Dr. Oliver Jerome Sahagun, MD

Dr. Sahagun practices at Henry Mayo Newhall Hospital in Valencia, California, part of Henry Mayo Newhall Hospital.

Dr. Sahagun's NPI, 1427083344, was assigned on July 11, 2006. Dr. Sahagun graduated from David Geffen School of Medicine at UCLA in 2000. Dr. Sahagun holds California license A77853.

Dr. Sahagun's primary practice is Henry Mayo Newhall Hospital, at 23845 McBean Pkwy, Valencia, CA 91355 in Los Angeles County. The practice phone is (661) 253-8000.

Dr. Sahagun's primary practice is Henry Mayo Newhall Hospital in Valencia, California, part of Henry Mayo Newhall Hospital. The medical group on file is Vituity.

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

Emergency medicine is Dr. Sahagun's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sahagun is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Sahagun is licensed in California.

CMS data shows 591 Medicare services from Dr. Sahagun across 4 procedure codes in 2024, for 447 Medicare patients. Medicare paid $64,338 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 447 Medicare patients who saw Dr. Sahagun in 2024. The largest group is 75 to 84, with 164 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.04, 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. Sahagun's median patient age at 34, with 58% women.

In 2024, Dr. Sahagun wrote 740 Medicare Part D claims for 355 patients. 96% of them were for generic drugs. CMS names the drug for 585 of them, across 15 drugs with 11 or more claims each, at $3,589 in total drug cost. In 2023, CMS named 489 claims across 13 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Sahagun for performance year 2024, reported as part of a group.

CMS Open Payments shows 8 general payments to Dr. Sahagun from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Grifols Shared Services North America, Inc. paid the most, $521.

Dr. Sahagun graduated from David Geffen School of Medicine at UCLA in 2000.

Dr. Sahagun is in network with 2 carriers, including Molina and RI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.