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Internal Medicine in Laguna Woods, CA

3 verified internal medicine doctors in Laguna Woods.

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. Susan Grenz, MD

Internal Medicine

20 yrs NPPES
NPI 1013989870
779 C VIA LOS ALTOS, Laguna Woods, CA 92637(727) 798-6640
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. Kien-An Duong, MD

Internal Medicine

20 yrs NPPES
NPI 1033175658
24268 EL TORO ROAD, Laguna Woods, CA 92637(657) 241-8455
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $252.83 (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.

$252.83

Total received

4

Transactions

3

Paying companies

Top paying companies

Gilead Sciences, Inc.$128.90
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)$110.65
Salix Pharmaceuticals, a division of Bausch Health US, LLC$13.28

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 83th percentile of that group.

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

Payments to Kien-An Duong do not imply any wrongdoing. Many are meals, education, or research support.

Dr. James Lee, MD

Internal Medicine

20 yrs NPPES
NPI 1891853107
24268 EL TORO ROAD, Laguna Woods, CA 92637(657) 241-8455
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $17.77 (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.

$17.77

Total received

1

Transactions

1

Paying companies

Top paying companies

GlaxoSmithKline, LLC.$17.77

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 James Lee do not imply any wrongdoing. Many are meals, education, or research support.

Internal Medicine in Laguna Woods, CA — Verified | DoctorsProof | DoctorsProof