Dr. Jimmy Ma, MD

Dr. Ma practices at Harborview Medical Center in Seattle, Washington, part of University of Washington.

Dr. Ma's NPI, 1821470543, was assigned on June 18, 2015. Dr. Ma holds Washington license MD61187310.

Dr. Ma's primary practice is Harborview Medical Center, at 325 9th Avenue, Seattle, WA 98104 in King County. The practice phone is (206) 744-9535.

Dr. Ma's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. The medical group on file is UW Physicians. Dmand AI also links Dr. Ma to 1 more hospital and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ma practices, 2 sites in all. Vendor and product names are available with a free account.

Infectious disease is Dr. Ma's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Ma is licensed in Washington.

CMS data shows 16 Medicare services from Dr. Ma across 1 procedure code in 2024, for 45 Medicare patients. Medicare paid $2,446 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 45 Medicare patients who saw Dr. Ma in 2024. The largest group is under 65, with 24 patients. 67% of them have high blood pressure, and 53% have alcohol and drug use disorders. 69% are also on Medicaid. Their average risk score is 1.96, 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. Ma's median patient age at 46, with 23% women.

In 2024, Dr. Ma wrote 466 Medicare Part D claims for 45 patients. 71% of them were for generic drugs. CMS names the drug for 244 of them, across 13 drugs with 11 or more claims each, at $245,427 in total drug cost. In 2023, CMS named 169 claims across 10 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Ma for performance year 2024, reported through an alternative payment model (APM). Dr. Ma accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 28 papers to Dr. Ma, published from 2015 to 2025. 2024 was the busiest year, with 6. The most frequent topics are HIV Infections, Frailty and Smoking. Dr. Ma has published most often in J Acquir Immune Defic Syndr. Dr. Ma's most frequent co-authors are Mari M. Kitahata, MD, Andrew William Hahn, MD and Edward Rafael Cachay, MD.

CMS Open Payments shows 6 general payments to Dr. Ma from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $136.