Dr. Stephen John Ierardi, MD

Dr. Ierardi practices at Odyssey ASC Endoscopy Center in Irvine, California.

Dr. Ierardi's NPI, 1548308836, was assigned on February 1, 2007. Dr. Ierardi graduated from University of Rochester Medical Center in 1986. Dr. Ierardi holds California license G63246.

Dr. Ierardi's primary practice is Odyssey ASC Endoscopy Center, at 22 Odyssey, Suite 175, Irvine, CA 92618. The practice phone is (949) 654-8963.

Dr. Ierardi's primary practice is Odyssey ASC Endoscopy Center in Irvine, California. Dr. Ierardi is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is SCKE Health. Dmand AI also links Dr. Ierardi to 1 more physician office and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ierardi practices, 4 sites in all. Vendor and product names are available with a free account.

Family medicine is Dr. Ierardi's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ierardi is board certified in family medicine by the American Board of Family Medicine. Dr. Ierardi is licensed in California.

Dmand AI lists acid reflux, acute gastroduodenitis, acute sinusitis, acute skin infection, adjustment disease, alcohol use disorders, aneurysm and anxiety among the conditions Dr. Ierardi treats.

CMS data shows 4,149 Medicare services from Dr. Ierardi across 39 procedure codes in 2024, for 218 Medicare patients. Medicare paid $134,042 for them. Every service was in an office.

CMS counts 218 Medicare patients who saw Dr. Ierardi in 2024. The largest group is 65 to 74, with 103 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ierardi's median patient age at 65, with 40% women.

In 2024, Dr. Ierardi wrote 1,870 Medicare Part D claims for 230 patients. 93% of them were for generic drugs. CMS names the drug for 1,422 of them, across 51 drugs with 11 or more claims each, at $71,203 in total drug cost. In 2023, CMS named 1,122 claims across 46 drugs.

Dr. Ierardi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ierardi as offering telehealth.

CMS Open Payments shows 697 general payments to Dr. Ierardi from 64 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $3,073.

Dr. Ierardi graduated from University of Rochester Medical Center in 1986.

Dr. Ierardi is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.