Dr. Gregory Grimberg, MD

NPI: 1104245307
Total Payments
$3,316
2024 Payments
$191.33
Companies
15
Transactions
37
Medicare Patients
1,337
Medicare Billing
$191,673

Payment Breakdown by Category

Education$2,000 (60.3%)
Food & Beverage$1,316 (39.7%)

Payments by Nature

Nature of Payment Amount Transactions Share
Education $2,000 1 60.3%
Food and Beverage $1,316 36 39.7%

Top Paying Companies

Company Total Records Latest Year
Intuitive Surgical, Inc. $2,409 10 $0 (2023)
Medtronic, Inc. $166.82 6 $0 (2024)
Phathom Pharmaceuticals, Inc. $154.89 5 $0 (2024)
Ethicon US, LLC $132.98 3 $0 (2023)
Bayer HealthCare Pharmaceuticals Inc. $125.00 1 $0 (2021)
Zimmer Biomet Holdings, Inc. $85.78 2 $0 (2021)
Lexington Medical, Inc. $54.84 1 $0 (2021)
Boston Scientific Corporation $29.50 1 $0 (2022)
Takeda Pharmaceuticals U.S.A., Inc. $28.55 2 $0 (2023)
Mauna Kea Technologies, Inc. $26.73 1 $0 (2021)

Payment History by Year

Year Amount Transactions Top Company
2024 $191.33 7 Phathom Pharmaceuticals, Inc. ($154.89)
2023 $206.99 6 Intuitive Surgical, Inc. ($82.89)
2022 $256.02 10 Medtronic, Inc. ($99.89)
2021 $415.75 8 Bayer HealthCare Pharmaceuticals Inc. ($125.00)
2020 $40.29 2 Ethicon US, LLC ($25.53)
2019 $2,206 4 Intuitive Surgical, Inc. ($2,206)

All Payment Transactions

37 individual payment records from CMS Open Payments — Page 1 of 2

Date Company Product Nature Form Amount Type
12/20/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $23.49 General
Category: GASTROENTEROLOGY
11/06/2024 Medtronic, Inc. ENDOFLIP (Device) Food and Beverage In-kind items and services $15.59 General
Category: Motility Testing
10/17/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $80.52 General
Category: GASTROENTEROLOGY
07/11/2024 Microline Surgical Inc Food and Beverage Cash or cash equivalent $20.85 General
04/19/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $9.46 General
Category: GASTROENTEROLOGY
04/15/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $21.05 General
Category: GASTROENTEROLOGY
03/04/2024 Phathom Pharmaceuticals, Inc. VOQUEZNA (Drug) Food and Beverage In-kind items and services $20.37 General
Category: GASTROENTEROLOGY
08/31/2023 Takeda Pharmaceuticals U.S.A., Inc. GATTEX (Drug) Food and Beverage In-kind items and services $14.77 General
Category: INTERNAL MEDICINE
06/20/2023 Medtronic, Inc. SONICISION (Device) Food and Beverage In-kind items and services $51.34 General
Category: Ultrasonic Dissection
04/19/2023 Ethicon US, LLC LINX Reflux Management System (Device) Food and Beverage In-kind items and services $44.21 General
Category: Endo-Mechanical
01/17/2023 Intuitive Surgical, Inc. Da Vinci Surgical System (Device) Food and Beverage In-kind items and services $67.43 General
Category: SURGERY
01/10/2023 Intuitive Surgical, Inc. Da Vinci Surgical System (Device) Food and Beverage In-kind items and services $15.46 General
Category: SURGERY
01/04/2023 Takeda Pharmaceuticals U.S.A., Inc. GATTEX (Drug) Food and Beverage In-kind items and services $13.78 General
Category: INTERNAL MEDICINE
12/12/2022 Medtronic, Inc. SONICISION (Device) Food and Beverage In-kind items and services $38.66 General
Category: Ultrasonic Dissection
12/06/2022 Intuitive Surgical, Inc. Da Vinci Surgical System (Device) Food and Beverage In-kind items and services $27.78 General
Category: SURGERY
12/06/2022 Medtronic, Inc. SONICISION (Device) Food and Beverage In-kind items and services $18.80 General
Category: Ultrasonic Dissection
11/03/2022 Stryker Corporation SPY-PHI SYSTEM (Device) Food and Beverage In-kind items and services $23.39 General
Category: ENDOSCOPY
10/27/2022 Medtronic, Inc. PILLCAM (Device) Food and Beverage In-kind items and services $17.43 General
Category: Capsule Endoscopy
08/18/2022 Medtronic, Inc. V-LOC 180 (Device) Food and Beverage In-kind items and services $25.00 General
Category: Wound Closure
06/28/2022 Intuitive Surgical, Inc. Da Vinci Surgical System (Device) Food and Beverage In-kind items and services $31.53 General
Category: SURGERY
06/15/2022 Boston Scientific Corporation SpyGlass (Device) Food and Beverage In-kind items and services $29.50 General
Category: SpyGlass_ENDO
05/31/2022 Bioventus LLC Nexus (Device) Food and Beverage In-kind items and services $22.44 General
Category: Orthopedics/Orthopedic Surgery
04/22/2022 Novo Nordisk Inc Food and Beverage In-kind items and services $21.49 General
12/15/2021 Lexington Medical, Inc. Aeon Endostapler (Device) Food and Beverage Cash or cash equivalent $54.84 General
Category: Surgical stapling device
11/18/2021 Bayer HealthCare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $125.00 General
Category: Cardio-renal

