Total Payments
$41,515
2021 Payments
$171.91
Companies
5
Transactions
16
Medicare Patients
2,095
Medicare Billing
$560,150
Payment Breakdown by Category
Research$40,400 (97.3%)
Travel$532.98 (1.3%)
Food & Beverage$398.62 (1.0%)
Education$183.87 (0.4%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Unspecified | $40,400 | 8 | 97.3% |
| Travel and Lodging | $532.98 | 2 | 1.3% |
| Food and Beverage | $398.62 | 2 | 1.0% |
| Education | $183.87 | 4 | 0.4% |
Payments by Type
Research
$40,400
8 transactions
General
$1,115
8 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Hoffmann-La Roche Limited | $40,400 | 8 | $0 (2018) |
| PFIZER INC. | $918.11 | 4 | $0 (2019) |
| Seagen Inc. | $159.99 | 2 | $0 (2021) |
| TESARO, Inc. | $25.45 | 1 | $0 (2017) |
| Gilead Sciences, Inc. | $11.92 | 1 | $0 (2021) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2021 | $171.91 | 3 | Seagen Inc. ($159.99) |
| 2019 | $11.96 | 1 | PFIZER INC. ($11.96) |
| 2018 | $2,306 | 4 | Hoffmann-La Roche Limited ($1,400) |
| 2017 | $39,025 | 8 | Hoffmann-La Roche Limited ($39,000) |
All Payment Transactions
16 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 07/13/2021 | Seagen Inc. | — | Education | In-kind items and services | $60.99 | General |
| 06/01/2021 | Gilead Sciences, Inc. | — | Education | In-kind items and services | $11.92 | General |
| 01/19/2021 | Seagen Inc. | — | Education | In-kind items and services | $99.00 | General |
| 12/12/2019 | PFIZER INC. | IBRANCE (Drug) | Education | In-kind items and services | $11.96 | General |
| Category: ONCOLOGY | ||||||
| 10/05/2018 | PFIZER INC. | BAVENCIO (Drug) | Food and Beverage | In-kind items and services | $373.17 | General |
| Category: ONCOLOGY | ||||||
| 10/05/2018 | PFIZER INC. | BAVENCIO (Drug) | Travel and Lodging | In-kind items and services | $287.61 | General |
| Category: ONCOLOGY | ||||||
| 10/05/2018 | PFIZER INC. | BAVENCIO (Drug) | Travel and Lodging | In-kind items and services | $245.37 | General |
| Category: ONCOLOGY | ||||||
| 01/11/2018 | Hoffmann-La Roche Limited | Non-Covered Product (Drug) | — | Cash or cash equivalent | $1,400.00 | Research |
| Study: GDC 0032 HER2 HR PHASE III LIP PHASE III • Category: None | ||||||
| 12/14/2017 | Hoffmann-La Roche Limited | Non-Covered Product (Drug) | — | Cash or cash equivalent | $7,400.00 | Research |
| Study: GDC 0032 HER2 HR PHASE III LIP PHASE III • Category: None | ||||||
| 11/16/2017 | Hoffmann-La Roche Limited | Non-Covered Product (Drug) | — | Cash or cash equivalent | $5,600.00 | Research |
| Study: GDC 0032 HER2 HR PHASE III LIP PHASE III • Category: None | ||||||
| 10/18/2017 | Hoffmann-La Roche Limited | Non-Covered Product (Drug) | — | Cash or cash equivalent | $2,500.00 | Research |
| Study: GDC 0032 HER2 HR PHASE III LIP PHASE III • Category: None | ||||||
| 08/31/2017 | Hoffmann-La Roche Limited | Non-Covered Product (Drug) | — | Cash or cash equivalent | $300.00 | Research |
| Study: GDC 0032 HER2 HR PHASE III LIP PHASE III • Category: None | ||||||
| 08/29/2017 | TESARO, Inc. | ZEJULA (Drug) | Food and Beverage | In-kind items and services | $25.45 | General |
| Category: ONCOLOGY | ||||||
| 08/18/2017 | Hoffmann-La Roche Limited | Non-Covered Product (Drug) | — | Cash or cash equivalent | $5,000.00 | Research |
| Study: GDC 0032 HER2 HR PHASE III LIP PHASE III • Category: None | ||||||
| 06/08/2017 | Hoffmann-La Roche Limited | Non-Covered Product (Drug) | — | Cash or cash equivalent | $16,600.00 | Research |
| Study: GDC 0032 HER2 HR PHASE III LIP PHASE III • Category: None | ||||||
| 04/27/2017 | Hoffmann-La Roche Limited | Non-Covered Product (Drug) | — | Cash or cash equivalent | $1,600.00 | Research |
| Study: GDC 0032 HER2 HR PHASE III LIP PHASE III • Category: None | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| GDC 0032 HER2 HR PHASE III LIP PHASE III | Hoffmann-La Roche Limited | $40,400 | 8 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 9 | 349 | 546 | $215,231 | $53,173 |
| 2022 | 10 | 434 | 805 | $243,462 | $91,521 |
| 2021 | 8 | 640 | 1,706 | $385,511 | $233,538 |
