Dr. Michael P. Del Rosario, MD

Dr. Del Rosario practices at The Oncology Institute - Downey Radiation Oncology in Cerritos, California.

Dr. Del Rosario's NPI, 1891164307, was assigned on September 15, 2015. Dr. Del Rosario graduated from St. George's University School of Medicine in 2015. Dr. Del Rosario's California license number on file is A151675.

Dr. Del Rosario's primary practice is The Oncology Institute - Downey Radiation Oncology, at 18000 Studebaker Rd, Cerritos, CA 90703 in Los Angeles County. The practice phone is (310) 945-8112.

Dr. Del Rosario's primary practice is The Oncology Institute - Downey Radiation Oncology in Cerritos, California. Dr. Del Rosario is also affiliated with UCI Health - Orange. The medical group on file is The Oncology Institute of Hope and Innovation. Dmand AI also links Dr. Del Rosario 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. Del Rosario practices, 8 sites in all. Vendor and product names are available with a free account.

Hematology and oncology is Dr. Del Rosario's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Del Rosario is board certified in hematology by the American Board of Internal Medicine. Dr. Del Rosario has a license on file in California.

Dmand AI lists chronic anemia, fluid and electrolyte imbalances, pulmonary heart disease and rheumatoid arthritis among the conditions Dr. Del Rosario treats.

CMS data shows 1,102 Medicare services from Dr. Del Rosario across 11 procedure codes in 2024, for 152 Medicare patients. Medicare paid $28,645 for them. Every service was in an office.

CMS counts 152 Medicare patients who saw Dr. Del Rosario in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 81% are also on Medicaid. Their average risk score is 2.24, 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. Del Rosario's median patient age at 62, with 64% women.

In 2024, Dr. Del Rosario wrote 385 Medicare Part D claims for 150 patients. 68% of them were for generic drugs. CMS names the drug for 162 of them, across 6 drugs with 11 or more claims each, at $243,043 in total drug cost. In 2023, CMS named 1,626 claims across 46 drugs.

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

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 15 papers to Dr. Del Rosario, published from 2016 to 2023. 2017 was the busiest year, with 2. The most frequent topics are Antineoplastic Agents, Adenocarcinoma and Antimetabolites, Antineoplastic. Dr. Del Rosario has published most often in Conn Med. Dr. Del Rosario's most frequent co-authors are Constantin Dasanu, MD, PhD, Henry K. Tsai, MD and Henry Tsai, MD.

CMS Open Payments shows 631 general payments to Dr. Del Rosario from 71 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Merck Sharp & Dohme Corporation paid the most, $1,100.

Dr. Del Rosario graduated from St. George's University School of Medicine in 2015.

Dr. Del Rosario is in network with 14 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.