Dr. Earl Darby, MD

NPI: 1790743292
Total Payments
$5,922
2022 Payments
$19.43
Companies
28
Transactions
332
Medicare Patients
788
Medicare Billing
$90,746

Payment Breakdown by Category

Food & Beverage$5,908 (99.8%)
Education$14.50 (0.2%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $5,908 331 99.8%
Education $14.50 1 0.2%

Top Paying Companies

Company Total Records Latest Year
ABBVIE INC. $1,403 77 $0 (2022)
Gilead Sciences, Inc. $732.73 46 $0 (2021)
Janssen Biotech, Inc. $666.56 36 $0 (2021)
Salix Pharmaceuticals, a division of Bausch Health US, LLC $442.19 27 $0 (2020)
Takeda Pharmaceuticals U.S.A., Inc. $425.31 28 $0 (2021)
Daiichi Sankyo Inc. $221.22 10 $0 (2021)
Merck Sharp & Dohme Corporation $192.02 11 $0 (2020)
Allergan, Inc. $186.07 13 $0 (2020)
Braintree Laboratories, Inc. $176.92 9 $0 (2021)
Intercept Pharmaceuticals, Inc. $159.62 7 $0 (2020)

Payment History by Year

Year Amount Transactions Top Company
2022 $19.43 1 ABBVIE INC. ($19.43)
2021 $880.70 48 AbbVie Inc. ($398.93)
2020 $1,109 45 Gilead Sciences, Inc. ($246.57)
2019 $1,477 101 Gilead Sciences, Inc. ($321.73)
2018 $1,330 74 AbbVie, Inc. ($305.85)
2017 $1,107 63 AbbVie, Inc. ($252.92)

All Payment Transactions

332 individual payment records from CMS Open Payments — Page 1 of 14

Date Company Product Nature Form Amount Type
05/17/2022 ABBVIE INC. CREON (Drug), LINZESS Food and Beverage In-kind items and services $19.43 General
Category: ENDOCRINOLOGY
07/28/2021 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $24.71 General
Category: Immunology
06/30/2021 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $25.07 General
Category: Immunology
06/30/2021 AbbVie Inc. MAVYRET (Drug) Food and Beverage In-kind items and services $7.05 General
Category: VIROLOGY
06/29/2021 Daiichi Sankyo Inc. INJECTAFER (Drug) Food and Beverage In-kind items and services $21.23 General
Category: Iron Deficiency Anemia
06/19/2021 AbbVie Inc. LINZESS (Drug), CREON Food and Beverage In-kind items and services $20.50 General
Category: GASTROENTEROLOGY
06/17/2021 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $14.92 General
Category: Immunology
06/15/2021 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $24.53 General
Category: Immunology
06/15/2021 Takeda Pharmaceuticals U.S.A., Inc. ENTYVIO (Biological) Food and Beverage In-kind items and services $23.95 General
Category: INTERNAL MEDICINE
06/11/2021 Ferring Pharmaceuticals Inc. CLENPIQ (Drug) Food and Beverage In-kind items and services $19.56 General
Category: GASTROENTEROLOGY
06/10/2021 AbbVie Inc. CREON (Drug) Food and Beverage In-kind items and services $22.92 General
Category: ENDOCRINOLOGY
06/03/2021 Takeda Pharmaceuticals U.S.A., Inc. ENTYVIO (Biological) Food and Beverage In-kind items and services $19.29 General
Category: INTERNAL MEDICINE
06/02/2021 AbbVie Inc. HUMIRA (Biological) Food and Beverage In-kind items and services $26.53 General
Category: IMMUNOLOGY
06/01/2021 Daiichi Sankyo Inc. INJECTAFER (Drug) Food and Beverage In-kind items and services $22.65 General
Category: Iron Deficiency Anemia
05/26/2021 AbbVie Inc. CREON (Drug), VIBERZI, LINZESS Food and Beverage In-kind items and services $23.81 General
Category: ENDOCRINOLOGY
05/26/2021 AbbVie Inc. CREON (Drug) Food and Beverage In-kind items and services $19.74 General
Category: ENDOCRINOLOGY
05/20/2021 AbbVie Inc. HUMIRA (Biological) Food and Beverage In-kind items and services $21.21 General
Category: IMMUNOLOGY
05/19/2021 Daiichi Sankyo Inc. INJECTAFER (Drug) Food and Beverage In-kind items and services $11.18 General
Category: Iron Deficiency Anemia
05/12/2021 AbbVie Inc. HUMIRA (Biological) Food and Beverage In-kind items and services $16.94 General
Category: IMMUNOLOGY
05/10/2021 Takeda Pharmaceuticals U.S.A., Inc. MOTEGRITY (Drug) Food and Beverage In-kind items and services $17.62 General
Category: INTERNAL MEDICINE
05/10/2021 Takeda Pharmaceuticals U.S.A., Inc. MOTEGRITY (Drug) Food and Beverage In-kind items and services $13.25 General
Category: INTERNAL MEDICINE
05/07/2021 AbbVie Inc. MAVYRET (Drug) Food and Beverage In-kind items and services $7.03 General
Category: VIROLOGY
05/04/2021 AbbVie Inc. HUMIRA (Biological) Food and Beverage In-kind items and services $25.81 General
Category: IMMUNOLOGY
04/28/2021 Janssen Biotech, Inc. STELARA (Biological) Food and Beverage In-kind items and services $15.78 General
Category: Immunology
04/27/2021 Braintree Laboratories, Inc. SUTAB (Drug) Food and Beverage In-kind items and services $21.66 General
Category: GI COLON PREP

