DoctorsProofNPPES directory · verify at state boards

Internal Medicine in West Covina, CA

25 verified internal medicine doctors in West Covina.

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. Jiandong Liu, MD

Internal Medicine

20 yrs NPPES
NPI 1649238130
2902 E VIRGINIA AVE, #12, West Covina, CA 91791(626) 676-0172
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. Amitabh Chauhan, MD

Internal Medicine

20 yrs NPPES
NPI 1619925948
1135 S SUNSET AVE, #100, West Covina, CA 91790(626) 960-8614
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. Ziad Dabuni, MD

Internal Medicine

20 yrs NPPES
NPI 1851349187
1135 S SUNSET AVE, West Covina, CA 91790(626) 960-8614
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. Ruth Karunananthan, MD

Internal Medicine

20 yrs NPPES
NPI 1922057256
1500 W WEST COVINA PKWY, STE 102, West Covina, CA 91790(626) 263-7010
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $30.33 (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.

$30.33

Total received

2

Transactions

1

Paying companies

Top paying companies

Novo Nordisk Inc$30.33

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 69th percentile of that group.

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

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

Dr. Tei Chen Wang, MD

Internal Medicine

20 yrs NPPES
NPI 1679523906
1500 W WEST COVINA PKWY, STE 100, West Covina, CA 91790(626) 856-2226
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $33.06 (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.

$33.06

Total received

1

Transactions

1

Paying companies

Top paying companies

Pfizer Inc.$33.06

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 69th percentile of that group.

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

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

Dr. Virgilio Soriano, MD

Internal Medicine

20 yrs NPPES
NPI 1801843073
1559 E AMAR RD, SUITE F, West Covina, CA 91792(626) 810-1522
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $140.02 (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.

$140.02

Total received

7

Transactions

6

Paying companies

Top paying companies

Esperion Therapeutics, Inc.$46.04
Lilly USA, LLC$32.24
Philips North America LLC$20.34
AstraZeneca Pharmaceuticals LP$14.53
Horizon Therapeutics plc$14.13
Novo Nordisk Inc$12.74

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 79th percentile of that group.

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

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

Dr. Jair Wong, MD

Internal Medicine

20 yrs NPPES
NPI 1972541266
906 S SUNSET AVE STE 102, West Covina, CA 91790(626) 962-9108
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. Kyaw Lyn, MD

Internal Medicine

20 yrs NPPES
NPI 1902841166
906 S SUNSET AVE, SUITE 101, West Covina, CA 91790(626) 960-1902
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $3,394 (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.

$3,394

Total received

93

Transactions

20

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$592.38
Amgen Inc.$447.26
Boehringer Ingelheim Pharmaceuticals, Inc.$366.99
GlaxoSmithKline, LLC.$325.70
Janssen Pharmaceuticals, Inc$300.29
Lilly USA, LLC$300.15

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 96% of that group — among the highest recipients.

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

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

Dr. Anil Gupta, MD

Internal Medicine

20 yrs NPPES
NPI 1538182407
1535 W MERCED AVE STE 301, West Covina, CA 91790(626) 922-0533
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. John Wang, MD

Internal Medicine

20 yrs NPPES
NPI 1285747931
1115 S SUNSET AVE STE 200, West Covina, CA 91790(626) 732-8390
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. Ping Lim, MD

Internal Medicine

20 yrs NPPES
NPI 1851408009
1433 WEST MERCED AVE, STE 206, West Covina, CA 91790(626) 960-4994
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. Seung Sue Cua, MD

Internal Medicine

20 yrs NPPES
NPI 1063513661
1433 W MERCED AVE, STE 114-8, West Covina, CA 91790(626) 960-4939
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $723.82 (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.

$723.82

Total received

32

Transactions

7

Paying companies

Top paying companies

Lilly USA, LLC$307.04
Boehringer Ingelheim Pharmaceuticals, Inc.$129.59
Bayer HealthCare Pharmaceuticals Inc.$109.61
AstraZeneca Pharmaceuticals LP$79.55
E.R. Squibb & Sons, L.L.C.$41.36
Pfizer Inc.$33.18

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 90% of that group — among the highest recipients.

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

Payments to Seung Sue Cua do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Johny Cu, MD

Internal Medicine

20 yrs NPPES
NPI 1336223569
1535 W MERCED AVE, SUITE 301, West Covina, CA 91790(626) 331-6411
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. Lina Dela Cruz, MD

Internal Medicine

20 yrs NPPES
NPI 1952489858
140 N ORANGE AVE STE 100, West Covina, CA 91790(626) 800-1200
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $382.36 (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.

