Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Education | $8,000 | 2 | 50.6% |
| Travel and Lodging | $3,919 | 19 | 24.8% |
| Food and Beverage | $3,865 | 61 | 24.5% |
| Gift | $12.72 | 1 | 0.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | $11,673 | 33 | $0 (2024) |
| Davol Inc. | $1,447 | 10 | $0 (2024) |
| W. L. Gore & Associates, Inc. | $1,420 | 11 | $0 (2019) |
| CONMED Corporation | $317.95 | 3 | $0 (2021) |
| BAXTER HEALTHCARE | $284.17 | 10 | $0 (2020) |
| Ethicon US, LLC | $212.69 | 4 | $0 (2024) |
| Medtronic, Inc. | $159.14 | 1 | $0 (2024) |
| Boston Scientific Corporation | $111.04 | 2 | $0 (2024) |
| Heron Therapeutics, Inc. | $46.85 | 2 | $0 (2023) |
| Cumberland Pharmaceuticals, Inc. | $34.21 | 2 | $0 (2019) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $9,001 | 16 | INTUITIVE SURGICAL, INC. ($8,521) |
| 2023 | $166.30 | 3 | Davol Inc. ($142.15) |
| 2022 | $22.70 | 1 | Heron Therapeutics, Inc. ($22.70) |
| 2021 | $387.11 | 4 | CONMED Corporation ($176.03) |
| 2020 | $101.32 | 4 | BAXTER HEALTHCARE ($101.32) |
| 2019 | $2,229 | 22 | W. L. Gore & Associates, Inc. ($1,420) |
| 2018 | $2,177 | 23 | Intuitive Surgical, Inc. ($1,564) |
| 2017 | $1,711 | 10 | Intuitive Surgical, Inc. ($848.68) |
All Payment Transactions
83 individual payment records from CMS Open Payments — Page 1 of 4
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/10/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $120.00 | General |
| Category: SURGERY | ||||||
| 12/10/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $5.83 | General |
| Category: SURGERY | ||||||
| 11/12/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $42.32 | General |
| Category: SURGERY | ||||||
| 11/12/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $31.80 | General |
| Category: SURGERY | ||||||
| 11/12/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Gift | In-kind items and services | $12.72 | General |
| Category: SURGERY | ||||||
| 11/08/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Education | Cash or cash equivalent | $4,000.00 | General |
| Category: SURGERY | ||||||
| 11/08/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | Cash or cash equivalent | $150.00 | General |
| Category: SURGERY | ||||||
| 10/25/2024 | Davol Inc. | Phasix Mesh (Device) | Food and Beverage | In-kind items and services | $85.71 | General |
| Category: Surgery | ||||||
| 09/13/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Education | Cash or cash equivalent | $4,000.00 | General |
| Category: SURGERY | ||||||
| 09/13/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | Cash or cash equivalent | $150.00 | General |
| Category: SURGERY | ||||||
| 09/09/2024 | Ethicon US, LLC | Echelon; Endopath (Device) | Food and Beverage | In-kind items and services | $109.28 | General |
| Category: Endo-Mechanical | ||||||
| 07/30/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $8.72 | General |
| Category: SURGERY | ||||||
| 06/17/2024 | Boston Scientific Corporation | SpyGlass Discover (Device) | Food and Beverage | In-kind items and services | $94.91 | General |
| Category: SpyGlass Discover_ENDO | ||||||
| 04/01/2024 | Micro-tech Endoscopy USA, Inc. | Lockado (Device) | Food and Beverage | In-kind items and services | $14.82 | General |
| Category: GI Endoscopy | ||||||
| 03/25/2024 | Medtronic, Inc. | LIGASURE (Device) | Food and Beverage | In-kind items and services | $159.14 | General |
| Category: Vessel Sealing | ||||||
| 01/22/2024 | Boston Scientific Corporation | SpyScope DS (Device) | Food and Beverage | In-kind items and services | $16.13 | General |
| Category: SpyScope_ENDO | ||||||
| 11/02/2023 | Davol Inc. | Phasix Mesh (Device) | Food and Beverage | In-kind items and services | $50.00 | General |
| Category: Surgery | ||||||
| 09/27/2023 | Davol Inc. | Phasix Mesh (Device) | Food and Beverage | In-kind items and services | $92.15 | General |
| Category: Surgery | ||||||
| 06/21/2023 | Heron Therapeutics, Inc. | ZYNRELEF (Drug) | Food and Beverage | In-kind items and services | $24.15 | General |
| Category: POST SURGICAL PAIN RELIEF | ||||||
| 06/17/2022 | Heron Therapeutics, Inc. | Zynrelef (Drug) | Food and Beverage | In-kind items and services | $22.70 | General |
| Category: Postoperative Pain | ||||||
| 12/14/2021 | Davol Inc. | Phasix (Device) | Food and Beverage | In-kind items and services | $168.70 | General |
| Category: BD Interventional Surgery | ||||||
| 12/09/2021 | Innocoll Incorporated | XARACOLL (Drug) | Food and Beverage | In-kind items and services | $21.92 | General |
| Category: PAIN | ||||||
| 07/27/2021 | CONMED Corporation | AIRSEAL (Device) | Food and Beverage | In-kind items and services | $176.03 | General |
| Category: GENERAL SURGERY | ||||||
| 05/04/2021 | Allergan, Inc. | STRATTICE RECONSTRUCTIVE TISSUE MATRIX BPS (Device) | Food and Beverage | In-kind items and services | $20.46 | General |
| Category: TRAUMA EMERGENCY, INJURY, SURGERY | ||||||
