Dr. Hao Wei Zhang, MD

Dr. Zhang practices at Toi Alhambra in Alhambra, California.

Dr. Zhang's NPI, 1558462424, was assigned on September 25, 2006. Dr. Zhang graduated from Hunan Medical University in 1992. Dr. Zhang's California license number on file is A72878.

Dr. Zhang's primary practice is Toi Alhambra, at 1411 S Garfield Ave, Alhambra, CA 91801 in Los Angeles County. The practice phone is (310) 809-0199.

Dr. Zhang's primary practice is Toi Alhambra in Alhambra, California. Dr. Zhang is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is The Oncology Institute of Hope and Innovation. Dmand AI also links Dr. Zhang to 4 more hospitals, 2 group practices and clinics, 1 hospice and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang practices, 8 sites in all. Vendor and product names are available with a free account.

Hematology and oncology is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Zhang is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Zhang's licenses on file in 3 states: California, New Jersey and New York.

Dmand AI lists breast cancer, chronic anemia, chronic embolism thrombosis, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), lung cancer and lymphoma among the conditions Dr. Zhang treats.

CMS data shows 3,762 Medicare services from Dr. Zhang across 13 procedure codes in 2024, for 266 Medicare patients. Medicare paid $196,999 for them.

CMS counts 266 Medicare patients who saw Dr. Zhang in 2024. The largest group is 65 to 74, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 89% are also on Medicaid. Their average risk score is 3.72, 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. Zhang's median patient age at 66, with 65% women.

In 2024, Dr. Zhang wrote 1,196 Medicare Part D claims for 178 patients. 66% of them were for generic drugs. CMS names the drug for 977 of them, across 30 drugs with 11 or more claims each, at $2,755,477 in total drug cost. In 2023, CMS named 844 claims across 28 drugs.

Dr. Zhang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zhang as offering telehealth.

CMS Open Payments shows 2,027 general payments to Dr. Zhang from 105 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 87% of the total. Novartis Pharmaceuticals Corporation paid the most, $5,785.

Dr. Zhang graduated from Hunan Medical University in 1992.

Dr. Zhang is in network with 13 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.