Dr. Yih Jen Kok, MD

Dr. Kok practices at Diagnostic Medical Group - San Gabriel in San Gabriel, California.

Dr. Kok's NPI, 1518928829, was assigned on March 29, 2006. Dr. Kok graduated from National University of Ireland, Galway Faculty of Medicine in 1992. Dr. Kok holds California license A71806.

Dr. Kok's primary practice is Diagnostic Medical Group - San Gabriel, at 1129 S. San Gabriel Blvd., San Gabriel, CA 91776. The practice phone is (626) 287-6746.

Dr. Kok's primary practice is Diagnostic Medical Group - San Gabriel in San Gabriel, California. Dr. Kok is also affiliated with AHMC San Gabriel Valley Medical Center. The medical group on file is Southern California Heart Centers. Dmand AI also links Dr. Kok to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kok practices, 7 sites in all. Vendor and product names are available with a free account.

Cardiovascular disease is Dr. Kok's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Kok is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Kok's licenses on file in 3 states: California, Texas and Ohio.

Dmand AI lists aneurysm, angioplasty, aortic atherosclerois, atrial fibrillation and flutter, cardiac catheterization, cardiomyopathy, chronic hypertension and coronary artery disease among the conditions Dr. Kok treats.

CMS data shows 23,530 Medicare services from Dr. Kok across 63 procedure codes in 2024, for 2,641 Medicare patients. Medicare paid $659,111 for them.

CMS counts 2,641 Medicare patients who saw Dr. Kok in 2024. The largest group is 65 to 74, with 1,070 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 83% are also on Medicaid. Their average risk score is 1.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Kok's median patient age at 67, with 55% women.

In 2024, Dr. Kok wrote 8,213 Medicare Part D claims for 1,110 patients. 84% of them were for generic drugs. CMS names the drug for 8,069 of them, across 52 drugs with 11 or more claims each, at $1,133,266 in total drug cost. In 2023, CMS named 6,369 claims across 47 drugs.

Dr. Kok accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of coronary angioplasty and stenting by Dr. Kok, more than 30% of the clinicians it reports for that procedure.

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 6 papers to Dr. Kok, published from 2012 to 2024. 2024 was the busiest year, with 3. The most frequent topics are Antioxidants and Biological Products. Dr. Kok's most frequent co-authors are Jason Chi-Shin Chiu, MD and Stanley Kwong Lau, MD.

CMS Open Payments shows 91 general payments to Dr. Kok from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Abbott Laboratories paid the most, $1,355.

Dmand AI lists 2 awards for Dr. Kok, most recently ACC Fellow in 2011.

Dr. Kok graduated from National University of Ireland, Galway Faculty of Medicine in 1992. Dr. Kok is a member of ACC.

Dr. Kok is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.