| 2020 | 11 | 672 | 1,555 | $314,385 | $181,918 |
Total Patients
2,095
Total Services
4,612
Medicare Billing
$560,150
Procedure Codes
38
All Medicare Procedures & Services
38 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Facility | 2023 | 56 | 197 | $93,544 | $23,247 | 24.9% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2023 | 141 | 171 | $58,197 | $13,116 | 22.5% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Facility | 2023 | 25 | 25 | $15,430 | $3,761 | 24.4% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 16 | 28 | $8,891 | $2,887 | 32.5% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2023 | 48 | 54 | $13,350 | $2,853 | 21.4% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 17 | 17 | $9,961 | $2,555 | 25.6% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2023 | 18 | 18 | $5,756 | $1,800 | 31.3% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 17 | 25 | $5,697 | $1,714 | 30.1% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 11 | 11 | $4,405 | $1,239 | 28.1% |
| G9678 | Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a | Facility | 2022 | 97 | 240 | $42,240 | $38,339 | 90.8% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Facility | 2022 | 58 | 199 | $87,848 | $23,323 | 26.5% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2022 | 135 | 172 | $54,650 | $13,025 | 23.8% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 15 | 37 | $11,152 | $3,298 | 29.6% |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | Facility | 2022 | 33 | 42 | $8,771 | $3,064 | 34.9% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Facility | 2022 | 19 | 19 | $11,376 | $2,978 | 26.2% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 15 | 15 | $8,715 | $2,575 | 29.5% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 14 | 30 | $6,305 | $1,806 | 28.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 32 | 34 | $7,515 | $1,731 | 23.0% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2022 | 16 | 17 | $4,890 | $1,383 | 28.3% |
| G9678 | Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a | Facility | 2021 | 251 | 1,091 | $187,768 | $175,320 | 93.4% |
| 99215 | Established patient outpatient visit, total time 40-54 minutes | Facility | 2021 | 84 | 212 | $90,802 | $26,886 | 29.6% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Facility | 2021 | 130 | 156 | $47,910 | $11,550 | 24.1% |
| 99443 | Physician telephone patient service, 21-30 minutes of medical discussion | Facility | 2021 | 80 | 126 | $25,438 | $10,101 | 39.7% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2021 | 18 | 42 | $12,300 | $3,812 | 31.0% |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | Facility | 2021 | 18 | 18 | $10,078 | $3,344 | 33.2% |
About Dr. Corrine Zarwan, MD
Dr. Corrine Zarwan, MD is a Medical Oncology healthcare provider based in Burlington, Massachusetts. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/06/2006. The National Provider Identifier (NPI) number assigned to this provider is 1790724409.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Corrine Zarwan, MD has received a total of $41,515 in payments from pharmaceutical and medical device companies, with $171.91 received in 2021. These payments were reported across 16 transactions from 5 companies. The most common payment nature is "" ($40,400).
As a Medicare-enrolled provider, Zarwan has provided services to 2,095 Medicare beneficiaries, totaling 4,612 services with total Medicare billing of $560,150. Data is available for 4 years (2020–2023), covering 38 distinct procedure/service records.
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Practice Information
- Specialty Medical Oncology
- Location Burlington, MA
- Active Since 06/06/2006
- Last Updated 05/23/2012
- Taxonomy Code 207RX0202X
- Entity Type Individual
- NPI Number 1790724409
Products in Payments
- Non-Covered Product (Drug) $40,400
- BAVENCIO (Drug) $906.15
- ZEJULA (Drug) $25.45
- IBRANCE (Drug) $11.96
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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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