Dr. John Williamson, M.D
Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Travel and Lodging | $521.25 | 1 | 64.6% |
| Food and Beverage | $285.61 | 3 | 35.4% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Covidien LP | $671.25 | 3 | $0 (2018) |
| Hologic Sales and Service, LLC | $135.61 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $135.61 | 1 | Hologic Sales and Service, LLC ($135.61) |
| 2018 | $671.25 | 3 | Covidien LP ($671.25) |
All Payment Transactions
4 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 03/28/2024 | Hologic Sales and Service, LLC | APTIMA (Device) | Food and Beverage | In-kind items and services | $135.61 | General |
| Category: Diagnostics | ||||||
| 02/20/2018 | Covidien LP | LigaSure (Device) | Travel and Lodging | In-kind items and services | $521.25 | General |
| Category: Vessel Sealing | ||||||
| 02/18/2018 | Covidien LP | LigaSure (Device) | Food and Beverage | In-kind items and services | $75.00 | General |
| Category: Vessel Sealing | ||||||
| 02/17/2018 | Covidien LP | V-Loc (Device) | Food and Beverage | In-kind items and services | $75.00 | General |
| Category: Suture | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 14 | 770 | 1,418 | $112,260 | $36,319 |
| 2022 | 15 | 808 | 1,474 | $118,396 | $38,951 |
| 2021 | 13 | 763 | 1,387 | $104,243 | $34,302 |
| 2020 | 14 | 751 | 1,360 | $108,689 | $37,996 |
All Medicare Procedures & Services
56 procedure records from CMS Medicare Utilization — Page 3 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 88360 | Microscopic genetic analysis of tumor | Facility | 2020 | 19 | 30 | $3,570 | $1,004 | 28.1% |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | Facility | 2020 | 20 | 35 | $2,030 | $741.32 | 36.5% |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | Facility | 2020 | 65 | 78 | $1,872 | $697.16 | 37.2% |
| 88311 | Preparation of tissue for examination by removing any calcium present | Facility | 2020 | 41 | 48 | $1,362 | $473.76 | 34.8% |
| 88172 | Evaluation of fine needle aspirate | Facility | 2020 | 12 | 16 | $1,072 | $400.61 | 37.4% |
| 88300 | Pathology examination of tissue using a microscope, limited examination | Facility | 2020 | 16 | 16 | $192.00 | $56.75 | 29.6% |
About Dr. John Williamson, M.D
Dr. John Williamson, M.D is a Anatomic Pathology & Clinical Pathology healthcare provider based in Louisville, Kentucky. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/31/2005. The National Provider Identifier (NPI) number assigned to this provider is 1154324598.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. John Williamson, M.D has received a total of $806.86 in payments from pharmaceutical and medical device companies, with $135.61 received in 2024. These payments were reported across 4 transactions from 2 companies. The most common payment nature is "Travel and Lodging" ($521.25).
As a Medicare-enrolled provider, Williamson has provided services to 3,092 Medicare beneficiaries, totaling 5,639 services with total Medicare billing of $147,568. Data is available for 4 years (2020–2023), covering 56 distinct procedure/service records.
Practice Information
- Specialty Anatomic Pathology & Clinical Pathology
- Location Louisville, KY
- Active Since 05/31/2005
- Last Updated 07/06/2010
- Taxonomy Code 207ZP0102X
- Entity Type Individual
- NPI Number 1154324598
Products in Payments
- LigaSure (Device) $596.25
- APTIMA (Device) $135.61
- V-Loc (Device) $75.00
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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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