Total Payments
$10,783
2024 Payments
$1,235
Companies
64
Transactions
788
Medicare Patients
5,138
Medicare Billing
$646,253
Payment Breakdown by Category
Food & Beverage$10,627 (98.6%)
Education$156.25 (1.4%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $10,627 | 773 | 98.6% |
| Education | $156.25 | 15 | 1.4% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Novo Nordisk Inc | $1,186 | 90 | $0 (2024) |
| ABBVIE INC. | $1,102 | 103 | $0 (2024) |
| Amgen Inc. | $925.73 | 55 | $0 (2024) |
| GlaxoSmithKline, LLC. | $689.64 | 48 | $0 (2024) |
| PFIZER INC. | $653.66 | 49 | $0 (2024) |
| Astellas Pharma US Inc | $555.74 | 34 | $0 (2023) |
| AstraZeneca Pharmaceuticals LP | $548.19 | 39 | $0 (2024) |
| Amarin Pharma Inc. | $513.88 | 34 | $0 (2022) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $499.04 | 49 | $0 (2021) |
| Merck Sharp & Dohme LLC | $389.38 | 33 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,235 | 72 | Novo Nordisk Inc ($207.67) |
| 2023 | $1,449 | 100 | ABBVIE INC. ($390.39) |
| 2022 | $889.22 | 61 | ABBVIE INC. ($148.47) |
| 2021 | $1,343 | 97 | Novo Nordisk Inc ($195.16) |
| 2020 | $1,005 | 69 | Amarin Pharma Inc. ($231.48) |
| 2019 | $1,284 | 87 | Amgen Inc. ($255.99) |
| 2018 | $1,409 | 112 | Amgen Inc. ($215.17) |
| 2017 | $2,169 | 190 | Novo Nordisk Inc ($210.77) |
All Payment Transactions
788 individual payment records from CMS Open Payments — Page 1 of 32
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/30/2024 | GlaxoSmithKline, LLC. | AREXVY (Drug), TRELEGY ELLIPTA | Food and Beverage | In-kind items and services | $20.25 | General |
| Category: RESPIRATORY | ||||||
| 12/19/2024 | Sumitomo Pharma America, Inc. | GEMTESA (Drug) | Food and Beverage | In-kind items and services | $28.16 | General |
| Category: UROLOGY | ||||||
| 12/12/2024 | Mylan Specialty L.P. | YUPELRI (Drug) | Food and Beverage | In-kind items and services | $14.02 | General |
| Category: Anticholinergics, Inhaled | ||||||
| 12/05/2024 | GlaxoSmithKline, LLC. | AREXVY (Drug), TRELEGY ELLIPTA | Food and Beverage | In-kind items and services | $17.72 | General |
| Category: RESPIRATORY | ||||||
| 12/04/2024 | Vital Connect, Inc | VITALPATCH RTM (Device) | Food and Beverage | In-kind items and services | $14.00 | General |
| Category: CARDIOLOGY | ||||||
| 11/26/2024 | PFIZER INC. | ELIQUIS (Drug), NURTEC ODT | Food and Beverage | In-kind items and services | $26.09 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 11/20/2024 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $16.45 | General |
| Category: Oncology | ||||||
| 11/19/2024 | Novo Nordisk Inc | Rybelsus (Drug), Ozempic | Food and Beverage | In-kind items and services | $18.53 | General |
| Category: Diabetes | ||||||
| 11/14/2024 | Novo Nordisk Inc | Wegovy (Drug) | Food and Beverage | In-kind items and services | $22.82 | General |
| Category: Obesity | ||||||
| 11/06/2024 | PFIZER INC. | NURTEC ODT (Drug), ZAVZPRET | Food and Beverage | In-kind items and services | $13.16 | General |
| Category: PAIN | ||||||
| 11/05/2024 | AstraZeneca Pharmaceuticals LP | — | Food and Beverage | In-kind items and services | $14.21 | General |
| 10/31/2024 | ABBVIE INC. | UBRELVY (Drug) | Food and Beverage | In-kind items and services | $11.83 | General |
| Category: NEUROSCIENCE | ||||||
| 10/29/2024 | Abbott Laboratories | FREESTYLE LIBRE 3 (Device) | Food and Beverage | In-kind items and services | $14.98 | General |
| Category: Diabetes Care | ||||||
| 10/28/2024 | ABBVIE INC. | QULIPTA (Drug), UBRELVY | Food and Beverage | In-kind items and services | $12.40 | General |
| Category: NEUROSCIENCE | ||||||
| 10/16/2024 | Novo Nordisk Inc | Rybelsus (Drug), Ozempic | Food and Beverage | In-kind items and services | $16.21 | General |
| Category: Diabetes | ||||||
| 10/16/2024 | Salix Pharmaceuticals, a division of Bausch Health US, LLC | XIFAXAN (Drug) | Food and Beverage | In-kind items and services | $15.88 | General |
| Category: Gastroenterology | ||||||
| 10/07/2024 | GlaxoSmithKline, LLC. | AREXVY (Drug), TRELEGY ELLIPTA | Food and Beverage | In-kind items and services | $21.09 | General |
| Category: RESPIRATORY | ||||||
| 10/01/2024 | Exact Sciences Corporation | Cologuard Collection Kit (Device) | Food and Beverage | In-kind items and services | $15.73 | General |
| Category: Oncology | ||||||
| 09/25/2024 | Amgen Inc. | EVENITY (Biological), Prolia | Food and Beverage | In-kind items and services | $14.73 | General |
| Category: Bone Health | ||||||
| 09/24/2024 | ABBVIE INC. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $12.78 | General |
| Category: NEUROSCIENCE | ||||||
| 09/23/2024 | Sumitomo Pharma America, Inc. | GEMTESA (Drug) | Food and Beverage | In-kind items and services | $23.45 | General |
| Category: UROLOGY | ||||||
| 09/18/2024 | Novo Nordisk Inc | Ozempic (Drug), Rybelsus | Food and Beverage | In-kind items and services | $24.66 | General |
| Category: Diabetes | ||||||
