Total Payments
$3,420
2024 Payments
$1,055
Companies
11
Transactions
278
Medicare Patients
6,499
Medicare Billing
$417,043
Payment Breakdown by Category
Food & Beverage$3,412 (99.8%)
Education$8.45 (0.2%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $3,412 | 277 | 99.8% |
| Education | $8.45 | 1 | 0.2% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| ABBVIE INC. | $1,483 | 129 | $0 (2024) |
| Janssen Biotech, Inc. | $916.63 | 85 | $0 (2024) |
| E.R. Squibb & Sons, L.L.C. | $343.97 | 25 | $0 (2024) |
| Novartis Pharmaceuticals Corporation | $301.85 | 19 | $0 (2024) |
| Lilly USA, LLC | $141.82 | 7 | $0 (2024) |
| PFIZER INC. | $80.95 | 4 | $0 (2023) |
| Regeneron Healthcare Solutions, Inc. | $62.16 | 4 | $0 (2023) |
| UCB, Inc. | $32.29 | 2 | $0 (2023) |
| Sun Pharmaceutical Industries Inc. | $23.12 | 1 | $0 (2022) |
| Amgen Inc. | $20.60 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,055 | 80 | ABBVIE INC. ($356.12) |
| 2023 | $1,033 | 81 | ABBVIE INC. ($381.02) |
| 2022 | $753.73 | 67 | ABBVIE INC. ($306.74) |
| 2021 | $579.39 | 50 | AbbVie Inc. ($438.94) |
All Payment Transactions
278 individual payment records from CMS Open Payments — Page 1 of 12
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/26/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $12.79 | General |
| Category: Immunology | ||||||
| 12/16/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $7.98 | General |
| Category: Immunology | ||||||
| 12/12/2024 | ABBVIE INC. | SKYRIZI (Biological) | Food and Beverage | In-kind items and services | $7.15 | General |
| Category: IMMUNOLOGY | ||||||
| 12/11/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $10.16 | General |
| Category: Immunology | ||||||
| 12/05/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $6.97 | General |
| Category: Immunology | ||||||
| 12/02/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $13.25 | General |
| Category: Immunology | ||||||
| 11/27/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $11.24 | General |
| Category: Immunology | ||||||
| 11/19/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $7.25 | General |
| Category: Immunology | ||||||
| 11/14/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $7.99 | General |
| Category: Immunology | ||||||
| 11/08/2024 | ABBVIE INC. | SKYRIZI (Biological) | Food and Beverage | In-kind items and services | $7.19 | General |
| Category: IMMUNOLOGY | ||||||
| 11/07/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $5.78 | General |
| Category: Immunology | ||||||
| 10/17/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $11.24 | General |
| Category: Immunology | ||||||
| 10/15/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $9.58 | General |
| Category: Immunology | ||||||
| 10/15/2024 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $9.58 | General |
| Category: IMMUNOLOGY | ||||||
| 10/08/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $3.85 | General |
| Category: Immunology | ||||||
| 10/02/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $10.56 | General |
| Category: Immunology | ||||||
| 09/30/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $10.36 | General |
| Category: Immunology | ||||||
| 09/26/2024 | ABBVIE INC. | SKYRIZI (Biological) | Food and Beverage | In-kind items and services | $9.55 | General |
| Category: IMMUNOLOGY | ||||||
| 09/25/2024 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $26.50 | General |
| Category: IMMUNOLOGY | ||||||
| 09/11/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $4.13 | General |
| Category: Immunology | ||||||
| 09/09/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $6.38 | General |
| Category: Immunology | ||||||
| 08/28/2024 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $23.44 | General |
| Category: IMMUNOLOGY | ||||||
| 08/27/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $5.09 | General |
| Category: Immunology | ||||||
| 08/21/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $17.86 | General |
| Category: Immunology | ||||||
| 08/21/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $6.50 | General |
| Category: Immunology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 15 | 1,919 | 3,936 | $580,668 | $121,413 |
| 2022 | 15 | 1,896 | 3,606 | $594,102 | $125,644 |
| 2021 | 13 | 1,582 | 3,195 | $463,703 | $103,525 |
| 2020 | 11 | 1,102 | 2,122 | $314,700 | $66,462 |
Total Patients
6,499
Total Services
12,859
Medicare Billing
$417,043
Procedure Codes
54
All Medicare Procedures & Services
54 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 | 272 | 386 | $127,380 | $25,600 | 20.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 330 | 412 | $94,760 | $21,245 | 22.4% |
