Total Payments
$2,632
2024 Payments
$752.79
Companies
20
Transactions
103
Medicare Patients
1,515
Medicare Billing
$293,389
Payment Breakdown by Category
Food & Beverage$2,632 (100.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $2,632 | 103 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| GENZYME CORPORATION | $435.04 | 23 | $0 (2024) |
| GlaxoSmithKline, LLC. | $357.75 | 18 | $0 (2024) |
| Regeneron Healthcare Solutions, Inc. | $314.42 | 14 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $290.94 | 11 | $0 (2024) |
| Amgen Inc. | $210.17 | 8 | $0 (2024) |
| Inari Medical, Inc. | $169.88 | 2 | $0 (2023) |
| Novartis Pharmaceuticals Corporation | $168.94 | 7 | $0 (2023) |
| Inspire Medical Systems, Inc. | $161.51 | 1 | $0 (2024) |
| Insmed, Inc. | $141.51 | 2 | $0 (2024) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $88.30 | 4 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $752.79 | 29 | GENZYME CORPORATION ($248.39) |
| 2023 | $1,361 | 52 | Regeneron Healthcare Solutions, Inc. ($203.18) |
| 2022 | $208.04 | 9 | Regeneron Healthcare Solutions, Inc. ($80.27) |
| 2019 | $145.19 | 6 | GlaxoSmithKline, LLC. ($75.63) |
| 2018 | $95.36 | 4 | Novartis Pharmaceuticals Corporation ($70.41) |
| 2017 | $69.86 | 3 | NxStage Medical, Inc. ($32.98) |
All Payment Transactions
103 individual payment records from CMS Open Payments — Page 1 of 5
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/18/2024 | Insmed, Inc. | Arikayce (Drug) | Food and Beverage | In-kind items and services | $24.40 | General |
| Category: Respiratory | ||||||
| 12/11/2024 | Mylan Specialty L.P. | YUPELRI (Drug) | Food and Beverage | In-kind items and services | $18.90 | General |
| Category: Anticholinergics, Inhaled | ||||||
| 12/06/2024 | Inspire Medical Systems, Inc. | INSPIRE (Device) | Food and Beverage | In-kind items and services | $161.51 | General |
| Category: NEUROLOGY | ||||||
| 12/03/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $24.00 | General |
| Category: Respiratory | ||||||
| 11/19/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $29.02 | General |
| Category: Immunology | ||||||
| 11/14/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $32.75 | General |
| Category: Immunology | ||||||
| 11/06/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $9.97 | General |
| Category: Immunology | ||||||
| 10/04/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $6.28 | General |
| Category: Immunology | ||||||
| 09/18/2024 | Amgen Inc. | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $23.80 | General |
| Category: Inflammation | ||||||
| 09/17/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Food and Beverage | In-kind items and services | $15.97 | General |
| Category: Respiratory | ||||||
| 09/11/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $21.00 | General |
| Category: Immunology | ||||||
| 09/03/2024 | Mylan Specialty L.P. | YUPELRI (Drug) | Food and Beverage | In-kind items and services | $26.00 | General |
| Category: Anticholinergics, Inhaled | ||||||
| 08/27/2024 | AstraZeneca Pharmaceuticals LP | TAGRISSO (Drug) | Food and Beverage | In-kind items and services | $26.76 | General |
| Category: Oncology | ||||||
| 08/23/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $8.18 | General |
| Category: Immunology | ||||||
| 07/22/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $32.54 | General |
| Category: Immunology | ||||||
| 07/08/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $16.00 | General |
| Category: Immunology | ||||||
| 07/03/2024 | Lilly USA, LLC | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $19.91 | General |
| Category: Diabetes | ||||||
| 06/28/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $12.30 | General |
| Category: Immunology | ||||||
| 06/18/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $17.53 | General |
| Category: Respiratory | ||||||
| 06/04/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $30.37 | General |
| Category: IMMUNOLOGY | ||||||
| 05/30/2024 | Baxter Healthcare | — | Food and Beverage | In-kind items and services | $21.35 | General |
| 05/28/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | OFEV (Drug) | Food and Beverage | In-kind items and services | $23.68 | General |
| Category: RESPIRATORY | ||||||
| 05/22/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $21.79 | General |
| Category: Immunology | ||||||
| 05/21/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $20.28 | General |
| Category: Respiratory | ||||||
| 05/16/2024 | Ultragenyx Pharmaceutical Inc. | Crysvita (Drug) | Food and Beverage | In-kind items and services | $18.97 | General |
