Dr. Gary Hamamoto, M.D

NPI: 1356348833
Total Payments
$15,796
2024 Payments
$9,001
Companies
15
Transactions
83
Medicare Patients
2,778
Medicare Billing
$371,190

Payment Breakdown by Category

Education$8,000 (50.6%)
Travel$3,919 (24.8%)
Food & Beverage$3,865 (24.5%)
Gifts$12.72 (0.1%)
Other$0.00 (0.0%)

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
Total Patients
2,778
Total Services
3,081
Medicare Billing
$371,190
Procedure Codes
63

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