Total Payments
$26,007
2023 Payments
$4,325
Companies
7
Transactions
25
Payment Breakdown by Category
Other$10,450 (40.2%)
Research$7,530 (29.0%)
Consulting$6,283 (24.2%)
Travel$1,306 (5.0%)
Food & Beverage$437.44 (1.7%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $10,450 | 4 | 40.2% |
| Unspecified | $7,530 | 3 | 29.0% |
| Consulting Fee | $6,283 | 7 | 24.2% |
| Travel and Lodging | $1,306 | 5 | 5.0% |
| Food and Beverage | $437.44 | 6 | 1.7% |
Payments by Type
General
$18,477
22 transactions
Research
$7,530
3 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Trevena, Inc. | $9,024 | 3 | $0 (2021) |
| PFIZER INC. | $6,730 | 3 | $0 (2023) |
| Edwards Lifesciences Corporation | $5,000 | 4 | $0 (2023) |
| Merck Sharp & Dohme Corporation | $3,427 | 8 | $0 (2020) |
| BAXTER HEALTHCARE | $850.00 | 2 | $0 (2020) |
| GE HEALTHCARE | $849.22 | 4 | $0 (2017) |
| Acacia Pharma Inc | $126.23 | 1 | $0 (2021) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2023 | $4,325 | 2 | PFIZER INC. ($3,200) |
| 2022 | $1,455 | 2 | Edwards Lifesciences Corporation ($1,125) |
| 2021 | $11,900 | 6 | Trevena, Inc. ($9,024) |
| 2020 | $2,500 | 2 | Merck Sharp & Dohme Corporation ($2,000) |
| 2019 | $1,777 | 8 | Merck Sharp & Dohme Corporation ($1,427) |
| 2017 | $4,049 | 5 | PFIZER INC. ($3,200) |
All Payment Transactions
25 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 03/16/2023 | Edwards Lifesciences Corporation | HemoSphere (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $1,125.00 | General |
| Category: Hemodynamic Monitoring | ||||||
| 02/13/2023 | PFIZER INC. | DEPO-TESTOSTERONE, PRECEDEX | — | In-kind items and services | $3,200.00 | Research |
| Study: PARECOXIB SODIUM CLINICAL PUBLICATION PROGRAM | ||||||
| 11/15/2022 | PFIZER INC. | DEPO-TESTOSTERONE (Drug), PRECEDEX | — | In-kind items and services | $330.00 | Research |
| Study: HOSPITAL BRANDS CLINICAL PUBLICATION PROGRAM • Category: GENITOURINARY (SEXUAL HEALTH) | ||||||
| 02/17/2022 | Edwards Lifesciences Corporation | HemoSphere (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $1,125.00 | General |
| Category: Hemodynamic Monitoring | ||||||
| 10/09/2021 | Trevena, Inc. | OLINVYK (Drug) | Food and Beverage | Cash or cash equivalent | $24.13 | General |
| Category: Pain Management | ||||||
| 10/08/2021 | Edwards Lifesciences Corporation | EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) (Device) | Consulting Fee | Cash or cash equivalent | $500.00 | General |
| Category: Transcatheter Heart Valves | ||||||
| 08/05/2021 | Trevena, Inc. | OLINVYK (Drug) | — | Cash or cash equivalent | $4,000.00 | Research |
| Study: Pediatric study • Category: Pain Management | ||||||
| 05/28/2021 | Acacia Pharma Inc | BYFAVO (Drug), BARHEMSYS | Food and Beverage | In-kind items and services | $126.23 | General |
| Category: Anesthesiology | ||||||
| 03/14/2021 | Trevena, Inc. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $5,000.00 | General |
| 03/10/2021 | Edwards Lifesciences Corporation | HemoSphere (Device) | Consulting Fee | Cash or cash equivalent | $2,250.00 | General |
| Category: Hemodynamic Monitoring | ||||||
| 11/25/2020 | Merck Sharp & Dohme Corporation | — | Consulting Fee | Cash or cash equivalent | $2,000.00 | General |
| 08/12/2020 | BAXTER HEALTHCARE | Fluid Systems - Infusion Systems (Biological) | Consulting Fee | Cash or cash equivalent | $500.00 | General |
| Category: Fluid Systems | ||||||
| 07/18/2019 | BAXTER HEALTHCARE | IPS - Liquid Premix (Biological) | Consulting Fee | Cash or cash equivalent | $350.00 | General |
