Total Payments
$3,796
2024 Payments
$1,607
Companies
39
Transactions
127
Medicare Patients
413
Medicare Billing
$56,571
Payment Breakdown by Category
Food & Beverage$3,696 (97.4%)
Education$99.99 (2.6%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $3,696 | 126 | 97.4% |
| Education | $99.99 | 1 | 2.6% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | $659.75 | 22 | $0 (2024) |
| JAZZ PHARMACEUTICALS INC. | $275.39 | 5 | $0 (2024) |
| E.R. Squibb & Sons, L.L.C. | $267.79 | 4 | $0 (2024) |
| Eisai Inc. | $261.22 | 9 | $0 (2024) |
| Merck Sharp & Dohme LLC | $214.03 | 6 | $0 (2024) |
| Novartis Pharmaceuticals Corporation | $193.76 | 8 | $0 (2024) |
| Takeda Pharmaceuticals U.S.A., Inc. | $170.42 | 8 | $0 (2024) |
| Regeneron Healthcare Solutions, Inc. | $136.06 | 4 | $0 (2024) |
| PFIZER INC. | $135.20 | 6 | $0 (2024) |
| GENZYME CORPORATION | $135.04 | 3 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,607 | 62 | AstraZeneca Pharmaceuticals LP ($184.74) |
| 2023 | $2,189 | 65 | AstraZeneca Pharmaceuticals LP ($475.01) |
All Payment Transactions
127 individual payment records from CMS Open Payments — Page 1 of 6
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/11/2024 | SEAGEN INC. | — | Education | In-kind items and services | $99.99 | General |
| 11/26/2024 | Novartis Pharmaceuticals Corporation | SCEMBLIX (Drug) | Food and Beverage | In-kind items and services | $22.00 | General |
| Category: Oncology | ||||||
| 11/20/2024 | PFIZER INC. | BOSULIF (Drug), ELREXFIO, ADCETRIS | Food and Beverage | In-kind items and services | $24.93 | General |
| Category: METABOLIC DISEASE;ONCOLOGY | ||||||
| 11/20/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $23.33 | General |
| 11/18/2024 | Takeda Pharmaceuticals U.S.A., Inc. | FRUZAQLA (Drug) | Food and Beverage | In-kind items and services | $20.33 | General |
| Category: ONCOLOGY | ||||||
| 11/13/2024 | Bayer Healthcare Pharmaceuticals Inc. | Nubeqa (Drug), Xofigo | Food and Beverage | In-kind items and services | $17.42 | General |
| Category: Oncology | ||||||
| 11/11/2024 | Eisai Inc. | Lenvima (Drug) | Food and Beverage | In-kind items and services | $20.79 | General |
| Category: Oncology | ||||||
| 10/30/2024 | Takeda Pharmaceuticals U.S.A., Inc. | NINLARO (Drug) | Food and Beverage | In-kind items and services | $20.12 | General |
| Category: ONCOLOGY | ||||||
| 10/29/2024 | GlaxoSmithKline, LLC. | ZEJULA (Drug), JEMPERLI | Food and Beverage | In-kind items and services | $17.30 | General |
| Category: ONCOLOGY | ||||||
| 10/23/2024 | AstraZeneca Pharmaceuticals LP | IMFINZI (Biological) | Food and Beverage | In-kind items and services | $19.02 | General |
| Category: Oncology | ||||||
| 10/20/2024 | Eisai Inc. | Lenvima (Drug) | Food and Beverage | In-kind items and services | $18.87 | General |
| Category: Oncology | ||||||
| 10/16/2024 | Regeneron Healthcare Solutions, Inc. | LIBTAYO (Biological) | Food and Beverage | In-kind items and services | $33.93 | General |
| Category: ONCOLOGY | ||||||
| 10/07/2024 | Fennec Pharmaceuticals, Inc. | Pedmark (Drug) | Food and Beverage | In-kind items and services | $20.36 | General |
| Category: Cisplatin-induced Ototoxicity | ||||||
| 09/23/2024 | PFIZER INC. | PADCEV (Biological) | Food and Beverage | In-kind items and services | $18.12 | General |
| Category: Oncology | ||||||
| 09/19/2024 | Novartis Pharmaceuticals Corporation | PLUVICTO (Drug) | Food and Beverage | In-kind items and services | $26.05 | General |
| Category: Oncology | ||||||
| 09/18/2024 | Astellas Pharma US Inc | Padcev (Drug) | Food and Beverage | In-kind items and services | $22.36 | General |
| Category: Oncology | ||||||
| 09/16/2024 | Merck Sharp & Dohme LLC | KEYTRUDA (Biological), WELIREG | Food and Beverage | In-kind items and services | $23.12 | General |
| Category: ONCOLOGY | ||||||
| 09/10/2024 | Novartis Pharmaceuticals Corporation | Fabhalta (Drug) | Food and Beverage | In-kind items and services | $22.99 | General |
| Category: Immunology | ||||||
