Total Payments
$46,825
2022 Payments
$750.00
Companies
3
Transactions
62
Medicare Patients
4,244
Medicare Billing
$276,149
Payment Breakdown by Category
Consulting$39,482 (84.3%)
Travel$6,271 (13.4%)
Food & Beverage$1,071 (2.3%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $39,482 | 15 | 84.3% |
| Travel and Lodging | $6,271 | 25 | 13.4% |
| Food and Beverage | $1,071 | 22 | 2.3% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Merck Sharp & Dohme LLC | $40,678 | 53 | $0 (2022) |
| AstraZeneca Pharmaceuticals LP | $5,760 | 8 | $0 (2017) |
| PFIZER INC. | $387.00 | 1 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2022 | $750.00 | 1 | Merck Sharp & Dohme LLC ($750.00) |
| 2019 | $11,487 | 19 | Merck Sharp & Dohme Corporation ($11,487) |
| 2018 | $17,551 | 17 | Merck Sharp & Dohme Corporation ($17,551) |
| 2017 | $17,037 | 25 | Merck Sharp & Dohme Corporation ($10,890) |
All Payment Transactions
62 individual payment records from CMS Open Payments — Page 1 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 07/06/2022 | Merck Sharp & Dohme LLC | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $750.00 | General |
| Category: ONCOLOGY | ||||||
| 12/11/2019 | Merck Sharp & Dohme Corporation | — | Consulting Fee | Cash or cash equivalent | $4,125.00 | General |
| 12/11/2019 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | Cash or cash equivalent | $150.00 | General |
| 11/15/2019 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | In-kind items and services | $191.10 | General |
| 11/15/2019 | Merck Sharp & Dohme Corporation | — | Food and Beverage | In-kind items and services | $52.35 | General |
| 11/15/2019 | Merck Sharp & Dohme Corporation | — | Food and Beverage | In-kind items and services | $48.32 | General |
| 11/15/2019 | Merck Sharp & Dohme Corporation | — | Food and Beverage | In-kind items and services | $48.32 | General |
| 11/14/2019 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | In-kind items and services | $371.96 | General |
| 11/14/2019 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | In-kind items and services | $253.57 | General |
| 11/14/2019 | Merck Sharp & Dohme Corporation | — | Food and Beverage | In-kind items and services | $149.79 | General |
| 07/05/2019 | Merck Sharp & Dohme Corporation | — | Consulting Fee | Cash or cash equivalent | $4,125.00 | General |
| 07/05/2019 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | Cash or cash equivalent | $150.00 | General |
| 06/21/2019 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | In-kind items and services | $328.83 | General |
| 06/21/2019 | Merck Sharp & Dohme Corporation | — | Food and Beverage | In-kind items and services | $62.92 | General |
| 06/21/2019 | Merck Sharp & Dohme Corporation | — | Food and Beverage | In-kind items and services | $50.80 | General |
| 06/21/2019 | Merck Sharp & Dohme Corporation | — | Food and Beverage | In-kind items and services | $48.17 | General |
| 06/20/2019 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | In-kind items and services | $290.71 | General |
| 06/20/2019 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | In-kind items and services | $290.00 | General |
| 04/05/2019 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $375.00 | General |
| Category: ONCOLOGY | ||||||
| 02/11/2019 | Merck Sharp & Dohme Corporation | KEYTRUDA (Biological) | Consulting Fee | Cash or cash equivalent | $375.00 | General |
| Category: ONCOLOGY | ||||||
| 11/16/2018 | Merck Sharp & Dohme Corporation | — | Consulting Fee | Cash or cash equivalent | $4,875.00 | General |
| 11/16/2018 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | Cash or cash equivalent | $150.00 | General |
| 11/02/2018 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | In-kind items and services | $169.74 | General |
| 11/02/2018 | Merck Sharp & Dohme Corporation | — | Travel and Lodging | In-kind items and services | $102.42 | General |
| 11/02/2018 | Merck Sharp & Dohme Corporation | — | Food and Beverage | In-kind items and services | $50.00 | General |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 11 | 716 | 1,278 | $289,907 | $47,840 |
| 2022 | 12 | 1,199 | 2,024 | $320,622 | $82,220 |
| 2021 | 12 | 1,413 | 2,247 | $287,753 | $75,315 |
| 2020 | 11 | 916 | 1,667 | $265,862 | $70,774 |
Total Patients
4,244