| Category: Integrated Pharmacy Solutions | ||||||
| 06/19/2019 | Merck Sharp & Dohme Corporation | BRIDION (Drug) | Food and Beverage | In-kind items and services | $59.74 | General |
| Category: NEUROSCIENCE | ||||||
| 06/19/2019 | Merck Sharp & Dohme Corporation | BRIDION (Drug) | Food and Beverage | In-kind items and services | $45.00 | General |
| Category: NEUROSCIENCE | ||||||
| 06/19/2019 | Merck Sharp & Dohme Corporation | BRIDION (Drug) | Food and Beverage | In-kind items and services | $34.99 | General |
| Category: NEUROSCIENCE | ||||||
| 06/18/2019 | Merck Sharp & Dohme Corporation | BRIDION (Drug) | Travel and Lodging | In-kind items and services | $783.01 | General |
| Category: NEUROSCIENCE | ||||||
| 06/18/2019 | Merck Sharp & Dohme Corporation | BRIDION (Drug) | Travel and Lodging | In-kind items and services | $237.18 | General |
| Category: NEUROSCIENCE | ||||||
| 06/18/2019 | Merck Sharp & Dohme Corporation | BRIDION (Drug) | Food and Beverage | In-kind items and services | $147.35 | General |
| Category: NEUROSCIENCE | ||||||
| 06/18/2019 | Merck Sharp & Dohme Corporation | BRIDION (Drug) | Travel and Lodging | Cash or cash equivalent | $120.00 | General |
| Category: NEUROSCIENCE | ||||||
| 05/18/2017 | GE HEALTHCARE | AMBULATORY SOLUTION V1 (Device) | Consulting Fee | Cash or cash equivalent | $283.33 | General |
| Category: PATIENT CARE SOLUTIONS | ||||||
| 05/18/2017 | GE HEALTHCARE | AMBULATORY SOLUTION V1 (Device) | Travel and Lodging | Cash or cash equivalent | $65.89 | General |
| Category: PATIENT CARE SOLUTIONS | ||||||
| 04/11/2017 | PFIZER INC. | — | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | In-kind items and services | $3,200.00 | General |
| 01/06/2017 | GE HEALTHCARE | — | Consulting Fee | Cash or cash equivalent | $400.00 | General |
| 01/06/2017 | GE HEALTHCARE | — | Travel and Lodging | Cash or cash equivalent | $100.00 | General |
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| Pediatric study | Trevena, Inc. | $4,000 | 1 |
| PARECOXIB SODIUM CLINICAL PUBLICATION PROGRAM | PFIZER INC. | $3,200 | 1 |
| HOSPITAL BRANDS CLINICAL PUBLICATION PROGRAM | PFIZER INC. | $330.00 | 1 |
About Dr. Gregory Hammer, M.D
Dr. Gregory Hammer, M.D is a Anesthesiology healthcare provider based in Stanford, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 02/07/2007. The National Provider Identifier (NPI) number assigned to this provider is 1396885455.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gregory Hammer, M.D has received a total of $26,007 in payments from pharmaceutical and medical device companies, with $4,325 received in 2023. These payments were reported across 25 transactions from 7 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($10,450).
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Practice Information
- Specialty Anesthesiology
- Location Stanford, CA
- Active Since 02/07/2007
- Last Updated 07/08/2007
- Taxonomy Code 207L00000X
- Entity Type Individual
- NPI Number 1396885455
Products in Payments
- HemoSphere (Device) $4,500
- OLINVYK (Drug) $4,024
- BRIDION (Drug) $1,427
- EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) (Device) $500.00
- Fluid Systems - Infusion Systems (Biological) $500.00
- IPS - Liquid Premix (Biological) $350.00
- AMBULATORY SOLUTION V1 (Device) $349.22
- DEPO-TESTOSTERONE (Drug) $330.00
- BYFAVO (Drug) $126.23
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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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