DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Rialto, CA

12 verified internal medicine doctors in Rialto.

Internists specialize in the prevention, diagnosis, and treatment of adult diseases, often coordinating complex or chronic conditions across multiple systems.

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.

Verify a license at the Medical Board of California

Dr. Rogelio Toh, MD

Internal Medicine

20 yrs NPPES
NPI 1114998077
1850 N RIVERSIDE AVE, SUITE 240, Rialto, CA 92376(909) 421-2700
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Hedyeh Golshan, MD

Internal Medicine

20 yrs NPPES
NPI 1174582688
1850 N RIVERSIDE AVE, SUITE 230, Rialto, CA 92376(909) 875-1199
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $573.56 (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.

$573.56

Total received

31

Transactions

9

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$146.51
Bayer HealthCare Pharmaceuticals Inc.$97.20
Lilly USA, LLC$79.31
Boehringer Ingelheim Pharmaceuticals, Inc.$56.20
MannKind Corporation$51.08
Novo Nordisk Inc$47.38

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 89th percentile of that group.

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

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

Dr. Charles Sabbah, MD

Internal Medicine

20 yrs NPPES
NPI 1467491118
1851 N RIVERSIDE AVE, Rialto, CA 92376(909) 874-2371
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $75.37 (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.

$75.37

Total received

4

Transactions

1

Paying companies

Top paying companies

AbbVie Inc.$75.37

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 74th percentile of that group.

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

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

Dr. Paul Chen, MD

Internal Medicine

20 yrs NPPES
NPI 1588689350
1851 N RIVERSIDE AVE, Rialto, CA 92376(909) 421-2700
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $18.44 (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.

$18.44

Total received

1

Transactions

1

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$18.44

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 66th percentile of that group.

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

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

Dr. Ikechi Obiocha, MD

Internal Medicine

20 yrs NPPES
NPI 1467479295
1851 N RIVERSIDE AVE, Rialto, CA 92376(909) 822-1164
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Yousuf Sadiq, MD

Internal Medicine

20 yrs NPPES
NPI 1417067588
279 WEST RIALTO AVENUE, Rialto, CA 92376(909) 820-7377
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $58.24 (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.

$58.24

Total received

3

Transactions

2

Paying companies

Top paying companies

Amgen Inc.$37.78
Lilly USA, LLC$20.46

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 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 internal medicine doctors.

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

Dr. Ravindranath Shahane, MD

Internal Medicine

20 yrs NPPES
NPI 1457420903
1734 N RIVERSIDE AVE, SUITE #2, Rialto, CA 92376(909) 875-3595
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $900.48 (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.

$900.48

Total received

33

Transactions

10

Paying companies

Top paying companies

AbbVie Inc.$290.79
Bayer HealthCare Pharmaceuticals Inc.$216.20
Janssen Pharmaceuticals, Inc$128.84
Boehringer Ingelheim Pharmaceuticals, Inc.$117.64
AstraZeneca Pharmaceuticals LP$42.36
Novo Nordisk Inc$34.23

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 91% of that group — among the highest recipients.

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

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

Dr. Sun Soung, MD

Internal Medicine

20 yrs NPPES
NPI 1295893162
1734 N RIVERSIDE AVE, SUITE 2, Rialto, CA 92376(909) 875-3595
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Mehrdad Ghahremani-Ghajar, DO

Internal Medicine

16 yrs NPPES
NPI 1942510607
2248 N MILOR AVE, Rialto, CA 92377(909) 472-8375
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Hiteshi Thakker, MD

Internal Medicine

15 yrs NPPES
NPI 1437437134
1851 N RIVERSIDE AVE, Rialto, CA 92376(909) 583-2741
NPPES public registry
CMS Open Payments· $17.29 (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.

$17.29

Total received

1

Transactions

1

Paying companies

Top paying companies

Boehringer Ingelheim Pharmaceuticals, Inc.$17.29

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 65th percentile of that group.

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

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

Dr. Natasha Alexander, MD

Internal Medicine

15 yrs NPPES
NPI 1255615530
1851 N RIVERSIDE AVE, Rialto, CA 92376(909) 874-2371
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Carlos Buitrago, MD

Internal Medicine

8 yrs NPPES
NPI 1710481445
2006 N RIVERSIDE AVE STE B, Rialto, CA 92377(909) 644-4063
NPPES public registry
CMS Open Payments· $834.81 (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.

$834.81

Total received

16

Transactions

6

Paying companies

Top paying companies

Gilead Sciences, Inc.$439.84
Exact Sciences Corporation$135.21
Regeneron Healthcare Solutions, Inc.$121.82
Genzyme Corporation$58.24
Celgene Corporation$40.50
RedHill Biopharma Inc.$39.20

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 91% of that group — among the highest recipients.

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

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

Internal Medicine in Rialto, CA — Verified | DoctorsProof | DoctorsProof