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 14 443 615 $351,953 $74,126
2022 17 503 585 $290,051 $72,718
2021 14 368 427 $168,884 $42,645
2020 2 23 35 $6,865 $2,184
Total Patients
1,337
Total Services
1,662
Medicare Billing
$191,673
Procedure Codes
47

All Medicare Procedures & Services

47 procedure records from CMS Medicare Utilization — Page 1 of 2

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope Facility 2023 27 27 $134,390 $29,516 22.0%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 35 135 $21,486 $7,949 37.0%
99215 Established patient office or other outpatient visit, 40-54 minutes Facility 2023 53 74 $21,876 $7,772 35.5%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 75 84 $86,900 $6,568 7.6%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 34 35 $15,235 $4,520 29.7%
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes Facility 2023 15 34 $8,100 $3,012 37.2%
99205 New patient office or other outpatient visit, 60-74 minutes Facility 2023 20 20 $8,467 $2,677 31.6%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2023 30 35 $7,700 $2,464 32.0%
91040 Study of esophageal sensation by balloon distension Facility 2023 38 54 $9,240 $1,971 21.3%
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall Facility 2023 33 33 $8,602 $1,923 22.4%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 19 19 $5,316 $1,785 33.6%
91010 Study of esophagus to assess movement Facility 2023 32 33 $6,870 $1,536 22.4%
99204 New patient office or other outpatient visit, 45-59 minutes Facility 2023 19 19 $6,251 $1,367 21.9%
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 13 13 $11,520 $1,066 9.2%
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope Facility 2022 32 33 $126,399 $35,525 28.1%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2022 69 74 $62,900 $7,284 11.6%
99214 Established patient office or other outpatient visit, 30-39 minutes Facility 2022 47 59 $12,656 $4,290 33.9%
99222 Initial hospital inpatient care per day, typically 50 minutes Facility 2022 27 30 $8,280 $2,998 36.2%
91035 Monitoring and recording of esophageal function through a capsule attached to the esophagus wall Facility 2022 44 45 $9,990 $2,818 28.2%
99213 Established patient office or other outpatient visit, 20-29 minutes Facility 2022 43 56 $8,100 $2,672 33.0%
91040 Study of esophageal sensation by balloon distension Facility 2022 47 67 $10,050 $2,533 25.2%
99221 Initial hospital inpatient care per day, typically 30 minutes Facility 2022 33 33 $6,699 $2,445 36.5%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 24 44 $6,424 $2,369 36.9%
99204 New patient office or other outpatient visit, 45-59 minutes Facility 2022 25 25 $8,225 $2,351 28.6%
99215 Established patient office or other outpatient visit, 40-54 minutes Facility 2022 18 18 $5,184 $1,934 37.3%

About Dr. Gregory Grimberg, MD

Dr. Gregory Grimberg, MD is a Surgery healthcare provider based in Mason City, Iowa. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/15/2014. The National Provider Identifier (NPI) number assigned to this provider is 1104245307.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gregory Grimberg, MD has received a total of $3,316 in payments from pharmaceutical and medical device companies, with $191.33 received in 2024. These payments were reported across 37 transactions from 15 companies. The most common payment nature is "Education" ($2,000).

As a Medicare-enrolled provider, Grimberg has provided services to 1,337 Medicare beneficiaries, totaling 1,662 services with total Medicare billing of $191,673. Data is available for 4 years (2020–2023), covering 47 distinct procedure/service records.

Practice Information

  • Specialty Surgery
  • Other Specialties Surgery
  • Location Mason City, IA
  • Active Since 04/15/2014
  • Last Updated 08/28/2020
  • Taxonomy Code 208600000X
  • Entity Type Individual
  • NPI Number 1104245307

Products in Payments

  • Da Vinci Surgical System (Device) $2,409
  • VOQUEZNA (Drug) $154.89
  • Kerendia (Drug) $125.00
  • SONICISION (Device) $108.80
  • LINX Reflux Management System (Device) $107.45
  • AdvantageRib (Device) $85.78
  • Aeon Endostapler (Device) $54.84
  • SpyGlass (Device) $29.50
  • GATTEX (Drug) $28.55
  • V-LOC 180 (Device) $25.00
  • SPY-PHI SYSTEM (Device) $23.39
  • Nexus (Device) $22.44
  • PILLCAM (Device) $17.43
  • ENDOFLIP (Device) $15.59
  • INTEGRA MESHED BILAYER WOUND MATRIX (Device) $14.51

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 Mason City