Dr. Ahmed M. Abou-Zamzam, MD

Dr. Abou-Zamzam practices at Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD in Loma Linda, California.

Dr. Abou-Zamzam's NPI, 1558306795, was assigned on June 19, 2006. Dr. Abou-Zamzam graduated from Yale School of Medicine in 1992. Dr. Abou-Zamzam's California license number on file is G85695.

Dr. Abou-Zamzam's primary practice is Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD, at 11370 Anderson St, Loma Linda, CA 92354.

Dr. Abou-Zamzam's primary practice is Loma Linda University Medical Cente - Center for Restorative Neurology - HOPD in Loma Linda, California. Dr. Abou-Zamzam is also affiliated with Loma Linda University Medical Center. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Abou-Zamzam to 1 more hospital, 1 group practice or clinic, 1 hospital outpatient department and 1 medical group, each named with a free account. Dr. Abou-Zamzam's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Abou-Zamzam practices, 5 sites in all. Vendor and product names are available with a free account.

Vascular surgery is Dr. Abou-Zamzam's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Abou-Zamzam is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Abou-Zamzam's licenses on file in 2 states: California and Oregon.

Dmand AI lists amputation, aortic atherosclerois, blood vessel access for dialysis, carotid revascularization, chronic skin ulcer, circulatory problems in extremities, deep vein thrombosis (DVT) and heart device and aorta surgery among the conditions Dr. Abou-Zamzam treats.

CMS data shows 1,076 Medicare services from Dr. Abou-Zamzam across 15 procedure codes in 2024, for 700 Medicare patients. Medicare paid $51,932 for them.

CMS counts 700 Medicare patients who saw Dr. Abou-Zamzam in 2024. The largest group is 65 to 74, with 285 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 3.02, 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. Abou-Zamzam's median patient age at 68, with 43% women.

In 2024, Dr. Abou-Zamzam wrote 253 Medicare Part D claims for 90 patients. 89% of them were for generic drugs. CMS names the drug for 147 of them, across 4 drugs with 11 or more claims each, at $21,310 in total drug cost. In 2023, CMS named 101 claims across 5 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Abou-Zamzam for performance year 2024, reported as part of a group. Dr. Abou-Zamzam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Abou-Zamzam as offering telehealth. CMS counts 11 procedures of spinal fusion by Dr. Abou-Zamzam, more than 27% of the clinicians it reports for that procedure.

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

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 71 papers to Dr. Abou-Zamzam, published from 2002 to 2025. 2016 was the busiest year, with 5. The most frequent topics are Blood Vessel Prosthesis Implantation, Ischemia and Vascular Surgical Procedures. Dr. Abou-Zamzam has published most often in Ann Vasc Surg. Dr. Abou-Zamzam's most frequent co-authors are Theodore H. Teruya, MD, Christian Bianchi and Jeffrey Lawrence Ballard, MD.

Dmand AI links Dr. Abou-Zamzam to 1 clinical trial. Conditions studied include Gangrene and Chronic Limb-Threatening Ischemia.

CMS Open Payments shows 180 general payments to Dr. Abou-Zamzam from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. W. L. Gore & Associates, Inc. paid the most, $4,503.

Dmand AI lists 2 awards for Dr. Abou-Zamzam, most recently CMS Stage 1 EHR in 2013.

Dr. Abou-Zamzam graduated from Yale School of Medicine in 1992. Dr. Abou-Zamzam is a member of ACS.

Dr. Abou-Zamzam is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.