Dr. Robert Greenfield, MD

NPI: 1821005984
Total Payments
$2,154
2024 Payments
$20.05
Companies
22
Transactions
86
Medicare Patients
455
Medicare Billing
$36,887

Payment Breakdown by Category

Food & Beverage$2,154 (100.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $2,154 86 100.0%

Top Paying Companies

Company Total Records Latest Year
Amgen Inc. $760.21 25 $0 (2020)
Novartis Pharmaceuticals Corporation $367.72 12 $0 (2020)
GlaxoSmithKline, LLC. $308.10 12 $0 (2020)
PFIZER INC. $115.73 8 $0 (2019)
Valeant Pharmaceuticals North America LLC $100.16 1 $0 (2017)
Novo Nordisk Inc $70.69 5 $0 (2018)
Allergan Inc. $50.64 2 $0 (2017)
Hydrofera LLC $49.09 2 $0 (2024)
Kowa Pharmaceuticals America, Inc. $40.84 2 $0 (2020)
SANOFI PASTEUR INC. $39.23 2 $0 (2020)

Payment History by Year

Year Amount Transactions Top Company
2024 $20.05 1 Hydrofera LLC ($20.05)
2022 $29.04 1 Hydrofera LLC ($29.04)
2020 $130.90 7 Amgen Inc. ($43.28)
2019 $529.56 24 Amgen Inc. ($322.08)
2018 $593.89 24 Amgen Inc. ($200.87)
2017 $850.74 29 GlaxoSmithKline, LLC. ($196.83)

All Payment Transactions

86 individual payment records from CMS Open Payments — Page 1 of 4

Date Company Product Nature Form Amount Type
01/29/2024 Hydrofera LLC HYDROFERA BLUE (Device) Food and Beverage In-kind items and services $20.05 General
Category: WOUND CARE
09/29/2022 Hydrofera LLC HYDROFERA BLUE (Device) Food and Beverage In-kind items and services $29.04 General
Category: WOUND CARE
03/11/2020 Amgen Inc. Aimovig (Biological), Otezla, Repatha Food and Beverage In-kind items and services $21.35 General
Category: Neuroscience
03/10/2020 Novartis Pharmaceuticals Corporation ENTRESTO (Drug) Food and Beverage In-kind items and services $16.31 General
Category: CARDIOVASCULAR
03/05/2020 Kowa Pharmaceuticals America, Inc. Livalo (Drug) Food and Beverage Cash or cash equivalent $24.69 General
Category: Cardiovascular
02/21/2020 GlaxoSmithKline, LLC. ANORO ELLIPTA (Drug), TRELEGY ELLIPTA Food and Beverage In-kind items and services $12.40 General
Category: RESPIRATORY
02/19/2020 SANOFI PASTEUR INC. ADACEL (Biological), FLUZONE HIGH-DOSE, FLUBLOK QUADRIVALENT NORTHERN HEMISPHERE Food and Beverage In-kind items and services $20.34 General
Category: Vaccines
01/30/2020 Amgen Inc. Aimovig (Biological), Repatha Food and Beverage In-kind items and services $21.93 General
Category: Neuroscience
01/09/2020 Medtronic Vascular, Inc. ClosureFast (Device) Food and Beverage In-kind items and services $13.88 General
Category: EndoVenous Therapies
12/09/2019 Amgen Inc. EVENITY (Biological), Prolia Food and Beverage In-kind items and services $22.12 General
Category: Bone Health
12/04/2019 PFIZER INC. PREVNAR - 13 (Biological) Food and Beverage In-kind items and services $17.94 General
Category: VACCINES
11/07/2019 PFIZER INC. CHANTIX (Drug), ELIQUIS Food and Beverage In-kind items and services $14.97 General
Category: NEUROSCIENCE;TOBACCO DEPENDENCE
10/30/2019 Amgen Inc. Aimovig (Biological), Repatha Food and Beverage In-kind items and services $21.93 General
Category: Neuroscience
10/17/2019 Amgen Inc. EVENITY (Biological), Prolia Food and Beverage In-kind items and services $19.11 General
Category: Bone Health
10/15/2019 Novartis Pharmaceuticals Corporation ENTRESTO (Drug) Food and Beverage In-kind items and services $17.98 General
Category: CARDIOVASCULAR
09/18/2019 Amgen Inc. Aimovig (Biological), Repatha Food and Beverage In-kind items and services $22.62 General
Category: Neuroscience
08/15/2019 Novartis Pharmaceuticals Corporation ENTRESTO (Drug) Food and Beverage In-kind items and services $15.64 General
Category: CARDIOVASCULAR
08/06/2019 PFIZER INC. CHANTIX (Drug), ELIQUIS Food and Beverage In-kind items and services $14.95 General
Category: NEUROSCIENCE;TOBACCO DEPENDENCE
07/30/2019 Amgen Inc. EVENITY (Biological) Food and Beverage In-kind items and services $122.08 General
Category: Bone Health
07/29/2019 Amgen Inc. EVENITY (Biological), Prolia Food and Beverage In-kind items and services $19.05 General
Category: Bone Health
07/08/2019 Amgen Inc. Aimovig (Biological), Repatha Food and Beverage In-kind items and services $17.75 General
Category: Neuroscience
06/15/2019 GlaxoSmithKline, LLC. ANORO (Drug) Food and Beverage In-kind items and services $16.53 General
Category: RESPIRATORY
06/10/2019 Radius Health, Inc. Tymlos (Biological) Food and Beverage In-kind items and services $25.25 General
Category: Endocrinology
05/23/2019 Amgen Inc. Aimovig (Biological), Repatha Food and Beverage In-kind items and services $18.35 General
Category: Neuroscience
05/09/2019 PFIZER INC. CHANTIX (Drug), ELIQUIS Food and Beverage In-kind items and services $13.51 General
Category: NEUROSCIENCE;TOBACCO DEPENDENCE

