Dr. Jelena M. Kao, MD

Dr. Kao practices at Concord Medical Center in Concord, California, part of John Muir Health.

Dr. Kao's NPI, 1932242062, was assigned on February 15, 2007. Dr. Kao graduated from Stanford University School Of Medicine in 1997. Dr. Kao holds California license A83980.

Dr. Kao's primary practice is Concord Medical Center, at 2540 East St, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 682-8200.

Dr. Kao's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Dr. Kao is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is John Muir Medical Group. Dmand AI also links Dr. Kao to 4 more medical groups and 2 group practices and clinics, 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.

Hematology and oncology is Dr. Kao's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Kao is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Kao's licenses on file in 2 states: California and Hawaii.

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, lung cancer, lymphoma, multiple myeloma and neutropenia among the conditions Dr. Kao treats.

CMS data shows 78 Medicare services from Dr. Kao across 2 procedure codes in 2024, all of them office visits, for 109 Medicare patients. Medicare paid $5,560 for them.

CMS counts 109 Medicare patients who saw Dr. Kao in 2024. The largest group is 75 to 84, with 48 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 2.01, 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 66, with 77% women.

In 2024, Dr. Kao wrote 348 Medicare Part D claims for 111 patients. 71% of them were for generic drugs. CMS names the drug for 191 of them, across 4 drugs with 11 or more claims each, at $35,921 in total drug cost. In 2023, CMS named 600 claims across 21 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Kao for performance year 2024, reported as part of a group. Dr. Kao accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kao as offering telehealth.

Dmand AI links 3 papers to Dr. Kao in 2007. Dr. Kao's most frequent co-author is Nelson Nan-Hsiung Teng, MD.

CMS Open Payments shows 70 general payments to Dr. Kao from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Pfizer Inc. paid the most, $293.

Dr. Kao graduated from Stanford University School Of Medicine in 1997.

Dr. Kao is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.