Dr. Nader A. Nassif, MD

Dr. Nassif practices at Donald I. Altman MD in Irvine, California.

Dr. Nassif's NPI, 1629262183, was assigned on August 28, 2007. Dr. Nassif graduated from Harvard Medical School in 2006. Dr. Nassif holds California license A125009.

Dr. Nassif's primary practice is Donald I. Altman MD, at 16300 Sand Canyon Ave, Irvine, CA 92618 in Orange County. The practice phone is (949) 727-3999.

Dr. Nassif's primary practice is Donald I. Altman MD in Irvine, California. Dr. Nassif is also affiliated with Hoag Orthopedic Institute. The medical group on file is Newport Orthopedic Institute. Dmand AI also links Dr. Nassif to 1 more hospital, 3 home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account.

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

Adult reconstructive orthopaedic surgery is Dr. Nassif's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Dr. Nassif is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Nassif's licenses on file in 3 states: California, New York and Missouri.

Dmand AI lists arthritis, bursitis, fluid in a joint, hip replacement, joint pain, knee injury, knee replacement and lower back pain among the conditions Dr. Nassif treats.

CMS data shows 5,567 Medicare services from Dr. Nassif across 21 procedure codes in 2024, for 1,109 Medicare patients. Medicare paid $464,177 for them.

CMS counts 1,109 Medicare patients who saw Dr. Nassif in 2024. The largest group is 65 to 74, with 534 patients. 75% of them have arthritis, and 75% have high cholesterol. 2% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nassif's median patient age at 73, with 59% women.

In 2024, Dr. Nassif wrote 649 Medicare Part D claims for 380 patients. 100% of them were for generic drugs. CMS names the drug for 613 of them, across 9 drugs with 11 or more claims each, at $2,782 in total drug cost. In 2023, CMS named 1,141 claims across 9 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Nassif for performance year 2024, reported as part of a group. Dr. Nassif accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 162 procedures of hip replacement by Dr. Nassif, more than 99% of the clinicians it reports for that procedure.

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

Dmand AI links 55 papers to Dr. Nassif, published from 2009 to 2024. 2015 was the busiest year, with 5. The most frequent topics are Arthroplasty, Replacement, Hip, Reoperation and Arthroplasty, Replacement, Knee. Dr. Nassif has published most often in J Arthroplasty. Dr. Nassif's most frequent co-authors are Steven L. Barnett, MD, Jay J. Patel, MD and Robert S. Gorab, MD.

Dmand AI links Dr. Nassif to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Osteoarthritis, Hip and Bronchiolitis Obliterans Syndrome.

CMS Open Payments shows 358 general payments to Dr. Nassif from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 62% of the total. DePuy Synthes Sales Inc. paid the most, $325,138.

Dmand AI lists 1 award for Dr. Nassif, most recently CMS Stage 1 EHR in 2013.

Dr. Nassif graduated from Harvard Medical School in 2006.

Dr. Nassif is in network with 15 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.