Total Payments
$343.63
2024 Payments
$85.11
Companies
7
Transactions
12
Medicare Patients
3,208
Medicare Billing
$942,088
Payment Breakdown by Category
Food & Beverage$343.63 (100.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $343.63 | 12 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Medtronic, Inc. | $140.99 | 2 | $0 (2023) |
| Ardelyx, Inc. | $85.11 | 4 | $0 (2024) |
| AKEBIA THERAPEUTICS INC | $39.30 | 2 | $0 (2021) |
| Horizon Therapeutics plc | $26.00 | 1 | $0 (2023) |
| Fresenius USA Marketing, Inc. | $19.97 | 1 | $0 (2023) |
| Keryx Biopharmaceuticals, Inc. | $16.30 | 1 | $0 (2018) |
| BAXTER HEALTHCARE | $15.96 | 1 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $85.11 | 4 | Ardelyx, Inc. ($85.11) |
| 2023 | $186.96 | 4 | Medtronic, Inc. ($140.99) |
| 2021 | $16.19 | 1 | AKEBIA THERAPEUTICS INC ($16.19) |
| 2019 | $23.11 | 1 | AKEBIA THERAPEUTICS INC ($23.11) |
| 2018 | $16.30 | 1 | Keryx Biopharmaceuticals, Inc. ($16.30) |
| 2017 | $15.96 | 1 | BAXTER HEALTHCARE ($15.96) |
All Payment Transactions
12 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/29/2024 | Ardelyx, Inc. | IBSRELA (Drug) | Food and Beverage | In-kind items and services | $20.85 | General |
| Category: GASTROENTEROLOGY | ||||||
| 09/17/2024 | Ardelyx, Inc. | IBSRELA (Drug) | Food and Beverage | In-kind items and services | $21.80 | General |
| Category: GASTROENTEROLOGY | ||||||
| 08/21/2024 | Ardelyx, Inc. | IBSRELA (Drug) | Food and Beverage | In-kind items and services | $28.61 | General |
| Category: GASTROENTEROLOGY | ||||||
| 05/29/2024 | Ardelyx, Inc. | IBSRELA (Drug) | Food and Beverage | In-kind items and services | $13.85 | General |
| Category: GASTROENTEROLOGY | ||||||
| 06/29/2023 | Fresenius USA Marketing, Inc. | Velphoro (Drug) | Food and Beverage | In-kind items and services | $19.97 | General |
| Category: Phosphate binder for ESRD | ||||||
| 05/24/2023 | Medtronic, Inc. | ELLIPSYS VASCULAR ACCESS SYSTEM (Device) | Food and Beverage | In-kind items and services | $105.70 | General |
| Category: Catheters | ||||||
| 05/08/2023 | Medtronic, Inc. | ELLIPSYS VASCULAR ACCESS SYSTEM (Device) | Food and Beverage | In-kind items and services | $35.29 | General |
| Category: Catheters | ||||||
| 02/09/2023 | Horizon Therapeutics plc | — | Food and Beverage | In-kind items and services | $26.00 | General |
| 11/22/2021 | AKEBIA THERAPEUTICS INC | Auryxia (Drug) | Food and Beverage | In-kind items and services | $16.19 | General |
| Category: Nephrology | ||||||
| 07/12/2019 | AKEBIA THERAPEUTICS INC | AURYXIA (Drug) | Food and Beverage | Cash or cash equivalent | $23.11 | General |
| Category: NEPHROLOGY | ||||||
| 10/12/2018 | Keryx Biopharmaceuticals, Inc. | Auryxia (Drug) | Food and Beverage | In-kind items and services | $16.30 | General |
| Category: Nephrology | ||||||
| 01/24/2017 | BAXTER HEALTHCARE | Renal - Prismaflex System (Device) | Food and Beverage | In-kind items and services | $15.96 | General |
| Category: Renal | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 9 | 730 | 1,941 | $601,610 | $217,504 |
| 2022 | 9 | 752 | 1,981 | $955,310 | $240,819 |
| 2021 | 11 | 741 | 1,831 | $904,065 | $237,674 |
| 2020 | 11 | 985 | 2,286 | $913,120 | $246,091 |
Total Patients
3,208
Total Services
8,039
Medicare Billing
$942,088
Procedure Codes
40
All Medicare Procedures & Services
40 procedure records from CMS Medicare Utilization — Page 1 of 2
