Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $123.67 | 1 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| PFIZER INC. | $123.67 | 1 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2017 | $123.67 | 1 | PFIZER INC. ($123.67) |
All Payment Transactions
1 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 05/18/2017 | PFIZER INC. | TRUMENBA (Biological) | Food and Beverage | In-kind items and services | $123.67 | General |
| Category: VACCINES | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2020 | 1 | 12 | 12 | $16,992 | $612.59 |
All Medicare Procedures & Services
1 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99284 | Emergency department visit, problem of high severity | Facility | 2020 | 12 | 12 | $16,992 | $612.59 | 3.6% |
About Dr. Gregory Calkins, M.D
Dr. Gregory Calkins, M.D is a Emergency Medicine healthcare provider based in Kamuela, Hawaii. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 11/07/2005. The National Provider Identifier (NPI) number assigned to this provider is 1043291206.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gregory Calkins, M.D has received a total of $123.67 in payments from pharmaceutical and medical device companies, with $123.67 received in 2017. These payments were reported across 1 transactions from 1 company. The most common payment nature is "Food and Beverage" ($123.67).
As a Medicare-enrolled provider, Calkins has provided services to 12 Medicare beneficiaries, totaling 12 services with total Medicare billing of $612.59. Data is available for 1 year (2020–2020), covering 1 distinct procedure/service records.
Practice Information
- Specialty Emergency Medicine
- Other Specialties Emergency Medicine, Emergency Medicine
- Location Kamuela, HI
- Active Since 11/07/2005
- Last Updated 11/14/2025
- Taxonomy Code 207P00000X
- Entity Type Individual
- NPI Number 1043291206
Products in Payments
- TRUMENBA (Biological) $123.67
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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.