Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $1,440 | 68 | 99.7% |
| Education | $4.22 | 1 | 0.3% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Fresenius USA Marketing, Inc. | $458.90 | 30 | $0 (2024) |
| Bayer Healthcare Pharmaceuticals Inc. | $280.78 | 9 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $223.28 | 7 | $0 (2024) |
| Amgen Inc. | $221.68 | 14 | $0 (2024) |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $123.07 | 1 | $0 (2022) |
| Ardelyx, Inc. | $45.27 | 2 | $0 (2024) |
| Horizon Therapeutics plc | $37.73 | 2 | $0 (2023) |
| Mallinckrodt Hospital Products Inc. | $31.36 | 2 | $0 (2023) |
| Otsuka America Pharmaceutical, Inc. | $17.30 | 1 | $0 (2021) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $528.14 | 25 | AstraZeneca Pharmaceuticals LP ($172.31) |
| 2023 | $302.84 | 22 | Fresenius USA Marketing, Inc. ($168.28) |
| 2022 | $359.07 | 8 | Bayer HealthCare Pharmaceuticals Inc. ($174.17) |
| 2021 | $254.52 | 14 | Fresenius USA Marketing, Inc. ($88.13) |
All Payment Transactions
69 individual payment records from CMS Open Payments — Page 1 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 09/19/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $8.79 | General |
| Category: Inflammation/Rare Disease | ||||||
| 09/17/2024 | Fresenius USA Marketing, Inc. | Velphoro (Drug) | Food and Beverage | In-kind items and services | $21.95 | General |
| Category: Phosphate binder for ESRD | ||||||
| 09/17/2024 | Fresenius USA Marketing, Inc. | Velphoro (Drug) | Food and Beverage | In-kind items and services | $3.66 | General |
| Category: Phosphate binder for ESRD | ||||||
| 09/12/2024 | Ardelyx, Inc. | IBSRELA (Drug) | Food and Beverage | In-kind items and services | $24.06 | General |
| Category: GASTROENTEROLOGY | ||||||
| 09/09/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $17.17 | General |
| Category: Inflammation/Rare Disease | ||||||
| 08/30/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $6.33 | General |
| Category: Inflammation/Rare Disease | ||||||
| 08/29/2024 | Fresenius USA Marketing, Inc. | Velphoro (Drug) | Food and Beverage | In-kind items and services | $16.12 | General |
| Category: Phosphate binder for ESRD | ||||||
| 08/29/2024 | Fresenius USA Marketing, Inc. | Velphoro (Drug) | Food and Beverage | In-kind items and services | $8.15 | General |
| Category: Phosphate binder for ESRD | ||||||
| 08/15/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $15.86 | General |
| Category: Inflammation/Rare Disease | ||||||
| 07/23/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $18.10 | General |
| Category: Inflammation/Rare Disease | ||||||
| 07/23/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $3.14 | General |
| Category: Inflammation/Rare Disease | ||||||
| 06/26/2024 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $27.22 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 05/25/2024 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $20.21 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 05/21/2024 | Fresenius USA Marketing, Inc. | Velphoro (Drug) | Food and Beverage | In-kind items and services | $25.02 | General |
| Category: Phosphate binder for ESRD | ||||||
| 05/02/2024 | Travere Therapeutics, Inc. | — | Food and Beverage | In-kind items and services | $5.20 | General |
| 04/22/2024 | Fresenius USA Marketing, Inc. | Velphoro (Drug) | Food and Beverage | In-kind items and services | $24.86 | General |
| Category: Phosphate binder for ESRD | ||||||
| 04/11/2024 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $23.83 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 04/09/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $20.65 | General |
| Category: Inflammation/Rare Disease | ||||||
| 03/21/2024 | Fresenius USA Marketing, Inc. | — | Food and Beverage | In-kind items and services | $18.86 | General |
| 03/14/2024 | Fresenius USA Marketing, Inc. | — | Food and Beverage | In-kind items and services | $21.50 | General |
| 03/08/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $14.93 | General |
| Category: Inflammation/Rare Disease | ||||||
| 02/21/2024 | Fresenius USA Marketing, Inc. | Velphoro (Drug) | Food and Beverage | In-kind items and services | $24.03 | General |
| Category: Phosphate binder for ESRD | ||||||
