Dr. Johnny Kao, MD

Dr. Kao practices at Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.

Dr. Kao's NPI, 1639141476, was assigned on February 6, 2006. Dr. Kao graduated from Icahn School Of Medicine At Mount Sinai in 2000. Dr. Kao holds New York license 234755.

Dr. Kao's primary practice is Good Samaritan University Hospital, at 1000 Montauk Highway, West Islip, NY 11795 in Suffolk County. The practice phone is (631) 376-3000.

Dr. Kao's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre. Dr. Kao is also affiliated with St. Francis Hospital & Heart Center. The medical group on file is Good Samaritan University Hospital. Dmand AI also links Dr. Kao to 2 more hospitals, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kao practices, 4 sites in all. Vendor and product names are available with a free account.

Radiation oncology is Dr. Kao's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Kao is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Kao's licenses on file in 2 states: New York and Florida.

Dmand AI lists bladder cancer radiation, bone cancer radiation, brain cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI, colorectal cancer radiation and head & neck cancer radiation among the conditions Dr. Kao treats.

CMS data shows 6,159 Medicare services from Dr. Kao across 21 procedure codes in 2024, for 411 Medicare patients. Medicare paid $422,470 for them.

CMS counts 411 Medicare patients who saw Dr. Kao in 2024. The largest group is 65 to 74, with 172 patients. 75% of them have cancer, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.77, 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. Kao's median patient age at 74, with 41% women.

In 2024, Dr. Kao wrote 167 Medicare Part D claims for 92 patients. 97% of them were for generic drugs. CMS names the drug for 78 of them, across 2 drugs with 11 or more claims each, at $596 in total drug cost. In 2023, CMS named 55 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Kao for performance year 2024, reported individually. Dr. Kao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 67 papers to Dr. Kao, published from 2007 to 2025. 2015 was the busiest year, with 4. The most frequent topics are Neoplasm Metastasis, Head and Neck Neoplasms and Prostatic Neoplasms. Dr. Kao has published most often in Int J Radiat Oncol Biol Phys. Dr. Kao's most frequent co-authors are Eric M. Genden, MD, Richard G. Stock, MD and Max W. Sung.

Dmand AI links Dr. Kao to 4 clinical trials, 2 of them phase 1/2 studies. Conditions studied include Paranasal Sinus Neoplasms, Brain Neoplasms and Skull Neoplasms. Johnny Kao sponsors the most, 2.

CMS Open Payments shows 95 general payments to Dr. Kao from 23 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 85% of the total. AstraZeneca Pharmaceuticals LP paid the most, $18,479.

Dr. Kao graduated from Icahn School Of Medicine At Mount Sinai in 2000.

Dr. Kao is in network with 16 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.