| 09/12/2024 | ABBVIE INC. | UBRELVY (Drug) | Food and Beverage | In-kind items and services | $8.31 | General |
| Category: NEUROSCIENCE | ||||||
| 09/11/2024 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $14.00 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 09/04/2024 | AstraZeneca Pharmaceuticals LP | — | Food and Beverage | In-kind items and services | $14.21 | General |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 12 | 1,721 | 2,765 | $431,979 | $184,002 |
| 2022 | 15 | 1,248 | 2,399 | $380,539 | $174,549 |
| 2021 | 18 | 1,388 | 2,305 | $374,242 | $190,108 |
| 2020 | 13 | 781 | 1,450 | $214,060 | $97,594 |
Total Patients
5,138
Total Services
8,919
Medicare Billing
$646,253
Procedure Codes
58
All Medicare Procedures & Services
58 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 525 | 1,457 | $254,975 | $116,309 | 45.6% |
| 77067 | Screening mammography | Office | 2023 | 385 | 385 | $65,835 | $32,140 | 48.8% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2023 | 109 | 109 | $19,075 | $13,075 | 68.5% |
| 77063 | Screening 3d breast mammography | Office | 2023 | 390 | 390 | $59,670 | $8,467 | 14.2% |
| 90662 | Influenza vaccine split virus, preservative free | Office | 2023 | 79 | 80 | $6,000 | $5,744 | 95.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 43 | 50 | $6,000 | $2,503 | 41.7% |
| G0008 | Administration of influenza virus vaccine | Office | 2023 | 80 | 81 | $5,589 | $2,343 | 41.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 13 | 13 | $3,939 | $1,264 | 32.1% |
| 96372 | Injection of drug or substance under skin or into muscle | Office | 2023 | 19 | 118 | $4,838 | $1,167 | 24.1% |
| 17000 | Destruction of precancer skin growth, 1 growth | Office | 2023 | 14 | 16 | $2,400 | $646.49 | 26.9% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2023 | 26 | 26 | $2,418 | $257.04 | 10.6% |
| 81003 | Automated urinalysis test | Office | 2023 | 38 | 40 | $1,240 | $86.60 | 7.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 575 | 1,531 | $266,575 | $121,576 | 45.6% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2022 | 156 | 156 | $27,300 | $19,232 | 70.4% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 105 | 105 | $31,815 | $9,748 | 30.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 78 | 94 | $11,256 | $5,387 | 47.9% |
| G0438 | Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Office | 2022 | 33 | 33 | $10,230 | $5,253 | 51.3% |
| 90662 | Influenza vaccine split virus, preservative free | Office | 2022 | 58 | 58 | $4,350 | $3,965 | 91.2% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 27 | 27 | $6,075 | $2,981 | 49.1% |
| 99495 | Transitional care management services for problem of moderate complexity | Office | 2022 | 13 | 13 | $4,992 | $2,021 | 40.5% |
| G0008 | Administration of influenza virus vaccine | Office | 2022 | 65 | 65 | $4,485 | $1,789 | 39.9% |
| 96372 | Injection of drug or substance under skin or into muscle | Office | 2022 | 21 | 119 | $4,879 | $1,145 | 23.5% |
| 17000 | Destruction of precancer skin growth, 1 growth | Office | 2022 | 11 | 16 | $2,400 | $753.48 | 31.4% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2022 | 43 | 44 | $4,092 | $395.62 | 9.7% |
| J1040 | Injection, methylprednisolone acetate, 80 mg | Office | 2022 | 13 | 16 | $336.00 | $110.41 | 32.9% |
About Dr. William Gammon, MD
Dr. William Gammon, MD is a Family Medicine healthcare provider based in Myrtle Beach, South Carolina. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/05/2005. The National Provider Identifier (NPI) number assigned to this provider is 1164419941.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. William Gammon, MD has received a total of $10,783 in payments from pharmaceutical and medical device companies, with $1,235 received in 2024. These payments were reported across 788 transactions from 64 companies. The most common payment nature is "Food and Beverage" ($10,627).
As a Medicare-enrolled provider, Gammon has provided services to 5,138 Medicare beneficiaries, totaling 8,919 services with total Medicare billing of $646,253. Data is available for 4 years (2020–2023), covering 58 distinct procedure/service records.
Ad
Practice Information
- Specialty Family Medicine
- Location Myrtle Beach, SC
- Active Since 10/05/2005
- Last Updated 02/15/2021
- Taxonomy Code 207Q00000X
- Entity Type Individual
- NPI Number 1164419941
Products in Payments
- Vascepa (Drug) $513.88
- Ozempic (Drug) $469.79
- VRAYLAR (Drug) $394.43
- XARELTO (Drug) $329.35
- Prolia (Biological) $319.92
- FARXIGA (Drug) $284.90
- MYRBETRIQ (Drug) $280.59
- UBRELVY (Drug) $274.94
- ELIQUIS (Drug) $260.36
- XIFAXAN (Drug) $235.58
- JARDIANCE (Drug) $224.42
- TRELEGY ELLIPTA (Drug) $223.97
- EVENITY (Biological) $198.51
- GEMTESA (Drug) $194.00
- QULIPTA (Drug) $176.34
- Victoza (Drug) $169.57
- SHINGRIX (Biological) $167.62
- JANUVIA (Drug) $158.68
- ENTRESTO (Drug) $153.02
- Myrbetriq (Drug) $149.90
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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