Dr. Ennis Zaitoon, MD

Dr. Zaitoon practices at Riverside Medical Clinic - Temescal Valley in Corona, California.

Dr. Zaitoon's NPI, 1235307141, was assigned on February 13, 2008. Dr. Zaitoon graduated from American University of the Caribbean School of Medicine in 2004. Dr. Zaitoon holds California license C160730.

Dr. Zaitoon's primary practice is Riverside Medical Clinic - Temescal Valley, at 21634 Retreat Pkwy, Corona, CA 92883 in Riverside County. The practice phone is (951) 683-6370.

Dr. Zaitoon's primary practice is Riverside Medical Clinic - Temescal Valley in Corona, California. The medical group on file is Riverside Medical Clinic. Dmand AI also links Dr. Zaitoon to 2 more home health agencies 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. Zaitoon practices, 3 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Zaitoon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zaitoon is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Zaitoon's licenses on file in 6 states: California, Illinois, Indiana, Florida, Michigan and Pennsylvania.

Dmand AI lists acid reflux, acute skin infection, alzheimer's disease, aneurysm, arthritis, asthma, atrial fibrillation and flutter and bipolar disorder among the conditions Dr. Zaitoon treats.

CMS data shows 638 Medicare services from Dr. Zaitoon across 10 procedure codes in 2024, for 151 Medicare patients. Medicare paid $47,069 for them. Every service was in an office.

CMS counts 151 Medicare patients who saw Dr. Zaitoon in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Zaitoon's median patient age at 52, with 50% women.

In 2024, Dr. Zaitoon wrote 4,293 Medicare Part D claims for 382 patients. 84% of them were for generic drugs. CMS names the drug for 3,630 of them, across 85 drugs with 11 or more claims each, at $445,664 in total drug cost. In 2023, CMS named 3,189 claims across 78 drugs.

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

CMS Open Payments shows 294 general payments to Dr. Zaitoon from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 52% of the total. Eli Lilly and Company paid the most, $5,338.

Dmand AI lists 1 award for Dr. Zaitoon, most recently CMS Stage 1 EHR in 2012.

Dr. Zaitoon graduated from American University of the Caribbean School of Medicine in 2004.

Dr. Zaitoon is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.