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2021 7 252 293 $120,110 $25,178
2020 11 536 629 $328,864 $65,569
Total Patients
788
Total Services
922
Medicare Billing
$90,746
Procedure Codes
18

All Medicare Procedures & Services

18 procedure records from CMS Medicare Utilization

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99213 Established patient outpatient visit, total time 20-29 minutes Office 2021 121 162 $22,947 $11,160 48.6%
45378 Diagnostic examination of the colon (large bowel) using an endoscope(colonoscopy); high risk Facility 2021 28 28 $25,900 $3,546 13.7%
45380 Biopsy of the large bowel using an endoscope (colonoscopy) Facility 2021 20 20 $21,955 $2,978 13.6%
45385 Removal of polyps or growths in large bowel using an endoscope (colonoscopy) using a mechanical snare Facility 2021 13 13 $15,960 $2,778 17.4%
43239 Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope Facility 2021 20 20 $16,387 $1,778 10.9%
99203 New patient outpatient visit, total time 30-44 minutes Office 2021 38 38 $8,308 $1,704 20.5%
43235 Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope Facility 2021 12 12 $8,653 $1,233 14.3%
99213 Established patient office or other outpatient visit, typically 15 minutes Office 2020 154 220 $31,163 $13,393 43.0%
45385 Removal of polyps or growths of large bowel using an endoscope Facility 2020 44 44 $54,407 $9,296 17.1%
45378 Diagnostic examination of large bowel using an endoscope Facility 2020 53 53 $49,024 $8,042 16.4%
43239 Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope Facility 2020 61 63 $53,251 $6,602 12.4%
45380 Biopsy of large bowel using an endoscope Facility 2020 50 50 $55,336 $5,474 9.9%
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk Facility 2020 23 23 $21,275 $4,928 23.2%
99203 New patient office or other outpatient visit, typically 30 minutes Office 2020 55 55 $12,025 $4,521 37.6%
99223 Initial hospital inpatient care, typically 70 minutes per day Facility 2020 20 20 $7,744 $3,697 47.7%
99232 Subsequent hospital inpatient care, typically 25 minutes per day Facility 2020 29 54 $7,689 $3,567 46.4%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2020 15 15 $13,875 $3,124 22.5%
43235 Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope Facility 2020 32 32 $23,075 $2,925 12.7%

About Dr. Earl Darby, MD

Dr. Earl Darby, MD is a Gastroenterology healthcare provider based in Oakland, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/03/2006. The National Provider Identifier (NPI) number assigned to this provider is 1790743292.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Earl Darby, MD has received a total of $5,922 in payments from pharmaceutical and medical device companies, with $19.43 received in 2022. These payments were reported across 332 transactions from 28 companies. The most common payment nature is "Food and Beverage" ($5,908).

As a Medicare-enrolled provider, Darby has provided services to 788 Medicare beneficiaries, totaling 922 services with total Medicare billing of $90,746. Data is available for 2 years (2020–2021), covering 18 distinct procedure/service records.

Practice Information

  • Specialty Gastroenterology
  • Location Oakland, CA
  • Active Since 05/03/2006
  • Last Updated 11/11/2013
  • Taxonomy Code 207RG0100X
  • Entity Type Individual
  • NPI Number 1790743292

Products in Payments

  • STELARA (Biological) $666.56
  • HUMIRA (Biological) $366.48
  • Creon (Drug) $287.34
  • Entyvio (Biological) $242.40
  • LINZESS (Drug) $241.33
  • Humira (Biological) $234.36
  • INJECTAFER (Drug) $221.22
  • XIFAXAN (Drug) $209.13
  • Mavyret (Drug) $186.54
  • OCALIVA (Drug) $159.62
  • ENTYVIO (Biological) $142.42
  • CREON (Drug) $138.51
  • MOVIPREP (Drug) $120.27
  • Mulpleta (Drug) $116.33
  • Cimzia (Drug) $115.35
  • Vemlidy (Drug) $113.64
  • Cook Medical Hemostasis (Device) $110.11
  • SUPREP (Drug) $107.29
  • INFLECTRA (Biological) $105.91
  • VIBERZI (Drug) $93.59

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.

Gastroenterology Doctors in Oakland