| 11/17/2020 | BAXTER HEALTHCARE | TISSEEL (Biological) | Food and Beverage | In-kind items and services | $35.56 | General |
| Category: Surgical Care | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 15 | 785 | 867 | $558,859 | $136,266 |
| 2022 | 17 | 754 | 819 | $381,309 | $92,133 |
| 2021 | 16 | 685 | 771 | $351,266 | $83,432 |
| 2020 | 15 | 554 | 624 | $271,784 | $59,359 |
All Medicare Procedures & Services
63 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 159 | 159 | $85,782 | $28,213 | 32.9% |
| 15734 | Creation of muscle graft to trunk | Facility | 2023 | 12 | 29 | $113,535 | $26,591 | 23.4% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 150 | 186 | $54,870 | $18,681 | 34.0% |
| 49650 | Repair of groin hernia using an endoscope | Facility | 2023 | 33 | 33 | $47,656 | $12,873 | 27.0% |
| 47563 | Removal of gallbladder with x-ray study of bile ducts using an endoscope | Facility | 2023 | 15 | 15 | $33,990 | $8,787 | 25.9% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2023 | 42 | 43 | $65,317 | $8,040 | 12.3% |
| 76705 | Limited ultrasound scan of abdomen | Office | 2023 | 95 | 103 | $24,720 | $7,812 | 31.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 89 | 103 | $21,115 | $7,156 | 33.9% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 34 | 38 | $15,200 | $5,523 | 36.3% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 38 | 38 | $16,785 | $4,869 | 29.0% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2023 | 46 | 48 | $56,688 | $3,173 | 5.6% |
| 10061 | Complicated or multiple drainage of skin abscess | Office | 2023 | 13 | 13 | $9,425 | $2,386 | 25.3% |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | Facility | 2023 | 11 | 11 | $11,880 | $1,478 | 12.4% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 12 | 12 | $1,500 | $531.30 | 35.4% |
| 82270 | Stool analysis for blood to screen for colon tumors | Office | 2023 | 36 | 36 | $396.00 | $154.44 | 39.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 176 | 221 | $45,305 | $15,739 | 34.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 82 | 82 | $36,090 | $10,906 | 30.2% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 59 | 59 | $31,767 | $10,822 | 34.1% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 89 | 102 | $30,090 | $10,060 | 33.4% |
| 49650 | Repair of groin hernia using an endoscope | Facility | 2022 | 22 | 22 | $29,624 | $8,691 | 29.3% |
| 49651 | Repair of recurrent groin hernia using an endoscope | Facility | 2022 | 13 | 13 | $21,649 | $6,739 | 31.1% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2022 | 28 | 28 | $42,532 | $5,998 | 14.1% |
| 76705 | Limited ultrasound scan of abdomen | Office | 2022 | 64 | 68 | $16,320 | $5,138 | 31.5% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 38 | 38 | $10,658 | $3,420 | 32.1% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2022 | 39 | 39 | $46,059 | $3,381 | 7.3% |
About Dr. Gary Hamamoto, M.D
Dr. Gary Hamamoto, M.D is a Surgery healthcare provider based in Owings Mills, Maryland. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/30/2005. The National Provider Identifier (NPI) number assigned to this provider is 1356348833.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gary Hamamoto, M.D has received a total of $15,796 in payments from pharmaceutical and medical device companies, with $9,001 received in 2024. These payments were reported across 83 transactions from 15 companies. The most common payment nature is "Education" ($8,000).
As a Medicare-enrolled provider, Hamamoto has provided services to 2,778 Medicare beneficiaries, totaling 3,081 services with total Medicare billing of $371,190. Data is available for 4 years (2020–2023), covering 63 distinct procedure/service records.
Practice Information
- Specialty Surgery
- Location Owings Mills, MD
- Active Since 06/30/2005
- Last Updated 08/21/2024
- Taxonomy Code 208600000X
- Entity Type Individual
- NPI Number 1356348833
Products in Payments
- Da Vinci Surgical System (Device) $11,673
- BIO-A Tissue Reinforcement (Device) $976.66
- TISSEEL (Biological) $284.17
- Phasix Mesh (Device) $227.86
- BIO-A Hernia Plug (Device) $226.43
- SYNECOR Biomaterial (Device) $217.29
- AIRSEAL (Device) $176.03
- Phasix (Device) $168.70
- LIGASURE (Device) $159.14
- 3DMAX (Device) $148.15
- AirSeal (Device) $141.92
- Echelon; Endopath (Device) $109.28
- PHASIX (Device) $105.56
- SpyGlass Discover (Device) $94.91
- STRATAFIX (Device) $35.28
- ETHICON ENDO-SURGERY Endoscopic Curved Intraluminal Stapler (Device) $34.55
- Caldolor (Drug) $34.21
- ECHELON FLEX Stapler (Device) $33.58
- ZYNRELEF (Drug) $24.15
- Zynrelef (Drug) $22.70
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.
Surgery Doctors in Owings Mills
Dr. Emad Kandil, M.d, M.D
Surgery — Payments: $133,778
Alan Davis, M.d, M.D
Surgery — Payments: $11,203
Dr. Michael O'laughlin, Md, MD
Surgery — Payments: $6,679
Romeo Peshku, P.a, P.A
Surgery — Payments: $369.49
Dr. Marc Gertner, M.d, M.D
Surgery — Payments: $120.23
Dr. William Geis, M.d, M.D
Surgery