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 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2023 | 316 | 517 | $43,428 | $13,473 | 31.0% |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | Facility | 2023 | 49 | 381 | $18,669 | $7,966 | 42.7% |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | Facility | 2023 | 43 | 56 | $10,416 | $3,404 | 32.7% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Facility | 2023 | 85 | 101 | $9,292 | $2,581 | 27.8% |
| 88173 | Evaluation of fine needle aspirate with interpretation and report | Facility | 2023 | 27 | 36 | $5,472 | $1,760 | 32.2% |
| 88309 | Pathology examination of tissue using a microscope, high complexity | Facility | 2023 | 12 | 15 | $4,635 | $1,603 | 34.6% |
| 88360 | Microscopic genetic analysis of tumor, manual | Facility | 2023 | 17 | 33 | $3,927 | $1,021 | 26.0% |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | Facility | 2023 | 44 | 50 | $6,350 | $981.16 | 15.5% |
| 88333 | Pathology cytologic examination of specimen during surgery, initial site | Facility | 2023 | 21 | 21 | $2,562 | $961.80 | 37.5% |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | Facility | 2023 | 17 | 41 | $2,378 | $770.37 | 32.4% |
| 88172 | Evaluation of fine needle aspirate | Facility | 2023 | 22 | 29 | $1,943 | $760.14 | 39.1% |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | Facility | 2023 | 63 | 73 | $1,752 | $591.37 | 33.8% |
| 88311 | Preparation of tissue for examination by removing any calcium present | Facility | 2023 | 31 | 41 | $1,148 | $375.23 | 32.7% |
| 88300 | Pathology examination of tissue using a microscope, limited examination | Facility | 2023 | 23 | 24 | $288.00 | $70.49 | 24.5% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2022 | 290 | 477 | $40,280 | $12,710 | 31.6% |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | Facility | 2022 | 58 | 386 | $18,914 | $8,191 | 43.3% |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | Facility | 2022 | 54 | 73 | $13,578 | $4,542 | 33.5% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Facility | 2022 | 94 | 112 | $10,304 | $2,941 | 28.5% |
| 88331 | Pathology examination of specimen during surgery, first tissue block | Facility | 2022 | 27 | 59 | $7,847 | $2,663 | 33.9% |
| 88309 | Pathology examination of tissue using a microscope, high complexity | Facility | 2022 | 11 | 12 | $3,708 | $1,311 | 35.4% |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | Facility | 2022 | 54 | 63 | $8,001 | $1,250 | 15.6% |
| 88173 | Evaluation of fine needle aspirate with interpretation and report | Facility | 2022 | 17 | 21 | $3,192 | $1,120 | 35.1% |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | Facility | 2022 | 90 | 120 | $2,880 | $984.08 | 34.2% |
| 88333 | Pathology cytologic examination of specimen during surgery, initial site | Facility | 2022 | 15 | 17 | $2,074 | $791.67 | 38.2% |
| 88360 | Microscopic genetic analysis of tumor, manual | Facility | 2022 | 17 | 24 | $2,856 | $756.37 | 26.5% |
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
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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