Total Services
7,216
Medicare Billing
$276,149
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 |
|---|---|---|---|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2023 | 188 | 497 | $82,002 | $15,458 | 18.9% |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | Facility | 2023 | 99 | 187 | $105,460 | $13,005 | 12.3% |
| 88321 | Surgical pathology consultation and report on referred slides prepared elsewhere | Office | 2023 | 41 | 43 | $14,835 | $3,450 | 23.3% |
| 88331 | Pathology examination of specimen during surgery, first tissue block | Facility | 2023 | 31 | 62 | $15,596 | $3,291 | 21.1% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Office | 2023 | 42 | 47 | $11,280 | $2,919 | 25.9% |
| 88309 | Pathology examination of tissue using a microscope, high complexity | Facility | 2023 | 22 | 22 | $13,963 | $2,721 | 19.5% |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | Facility | 2023 | 15 | 56 | $10,332 | $1,352 | 13.1% |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | Facility | 2023 | 80 | 119 | $10,400 | $1,151 | 11.1% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Office | 2023 | 12 | 12 | $4,512 | $1,102 | 24.4% |
| 88311 | Preparation of tissue for examination by removing any calcium present | Facility | 2023 | 50 | 92 | $5,252 | $986.14 | 18.8% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Facility | 2023 | 31 | 33 | $7,095 | $978.45 | 13.8% |
| 88360 | Microscopic genetic analysis of tumor, manual | Facility | 2023 | 15 | 16 | $3,850 | $567.36 | 14.7% |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | Office | 2023 | 13 | 14 | $2,155 | $554.12 | 25.7% |
| 88300 | Pathology examination of tissue using a microscope, limited examination | Facility | 2023 | 77 | 78 | $3,175 | $304.76 | 9.6% |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | Facility | 2022 | 144 | 313 | $89,831 | $22,994 | 25.6% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Facility | 2022 | 236 | 545 | $71,395 | $18,045 | 25.3% |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | Office | 2022 | 15 | 80 | $26,160 | $6,810 | 26.0% |
| 88309 | Pathology examination of tissue using a microscope, high complexity | Facility | 2022 | 36 | 42 | $21,336 | $5,460 | 25.6% |
| 88321 | Surgical pathology consultation and report on referred slides prepared elsewhere | Office | 2022 | 56 | 56 | $19,320 | $4,957 | 25.7% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Office | 2022 | 59 | 66 | $15,731 | $4,218 | 26.8% |
| 88331 | Pathology examination of specimen during surgery, first tissue block | Facility | 2022 | 25 | 70 | $15,190 | $3,832 | 25.2% |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | Facility | 2022 | 30 | 113 | $11,187 | $2,835 | 25.3% |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | Office | 2022 | 11 | 11 | $10,439 | $2,787 | 26.7% |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | Facility | 2022 | 176 | 269 | $10,760 | $2,706 | 25.2% |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | Office | 2022 | 21 | 21 | $7,896 | $2,039 | 25.8% |
About Dr. William Westra, M.D
Dr. William Westra, M.D is a Anatomic Pathology healthcare provider based in Tampa, Florida. 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 1114953346.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. William Westra, M.D has received a total of $46,825 in payments from pharmaceutical and medical device companies, with $750.00 received in 2022. These payments were reported across 62 transactions from 3 companies. The most common payment nature is "Consulting Fee" ($39,482).
As a Medicare-enrolled provider, Westra has provided services to 4,244 Medicare beneficiaries, totaling 7,216 services with total Medicare billing of $276,149. Data is available for 4 years (2020–2023), covering 58 distinct procedure/service records.
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Practice Information
- Specialty Anatomic Pathology
- Location Tampa, FL
- Active Since 06/22/2006
- Last Updated 09/03/2025
- Taxonomy Code 207ZP0101X
- Entity Type Individual
- NPI Number 1114953346
Products in Payments
- KEYTRUDA (Biological) $14,326
- IMFINZI (Drug) $5,760
- IBRANCE (Drug) $387.00
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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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