| Category: XLH Metabolic Bone Disorder | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 8 | 474 | 886 | $498,205 | $111,783 |
| 2022 | 10 | 219 | 313 | $153,149 | $34,093 |
| 2021 | 11 | 385 | 614 | $291,683 | $69,541 |
| 2020 | 13 | 437 | 650 | $360,294 | $77,973 |
Total Patients
1,515
Total Services
2,463
Medicare Billing
$293,389
Procedure Codes
46
All Medicare Procedures & Services
46 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | Facility | 2023 | 83 | 205 | $210,794 | $41,279 | 19.6% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 93 | 207 | $80,206 | $22,534 | 28.1% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 107 | 243 | $66,164 | $17,967 | 27.2% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 89 | 90 | $68,877 | $14,575 | 21.2% |
| 99292 | Critical care, each additional 30 minutes | Facility | 2023 | 39 | 69 | $31,533 | $7,001 | 22.2% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 28 | 37 | $19,874 | $4,474 | 22.5% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 23 | 23 | $17,379 | $3,648 | 21.0% |
| 76604 | Ultrasound scan of chest | Facility | 2023 | 12 | 12 | $3,378 | $304.65 | 9.0% |
| 99291 | Critical care, first 30-74 minutes | Facility | 2022 | 24 | 60 | $60,959 | $12,483 | 20.5% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 31 | 51 | $20,094 | $4,975 | 24.8% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 19 | 19 | $14,584 | $3,393 | 23.3% |
| 99222 | Initial hospital inpatient care per day, typically 50 minutes | Facility | 2022 | 24 | 25 | $13,050 | $3,261 | 25.0% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 33 | 46 | $12,558 | $3,058 | 24.4% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 12 | 12 | $7,890 | $1,752 | 22.2% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2022 | 13 | 17 | $6,987 | $1,497 | 21.4% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 16 | 20 | $5,655 | $1,187 | 21.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 12 | 13 | $5,343 | $1,148 | 21.5% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 12 | 17 | $4,709 | $1,032 | 21.9% |
| 94727 | Test to determine lung volumes using gas dilution or washout | Facility | 2022 | 12 | 15 | $690.00 | $155.67 | 22.6% |
| 94729 | Test to examine how well the lungs exchange gases | Facility | 2022 | 11 | 18 | $630.00 | $151.02 | 24.0% |
| 99291 | Critical care delivery critically ill or injured patient, first 30-74 minutes | Facility | 2021 | 36 | 93 | $98,339 | $20,770 | 21.1% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2021 | 68 | 178 | $70,132 | $18,211 | 26.0% |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | Facility | 2021 | 48 | 49 | $37,537 | $9,125 | 24.3% |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | Facility | 2021 | 70 | 112 | $30,533 | $7,781 | 25.5% |
| 99222 | Initial hospital inpatient care, typically 50 minutes per day | Facility | 2021 | 29 | 33 | $17,226 | $4,237 | 24.6% |
About Dr. Liam Gross, DO
Dr. Liam Gross, DO is a Critical Care Medicine healthcare provider based in Brooklyn, New York. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 03/28/2011. The National Provider Identifier (NPI) number assigned to this provider is 1578862769.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Liam Gross, DO has received a total of $2,632 in payments from pharmaceutical and medical device companies, with $752.79 received in 2024. These payments were reported across 103 transactions from 20 companies. The most common payment nature is "Food and Beverage" ($2,632).
As a Medicare-enrolled provider, Gross has provided services to 1,515 Medicare beneficiaries, totaling 2,463 services with total Medicare billing of $293,389. Data is available for 4 years (2020–2023), covering 46 distinct procedure/service records.
Ad
Practice Information
- Specialty Critical Care Medicine
- Other Specialties Pulmonary Disease
- Location Brooklyn, NY
- Active Since 03/28/2011
- Last Updated 01/27/2023
- Taxonomy Code 207RC0200X
- Entity Type Individual
- NPI Number 1578862769
Products in Payments
- DUPIXENT (Biological) $749.46
- TEZSPIRE (Biological) $299.47
- NUCALA (Biological) $259.21
- FLOWTRIEVER CATHETER, S (Device) $169.88
- INSPIRE (Device) $161.51
- XOLAIR (Biological) $143.07
- Arikayce (Drug) $141.51
- FASENRA (Biological) $122.84
- TRELEGY ELLIPTA (Drug) $66.58
- YUPELRI (Drug) $59.70
- AIRSUPRA (Drug) $52.04
- Prolastin-C Liquid (Biological) $42.26
- OFEV (Drug) $40.83
- System One (Device) $32.98
- OPSUMIT (Drug) $32.13
- TAGRISSO (Drug) $26.76
- XOLAIR (Drug) $25.87
- TRADJENTA (Drug) $25.62
- HYQVIA (Biological) $22.53
- AirDuo Digihaler (Drug) $22.31
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.
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