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2020 7 455 574 $62,217 $36,887
Total Patients
455
Total Services
574
Medicare Billing
$36,887
Procedure Codes
7

All Medicare Procedures & Services

7 procedure records from CMS Medicare Utilization

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99215 Established patient office or other outpatient, visit typically 40 minutes Office 2020 159 226 $35,990 $20,437 56.8%
99214 Established patient office or other outpatient, visit typically 25 minutes Office 2020 111 148 $17,467 $10,383 59.4%
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit Office 2020 30 30 $3,762 $3,688 98.0%
99211 Established patient office or other outpatient visit, typically 5 minutes Office 2020 105 116 $2,936 $1,117 38.1%
99213 Established patient office or other outpatient visit, typically 15 minutes Office 2020 18 19 $1,550 $959.70 61.9%
93000 Routine ekg using at least 12 leads including interpretation and report Office 2020 20 20 $445.30 $238.10 53.5%
85610 Blood test, clotting time Office 2020 12 15 $66.59 $63.00 94.6%

About Dr. Robert Greenfield, MD

Dr. Robert Greenfield, MD is a Internal Medicine healthcare provider based in Annapolis, Maryland. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/02/2006. The National Provider Identifier (NPI) number assigned to this provider is 1821005984.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Robert Greenfield, MD has received a total of $2,154 in payments from pharmaceutical and medical device companies, with $20.05 received in 2024. These payments were reported across 86 transactions from 22 companies. The most common payment nature is "Food and Beverage" ($2,154).

As a Medicare-enrolled provider, Greenfield has provided services to 455 Medicare beneficiaries, totaling 574 services with total Medicare billing of $36,887. Data is available for 1 year (2020–2020), covering 7 distinct procedure/service records.

Practice Information

  • Specialty Internal Medicine
  • Location Annapolis, MD
  • Active Since 08/02/2006
  • Last Updated 07/08/2007
  • Taxonomy Code 207R00000X
  • Entity Type Individual
  • NPI Number 1821005984

Products in Payments

  • ENTRESTO (Drug) $367.72
  • Repatha (Biological) $283.97
  • EVENITY (Biological) $195.45
  • Aimovig (Biological) $148.11
  • ANORO ELLIPTA (Drug) $134.25
  • Prolia (Biological) $132.68
  • XIFAXAN (Drug) $100.16
  • CHANTIX (Drug) $86.51
  • ANORO (Drug) $83.64
  • VIBERZI (Drug) $50.64
  • HYDROFERA BLUE (Device) $49.09
  • Victoza (Drug) $43.01
  • Livalo (Drug) $40.84
  • BOOSTRIX (Biological) $39.52
  • FORTEO (Drug) $38.27
  • Ozempic (Drug) $27.68
  • Tymlos (Biological) $25.25
  • ADACEL (Biological) $20.34
  • FLUZONE HIGH-DOSE (Drug) $18.89
  • PREVNAR - 13 (Biological) $17.94

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.

Internal Medicine Doctors in Annapolis