| 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 | 41 | 318 | $230,773 | $89,798 | 38.9% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 212 | 795 | $132,904 | $52,110 | 39.2% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 82 | 285 | $72,182 | $27,817 | 38.5% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 186 | 320 | $88,181 | $19,815 | 22.5% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 110 | 118 | $45,616 | $16,581 | 36.3% |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | Office | 2023 | 13 | 19 | $11,462 | $4,605 | 40.2% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 35 | 35 | $13,115 | $3,907 | 29.8% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 26 | 26 | $7,238 | $2,816 | 38.9% |
| 81003 | Automated urinalysis test | Office | 2023 | 25 | 25 | $140.00 | $55.00 | 39.3% |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | Office | 2022 | 45 | 388 | $446,200 | $114,215 | 25.6% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 211 | 780 | $179,400 | $46,697 | 26.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 197 | 329 | $136,535 | $30,537 | 22.4% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 92 | 261 | $86,130 | $21,393 | 24.8% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 113 | 126 | $80,640 | $20,989 | 26.0% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 24 | 24 | $12,960 | $3,439 | 26.5% |
| 99222 | Initial hospital inpatient care per day, typically 50 minutes | Facility | 2022 | 25 | 25 | $10,875 | $2,860 | 26.3% |
| 99231 | Follow-up hospital inpatient care per day, typically 15 minutes | Facility | 2022 | 17 | 19 | $2,280 | $623.29 | 27.3% |
| 81003 | Automated urinalysis test | Office | 2022 | 28 | 29 | $290.00 | $64.45 | 22.2% |
| 90960 | Dialysis services (4 or more physician visits per month), patient 20 years of age and older | Office | 2021 | 46 | 359 | $406,180 | $108,282 | 26.7% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 191 | 348 | $143,055 | $35,161 | 24.6% |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | Facility | 2021 | 185 | 573 | $132,015 | $34,793 | 26.4% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2021 | 101 | 317 | $104,655 | $27,788 | 26.6% |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | Facility | 2021 | 100 | 107 | $68,585 | $17,911 | 26.1% |
| 99222 | Initial hospital inpatient care, typically 50 minutes per day | Facility | 2021 | 28 | 33 | $14,385 | $3,831 | 26.6% |
| 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | Office | 2021 | 13 | 15 | $14,250 | $3,797 | 26.6% |
About Dr. Natalie Selk, MD
Dr. Natalie Selk, MD is a Internal Medicine healthcare provider based in Evergreen Park, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/21/2008. The National Provider Identifier (NPI) number assigned to this provider is 1881851400.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Natalie Selk, MD has received a total of $343.63 in payments from pharmaceutical and medical device companies, with $85.11 received in 2024. These payments were reported across 12 transactions from 7 companies. The most common payment nature is "Food and Beverage" ($343.63).
As a Medicare-enrolled provider, Selk has provided services to 3,208 Medicare beneficiaries, totaling 8,039 services with total Medicare billing of $942,088. Data is available for 4 years (2020–2023), covering 40 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Nephrology
- Location Evergreen Park, IL
- Active Since 05/21/2008
- Last Updated 02/03/2023
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1881851400
Products in Payments
- ELLIPSYS VASCULAR ACCESS SYSTEM (Device) $140.99
- IBSRELA (Drug) $85.11
- Auryxia (Drug) $32.49
- AURYXIA (Drug) $23.11
- Velphoro (Drug) $19.97
- Renal - Prismaflex System (Device) $15.96
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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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