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Gastroenterology in Rancho Cucamonga, CA

6 verified gastroenterology doctors in Rancho Cucamonga.

Gastroenterologists specialize in the digestive system, treating conditions of the stomach, intestines, liver, and pancreas.

NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.

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Dr. Andrea Tieng, MD

Gastroenterology

18 yrs NPPES
NPI 1356528566
10801 FOOTHILL BLVD STE 106, Rancho Cucamonga, CA 91730(909) 255-7200
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $249.42 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$249.42

Total received

11

Transactions

6

Paying companies

Top paying companies

Janssen Biotech, Inc.$104.85
Ardelyx, Inc.$57.74
Boston Scientific Corporation$30.42
Salix Pharmaceuticals, a division of Bausch Health US, LLC$27.61
Mallinckrodt Hospital Products Inc.$15.10
Celgene Corporation$13.70

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 57th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Andrea Tieng do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Deborah Anghesom-Negusse, MD

Gastroenterology

18 yrs NPPES
NPI 1780862169
8221 ROCHESTER AVE STE 130, Rancho Cucamonga, CA 91730(909) 360-1111
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $16.13 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$16.13

Total received

1

Transactions

1

Paying companies

Top paying companies

Salix Pharmaceuticals, a division of Bausch Health US, LLC$16.13

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 38th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Deborah Anghesom-Negusse do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Bhavesh Patel, MD

Gastroenterology

17 yrs NPPES
NPI 1952543514
9481 PITTSBURGH AVE STE 200, Rancho Cucamonga, CA 91730(909) 655-0300
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $815.90 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$815.90

Total received

40

Transactions

7

Paying companies

Top paying companies

AbbVie Inc.$329.53
Salix Pharmaceuticals, a division of Bausch Health US, LLC$256.96
Janssen Biotech, Inc.$88.78
Ferring Pharmaceuticals Inc.$49.54
Phathom Pharmaceuticals, Inc.$32.87
Exact Sciences Corporation$30.75

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 72th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Bhavesh Patel do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Muhammad Hammami, MD

Gastroenterology

15 yrs NPPES
NPI 1073801809
9140 HAVEN AVE STE 115, Rancho Cucamonga, CA 91730(909) 606-4860
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $8,520 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$8,520

Total received

5

Transactions

1

Paying companies

Top paying companies

Takeda Pharmaceuticals U.S.A., Inc.$8,520

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is higher than 90% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Muhammad Hammami do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Hussein Abidali, DO

Gastroenterology

13 yrs NPPES
NPI 1205274768
7974 HAVEN AVE STE 210, Rancho Cucamonga, CA 91730(909) 941-0661
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $148.23 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$148.23

Total received

6

Transactions

2

Paying companies

Top paying companies

Ardelyx, Inc.$124.35
Gilead Sciences, Inc.$23.88

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total ranks around the 51th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Hussein Abidali do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Arwa Zakaria, DO

Gastroenterology

12 yrs NPPES
NPI 1184037046
9481 PITTSBURGH AVE STE 200, Rancho Cucamonga, CA 91730(909) 655-0300
NPPES public registry
CMS Open Payments· $120.36 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$120.36

Total received

1

Transactions

1

Paying companies

Top paying companies

AbbVie Inc.$120.36

Among the 17,272 gastroenterology doctors we've analyzed, about 63% received any industry payment (median $623 among those who did). This doctor's total is on the lower end — around the 49th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US gastroenterology doctors.

Payments to Arwa Zakaria do not imply any wrongdoing. Many are meals, education, or research support.

Gastroenterology in Rancho Cucamonga, CA — Verified | DoctorsProof | DoctorsProof