$382.36

Total received

18

Transactions

10

Paying companies

Top paying companies

Xeris Pharmaceuticals, Inc.$63.43
Dexcom, Inc.$55.58
Bayer HealthCare Pharmaceuticals Inc.$54.74
Pfizer Inc.$41.14
Horizon Therapeutics plc$35.95
GlaxoSmithKline, LLC.$31.86

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 86th percentile of that group.

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

Payments to Lina Dela Cruz do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Hee Oh, MD

Internal Medicine

20 yrs NPPES
NPI 1225106693
1433 W MERCED AVE STE 207, West Covina, CA 91790(626) 962-2421
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,033 (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.

$1,033

Total received

27

Transactions

9

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$455.16
Lilly USA, LLC$243.31
GlaxoSmithKline, LLC.$142.76
AbbVie Inc.$54.65
Amarin Pharma, Inc.$41.37
Amgen Inc.$26.60

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 92% of that group — among the highest recipients.

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

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

Dr. Jae Kim, MD

Internal Medicine

20 yrs NPPES
NPI 1689735953
1433 W MERCED AVE., SUITE 217, West Covina, CA 91790(626) 917-1924
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. Lakshman Makandura, MD

Internal Medicine

19 yrs NPPES
NPI 1578614657
910 S SUNSET AVE, SUITE # 8, West Covina, CA 91790(626) 338-8407
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $641.65 (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.

$641.65

Total received

27

Transactions

10

Paying companies

Top paying companies

Lilly USA, LLC$208.37
GlaxoSmithKline, LLC.$111.36
AstraZeneca Pharmaceuticals LP$78.53
Merz North America, Inc.$65.47
Dexcom, Inc.$64.71
Boehringer Ingelheim Pharmaceuticals, Inc.$36.96

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 Lakshman Makandura do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Binh Tran-Lei, DO

Internal Medicine

19 yrs NPPES
NPI 1659561645
3048 EAST CINDY ST, West Covina, CA 91792(626) 475-2614
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. Forest Tennant, MD

Internal Medicine

19 yrs NPPES
NPI 1720278252
338 SO GLENDORA AVE, West Covina, CA 91790(626) 919-0064
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. Patrick Truong, MD

Internal Medicine

19 yrs NPPES
NPI 1326237819
1135 S SUNSET AVE, SUITE 405, West Covina, CA 91790(626) 960-2326
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,617 (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.

$1,617

Total received

70

Transactions

14

Paying companies

Top paying companies

AbbVie Inc.$529.63
Janssen Biotech, Inc.$214.79
E.R. Squibb & Sons, L.L.C.$162.64
Ardelyx, Inc.$150.56
Novo Nordisk Inc$124.49
Fresenius Kabi USA, LLC$120.67

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 94% of that group — among the highest recipients.

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

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

Dr. Henry Chang, DO

Internal Medicine

18 yrs NPPES
NPI 1740430289
2707 E VALLEY BLVD, SUITE 208, West Covina, CA 91792(626) 581-0486
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $677.34 (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.

$677.34

Total received

28

Transactions

9

Paying companies

Top paying companies

Amgen Inc.$282.03
Lilly USA, LLC$118.36
NOVARTIS PHARMACEUTICALS CORPORATION$76.27
Boehringer Ingelheim Pharmaceuticals, Inc.$64.95
AstraZeneca Pharmaceuticals LP$38.34
IDORSIA PHARMACEUTICALS US INC$37.17

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 90% of that group — among the highest recipients.

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

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

Dr. Fu-Cheng Chuang, MD

Internal Medicine

14 yrs NPPES
NPI 1063779544
1115 S SUNSET AVE STE 200, West Covina, CA 91790(626) 732-8390
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. Meisam Fekri, MD

Internal Medicine

8 yrs NPPES
NPI 1831687581
222 N SUNSET AVE STE F, West Covina, CA 91790(626) 430-6826
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. Anildeep Gill, MD

Internal Medicine

7 yrs NPPES
NPI 1265099642
1115 S SUNSET AVE, West Covina, CA 91790(626) 962-4011
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. Michael John Bunag, MD

Internal Medicine

5 yrs NPPES
NPI 1104414101
100 N BARRANCA ST STE 900, West Covina, CA 91791(626) 206-0523
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $708.01 (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.

$708.01

Total received

6

Transactions

5

Paying companies

Top paying companies

Boehringer Ingelheim Pharmaceuticals, Inc.$225.40
AbbVie Inc.$124.99
Lilly USA, LLC$124.83
Bayer HealthCare Pharmaceuticals Inc.$117.74
Amgen Inc.$115.05

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 90% of that group — among the highest recipients.

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

Payments to Michael John Bunag do not imply any wrongdoing. Many are meals, education, or research support.

Internal Medicine in West Covina, CA — Verified | DoctorsProof | DoctorsProof