Dr. Ahmad Abou Abbass, MD

Dr. Abou Abbass practices at Mission Hospital - Unit in Mission Viejo, California.

Dr. Abou Abbass' NPI, 1790946895, was assigned on June 20, 2008. Dr. Abou Abbass graduated from American University of Beirut Faculty of Medicine in 2002. Dr. Abou Abbass holds California license A152200.

Dr. Abou Abbass' primary practice is Mission Hospital - Unit, at 27700 Medical Center Rd, Mission Viejo, CA 92691 in Orange County. The practice phone is (949) 365-2447.

Dr. Abou Abbass' primary practice is Mission Hospital - Unit in Mission Viejo, California. Dr. Abou Abbass is also affiliated with Providence Mission Hospital. The medical group on file is OC Surgeons (South Orange County Surgical). Dmand AI also links Dr. Abou Abbass to 1 more hospital, 4 medical groups, 2 group practices and clinics, 1 other site and 1 ambulatory surgery center, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Abou Abbass practices, 7 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Abou Abbass' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Abou Abbass is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Abou Abbass' licenses on file in 3 states: California, Michigan and Arizona.

Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, appendectomy, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal and groin hernia surgery among the conditions Dr. Abou Abbass treats.

CMS data shows 317 Medicare services from Dr. Abou Abbass across 11 procedure codes in 2024, for 207 Medicare patients. Medicare paid $45,507 for them.

CMS counts 207 Medicare patients who saw Dr. Abou Abbass in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Abou Abbass' median patient age at 68, with 48% women.

In 2024, Dr. Abou Abbass wrote 30 Medicare Part D claims for 16 patients. 47% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $12,322 in total drug cost. In 2023, CMS named 19 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Abou Abbass for performance year 2024, reported as part of a group. Dr. Abou Abbass accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Abou Abbass as offering telehealth. CMS counts 15 procedures of hernia repair (minimally invasive) by Dr. Abou Abbass, more than 81% of the clinicians it reports for that procedure.

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

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 1 paper to Dr. Abou Abbass.

CMS Open Payments shows 629 general payments to Dr. Abou Abbass from 25 drug and device companies from 2016 to 2025. Education make up the largest share, 81% of the total. Intuitive Surgical, Inc. paid the most, $544,691.

Dr. Abou Abbass graduated from American University of Beirut Faculty of Medicine in 2002.

Dr. Abou Abbass is in network with 17 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.