| 02/20/2024 | Bayer Healthcare Pharmaceuticals Inc. | Kerendia (Drug) | Food and Beverage | In-kind items and services | $24.48 | General |
| Category: Cardio-renal | ||||||
| 02/14/2024 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug), LOKELMA | Food and Beverage | In-kind items and services | $101.05 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 02/06/2024 | Amgen Inc. | Aranesp (Biological), Parsabiv, TAVNEOS | Food and Beverage | In-kind items and services | $32.97 | General |
| Category: Nephrology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 4 | 187 | 234 | $101,114 | $29,606 |
| 2022 | 4 | 158 | 188 | $68,508 | $16,573 |
| 2021 | 5 | 240 | 289 | $98,182 | $32,878 |
| 2020 | 5 | 186 | 224 | $76,365 | $24,464 |
All Medicare Procedures & Services
18 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | Office | 2023 | 31 | 43 | $33,970 | $11,434 | 33.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 116 | 138 | $41,124 | $9,970 | 24.2% |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | Office | 2023 | 21 | 33 | $21,780 | $7,255 | 33.3% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 19 | 20 | $4,240 | $947.05 | 22.3% |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | Office | 2022 | 24 | 31 | $20,980 | $6,842 | 32.6% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 88 | 103 | $31,132 | $5,466 | 17.6% |
| 90962 | Dialysis services, 1 physician visit per month (20 years or older) | Office | 2022 | 14 | 19 | $8,926 | $2,848 | 31.9% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 32 | 35 | $7,470 | $1,416 | 19.0% |
| 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | Office | 2021 | 35 | 51 | $34,312 | $11,774 | 34.3% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 78 | 85 | $25,818 | $8,553 | 33.1% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 94 | 111 | $23,853 | $7,739 | 32.4% |
| 90962 | Dialysis services (1 physician visit per month), patient 20 years of age and older | Office | 2021 | 20 | 28 | $13,002 | $4,481 | 34.5% |
| 98968 | Telephone assessment and management service, 21-30 minutes of medical discussion | Office | 2021 | 13 | 14 | $1,197 | $331.32 | 27.7% |
| 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | Office | 2020 | 31 | 47 | $26,132 | $8,612 | 33.0% |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | Office | 2020 | 69 | 80 | $14,320 | $4,470 | 31.2% |
| 90962 | Dialysis services (1 physician visit per month), patient 20 years of age and older | Office | 2020 | 22 | 30 | $12,960 | $4,224 | 32.6% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Office | 2020 | 51 | 53 | $13,727 | $4,046 | 29.5% |
| 90960 | Dialysis services (4 or more physician visits per month), patient 20 years of age and older | Office | 2020 | 13 | 14 | $9,226 | $3,111 | 33.7% |
About Melissa Clark, ARNP
Melissa Clark, ARNP is a Gerontology healthcare provider based in Concord, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/25/2017. The National Provider Identifier (NPI) number assigned to this provider is 1639681000.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Melissa Clark, ARNP has received a total of $1,445 in payments from pharmaceutical and medical device companies, with $528.14 received in 2024. These payments were reported across 69 transactions from 10 companies. The most common payment nature is "Food and Beverage" ($1,440).
As a Medicare-enrolled provider, Clark has provided services to 771 Medicare beneficiaries, totaling 935 services with total Medicare billing of $103,521. Data is available for 4 years (2020–2023), covering 18 distinct procedure/service records.
Practice Information
- Specialty Gerontology
- Location Concord, CA
- Active Since 10/25/2017
- Last Updated 12/19/2018
- Taxonomy Code 363LG0600X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1639681000
Products in Payments
- Velphoro (Drug) $398.57
- Kerendia (Drug) $280.78
- FARXIGA (Drug) $172.31
- KRYSTEXXA (Biological) $142.70
- LifeVest (Device) $123.07
- Parsabiv (Drug) $83.74
- LOKELMA (Drug) $50.97
- IBSRELA (Drug) $45.27
- Aranesp (Biological) $32.97
- ACTHAR (Biological) $31.36
- JYNARQUE (Drug) $17.30
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.
Gerontology Doctors in Concord
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