| 17110 | Destruction of skin growth, 1-14 growths | Office | 2023 | 154 | 183 | $53,160 | $12,193 | 22.9% |
| 11102 | Biopsy of related skin growth, first growth | Office | 2023 | 202 | 231 | $61,460 | $11,770 | 19.2% |
| 17000 | Destruction of precancer skin growth, 1 growth | Office | 2023 | 300 | 398 | $67,007 | $11,542 | 17.2% |
| 17004 | Destruction of precancer skin growth, 15 or more growths | Office | 2023 | 80 | 108 | $45,693 | $10,613 | 23.2% |
| 17003 | Destruction of precancer skin growth, 2-14 growths | Office | 2023 | 257 | 1,864 | $30,886 | $7,517 | 24.3% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 120 | 120 | $34,200 | $7,029 | 20.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 82 | 82 | $34,850 | $6,880 | 19.7% |
| 11103 | Biopsy of related skin growth, each additional growth | Office | 2023 | 49 | 75 | $10,141 | $2,338 | 23.1% |
| 11401 | Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm | Office | 2023 | 16 | 19 | $7,641 | $1,774 | 23.2% |
| 17111 | Destruction of skin growth, 15 or more growths | Office | 2023 | 14 | 15 | $5,103 | $1,154 | 22.6% |
| 69100 | Biopsy of ear | Office | 2023 | 15 | 15 | $3,808 | $935.39 | 24.6% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 15 | 15 | $2,175 | $487.89 | 22.4% |
| 99202 | New patient office or other outpatient visit, 15-29 minutes | Office | 2023 | 13 | 13 | $2,405 | $336.28 | 14.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 266 | 398 | $131,340 | $30,321 | 23.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 326 | 415 | $95,450 | $18,097 | 19.0% |
| 17004 | Destruction of precancer skin growth, 15 or more growths | Office | 2022 | 121 | 182 | $77,001 | $16,996 | 22.1% |
| 17110 | Destruction of skin growth, 1-14 growths | Office | 2022 | 177 | 206 | $59,841 | $13,604 | 22.7% |
| 11102 | Biopsy of related skin growth, first growth | Office | 2022 | 201 | 223 | $59,331 | $12,096 | 20.4% |
| 17000 | Destruction of precancer skin growth, 1 growth | Office | 2022 | 290 | 379 | $63,808 | $11,293 | 17.7% |
| 17003 | Destruction of precancer skin growth, 2-14 growths | Office | 2022 | 229 | 1,488 | $24,656 | $6,049 | 24.5% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 103 | 103 | $29,355 | $5,474 | 18.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 46 | 46 | $19,550 | $4,340 | 22.2% |
| 11103 | Biopsy of related skin growth, each additional growth | Office | 2022 | 62 | 83 | $11,222 | $2,641 | 23.5% |
About Mark Williams, PA-C
Mark Williams, PA-C is a Physician Assistant healthcare provider based in Salem, Oregon. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/30/2006. The National Provider Identifier (NPI) number assigned to this provider is 1255369765.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Mark Williams, PA-C has received a total of $3,420 in payments from pharmaceutical and medical device companies, with $1,055 received in 2024. These payments were reported across 278 transactions from 11 companies. The most common payment nature is "Food and Beverage" ($3,412).
As a Medicare-enrolled provider, Williams has provided services to 6,499 Medicare beneficiaries, totaling 12,859 services with total Medicare billing of $417,043. Data is available for 4 years (2020–2023), covering 54 distinct procedure/service records.
Ad
Practice Information
- Specialty Physician Assistant
- Location Salem, OR
- Active Since 06/30/2006
- Last Updated 07/13/2015
- Taxonomy Code 363A00000X
- Entity Type Individual
- NPI Number 1255369765
Products in Payments
- SKYRIZI (Biological) $1,030
- TREMFYA (Drug) $737.28
- RINVOQ (Biological) $351.58
- Sotyktu (Drug) $343.97
- REMICADE (Biological) $179.35
- COSENTYX (Biological) $164.89
- COSENTYX (Drug) $136.96
- TALTZ (Drug) $126.05
- HUMIRA (Biological) $82.41
- DUPIXENT (Biological) $62.16
- CIBINQO (Drug) $42.34
- EUCRISA (Drug) $38.61
- Cimzia (Drug) $32.29
- Winlevi (Drug) $23.12
- Otezla (Drug) $20.60
- OLUMIANT (Drug) $15.77
- OPZELURA (Drug) $14.08
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.
Physician Assistant Doctors in Salem
Shawn Hill, Mpas, MPAS
Physician Assistant — Payments: $16,101
Physician Assistant $16,101
Mrs. Olivia Darwin, Pa-C, PA-C
Physician Assistant — Payments: $9,122
Physician Assistant $9,122
Shannon Snyder, Pa-C, PA-C
Physician Assistant — Payments: $8,469
Physician Assistant $8,469
Eric Harmon, Pa, PA
Physician Assistant — Payments: $8,455
Physician Assistant $8,455
Robert Wollenzien
Physician Assistant — Payments: $7,551
Physician Assistant $7,551
Jordan Young, Pa-C, PA-C
Physician Assistant — Payments: $7,356
Physician Assistant $7,356