% |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Office | 2022 | 80 | 111 | $6,105 | $4,801 | 78.6% |
| 99496 | Transitional care management services for problem of high complexity | Office | 2022 | 19 | 21 | $6,615 | $4,310 | 65.2% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2022 | 326 | 652 | $9,780 | $1,931 | 19.7% |
| G0008 | Administration of influenza virus vaccine | Office | 2022 | 87 | 88 | $1,760 | $1,725 | 98.0% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 24 | 24 | $5,352 | $1,670 | 31.2% |
| G0444 | Annual depression screening, 15 minutes | Office | 2022 | 60 | 60 | $1,440 | $1,048 | 72.8% |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office | 2022 | 49 | 68 | $2,516 | $697.37 | 27.7% |
| 81002 | Urinalysis, manual test | Office | 2022 | 37 | 56 | $560.00 | $192.76 | 34.4% |
About Dr. Gregory Stamper, DO
Dr. Gregory Stamper, DO is a Internal Medicine healthcare provider based in Williston, Florida. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 01/18/2006. The National Provider Identifier (NPI) number assigned to this provider is 1790765592.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gregory Stamper, DO has received a total of $6,237 in payments from pharmaceutical and medical device companies, with $92.64 received in 2024. These payments were reported across 377 transactions from 34 companies. The most common payment nature is "Food and Beverage" ($6,225).
As a Medicare-enrolled provider, Stamper has provided services to 3,821 Medicare beneficiaries, totaling 5,938 services with total Medicare billing of $260,270. Data is available for 4 years (2020–2023), covering 40 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Location Williston, FL
- Active Since 01/18/2006
- Last Updated 11/11/2025
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1790765592
Products in Payments
- TRULICITY (Drug) $530.52
- FARXIGA (Drug) $462.36
- TRELEGY ELLIPTA (Drug) $413.28
- HETLIOZ (Drug) $310.91
- JARDIANCE (Drug) $263.24
- MOUNJARO (Drug) $252.86
- Ozempic (Drug) $231.32
- ELIQUIS (Drug) $217.81
- SOLIQUA 100/33 (Biological) $192.17
- Rybelsus (Drug) $174.98
- XARELTO (Drug) $164.01
- EMGALITY (Drug) $161.23
- TOUJEO (Drug) $148.60
- JANUVIA (Drug) $141.73
- VRAYLAR (Drug) $127.17
- ANORO (Drug) $114.15
- SYMBICORT (Drug) $102.85
- QULIPTA (Drug) $102.67
- INVOKANA (Drug) $96.03
- Fanapt (Drug) $89.82
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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