Dr. Nathan Rojek, MD

Dr. Rojek practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Rojek's NPI, 1811315583, was assigned on March 31, 2014. Dr. Rojek's California license number on file is A154167.

Dr. Rojek's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

Dr. Rojek's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Health Dermatology Services.

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

Dermatology is Dr. Rojek's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Rojek is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Rojek's licenses on file in 3 states: California, Oregon and District of Columbia.

Dmand AI lists acne, benign or precancerous skin growths, contact dermatitis, itchy rashes, psoriasis, rash, scalp rash and skin cyst among the conditions Dr. Rojek treats.

CMS data shows 658 Medicare services from Dr. Rojek across 11 procedure codes in 2024, for 243 Medicare patients. Medicare paid $40,228 for them.

CMS counts 243 Medicare patients who saw Dr. Rojek in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 41% are also on Medicaid. Their average risk score is 1.73, 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. Rojek's median patient age at 50, with 53% women.

In 2024, Dr. Rojek wrote 548 Medicare Part D claims for 104 patients. 78% of them were for generic drugs. CMS names the drug for 396 of them, across 14 drugs with 11 or more claims each, at $444,706 in total drug cost. In 2023, CMS named 381 claims across 17 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Rojek for performance year 2024, reported through an alternative payment model (APM). Dr. Rojek accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 115 procedures of removal of skin lesions by Dr. Rojek, more than 76% of the clinicians it reports for that procedure.

Dmand AI links 35 papers to Dr. Rojek, published from 2019 to 2025. 2021 was the busiest year, with 10. The most frequent topics are Stevens-Johnson Syndrome, COVID-19 and Dermatology. Dr. Rojek has published most often in JAAD Case Rep. Dr. Rojek's most frequent co-authors are Linda Thuy Anh Doan, MD, Bonnie Anne Lee, MD and Allison Sophia Dobry.

CMS Open Payments shows 20 general payments to Dr. Rojek from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 84% of the total. Novartis Pharmaceuticals Corporation paid the most, $9,102.

Dmand AI lists 2 awards for Dr. Rojek, most recently Gold Humanism Honor Society in 2014.

Dr. Rojek is in network with 13 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.