Dr. Haiyan Zhang, MD

Dr. Zhang practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Zhang's NPI, 1457617110, was assigned on April 6, 2012. Dr. Zhang graduated from Weill Cornell Medicine in 2018. Dr. Zhang holds California license A133801.

Dr. Zhang's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

Dr. Zhang's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Zhang is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.

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

Anatomic pathology and clinical pathology is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Zhang is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology. Dmand AI has Dr. Zhang's licenses on file in 2 states: California and Texas.

CMS data shows 2,327 Medicare services from Dr. Zhang across 17 procedure codes in 2024, for 619 Medicare patients. Medicare paid $73,411 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 619 Medicare patients who saw Dr. Zhang in 2024. The largest group is 65 to 74, with 299 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 26% are also on Medicaid. Their average risk score is 1.91, 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 60, with 43% women.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Zhang for performance year 2024, reported as part of a group. Dr. Zhang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 12 papers to Dr. Zhang, published from 2009 to 2025. The most frequent topics are Lung Neoplasms and Tumor Suppressor Protein p53. Dr. Zhang's most frequent co-authors are Salman Azhar, MD, Fredric B. Kraemer, MD and Marjan Afrouzian, MD.

CMS Open Payments shows 4 general payments to Dr. Zhang from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Phathom Pharmaceuticals, Inc. paid the most, $125.

Dr. Zhang graduated from Weill Cornell Medicine in 2018.

Dr. Zhang is in network with 15 carriers, including United Healthcare, Aetna and Alliant Health Plans. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.