Dr. Matthias Holdhoff, MD

Dr. Holdhoff practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.

Dr. Holdhoff's NPI, 1386709046, was assigned on December 23, 2006. Dr. Holdhoff holds Maryland license D66034.

Dr. Holdhoff's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.

Dr. Holdhoff's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Holdhoff is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Holdhoff to 1 more hospital, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holdhoff practices, 5 sites in all. Vendor and product names are available with a free account.

Medical oncology is Dr. Holdhoff's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Holdhoff is licensed in Maryland.

CMS data shows 447 Medicare services from Dr. Holdhoff across 6 procedure codes in 2024, for 128 Medicare patients. Medicare paid $33,699 for them.

CMS counts 128 Medicare patients who saw Dr. Holdhoff in 2024. The largest group is 65 to 74, with 67 patients. 71% of them have high cholesterol, and 69% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.94, 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. Holdhoff's median patient age at 67, with 38% women.

In 2024, Dr. Holdhoff wrote 248 Medicare Part D claims for 44 patients. 97% of them were for generic drugs. CMS names the drug for 155 of them, across 7 drugs with 11 or more claims each, at $89,853 in total drug cost. In 2023, CMS named 230 claims across 8 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Holdhoff for performance year 2024, reported as part of a group. CMS lists Dr. Holdhoff as offering telehealth.

CMS Open Payments shows 20 general payments to Dr. Holdhoff from 11 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 84% of the total. Celgene Corporation paid the most, $6,655. It also lists 13 research payments totaling $35,501 from 2017 to 2023.