| 09/09/2024 | Fresenius Kabi USA, LLC | Stimufend (Biological) | Food and Beverage | In-kind items and services | $29.86 | General |
| Category: Biosimilars | ||||||
| 09/04/2024 | GlaxoSmithKline, LLC. | JEMPERLI (Biological), ZEJULA | Food and Beverage | In-kind items and services | $13.50 | General |
| Category: ONCOLOGY | ||||||
| 08/28/2024 | PFIZER INC. | IBRANCE (Drug), TUKYSA | Food and Beverage | In-kind items and services | $17.87 | General |
| Category: ONCOLOGY | ||||||
| 08/26/2024 | Pharmacosmos Therapeutics Inc. | COSELA (Drug) | Food and Beverage | In-kind items and services | $17.63 | General |
| Category: HEMATOLOGY | ||||||
| 08/21/2024 | Aveo Pharmaceuticals, Inc. | FOTIVDA (Drug) | Food and Beverage | In-kind items and services | $22.64 | General |
| Category: Oncology | ||||||
| 08/19/2024 | AstraZeneca Pharmaceuticals LP | LYNPARZA (Drug) | Food and Beverage | In-kind items and services | $21.03 | General |
| Category: Oncology | ||||||
| 08/16/2024 | JAZZ PHARMACEUTICALS INC. | ZEPZELCA (Drug) | Food and Beverage | In-kind items and services | $75.55 | General |
| Category: HEMATOLOGY/ONCOLOGY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 9 | 413 | 852 | $165,581 | $56,571 |
Total Patients
413
Total Services
852
Medicare Billing
$56,571
Procedure Codes
9
All Medicare Procedures & Services
9 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 119 | 364 | $89,726 | $32,393 | 36.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 113 | 224 | $36,493 | $13,416 | 36.8% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 19 | 35 | $12,303 | $4,397 | 35.7% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 32 | 72 | $16,049 | $3,982 | 24.8% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 13 | 13 | $5,586 | $1,162 | 20.8% |
| 80053 | Blood test, comprehensive group of blood chemicals | Office | 2023 | 34 | 42 | $2,807 | $434.70 | 15.5% |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Office | 2023 | 37 | 46 | $1,298 | $350.06 | 27.0% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2023 | 33 | 37 | $830.04 | $310.80 | 37.4% |
| 83735 | Magnesium level | Office | 2023 | 13 | 19 | $488.75 | $124.83 | 25.5% |
About Cara O'brien
Cara O'brien is a Nurse Practitioner healthcare provider based in Orland Park, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 11/22/2022. The National Provider Identifier (NPI) number assigned to this provider is 1992414437.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Cara O'brien has received a total of $3,796 in payments from pharmaceutical and medical device companies, with $1,607 received in 2024. These payments were reported across 127 transactions from 39 companies. The most common payment nature is "Food and Beverage" ($3,696).
As a Medicare-enrolled provider, O'brien has provided services to 413 Medicare beneficiaries, totaling 852 services with total Medicare billing of $56,571. Data is available for 1 year (2023–2023), covering 9 distinct procedure/service records.
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Practice Information
- Specialty Nurse Practitioner
- Location Orland Park, IL
- Active Since 11/22/2022
- Last Updated 06/09/2025
- Taxonomy Code 363L00000X
- Entity Type Individual
- NPI Number 1992414437
Products in Payments
- ZEPZELCA (Drug) $275.39
- CALQUENCE (Drug) $270.41
- Lenvima (Drug) $261.22
- KEYTRUDA (Biological) $214.03
- ENHERTU (Biological) $211.13
- OPDIVO (Biological) $182.17
- LIBTAYO (Biological) $136.06
- CABLIVI (Biological) $110.70
- LYNPARZA (Drug) $92.60
- VERZENIO (Drug) $87.09
- REBLOZYL (Biological) $85.62
- MONJUVI (Drug) $84.29
- NINLARO (Drug) $80.13
- Enhertu (Drug) $66.99
- IMFINZI (Biological) $66.70
- Nubeqa (Drug) $65.46
- Stimufend (Biological) $63.08
- INLYTA (Drug) $56.26
- OGSIVEO (Drug) $53.28
- VEGZELMA (Biological) $52.18
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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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