Dr. Nathan Byoungjun Han, MD

Dr. Han practices at Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian.

Dr. Han's NPI, 1417484569, was assigned on May 20, 2017. Dr. Han graduated from New York University School of Medicine in 2017. Dr. Han holds California license A194591.

Dr. Han's primary practice is Hoag Hospital Newport Beach, at One Hoag Drive, Newport Beach, CA 92663 in Orange County. The practice phone is (949) 764-4624. Dr. Han also practices at Hoag Hospital Newport Beach, 1 Hoag Dr, Newport Beach, CA 92663.

Dr. Han's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. The medical group on file is Hoag Clinic. Dmand AI also links Dr. Han to 2 more medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Han practices, 3 sites in all. Vendor and product names are available with a free account.

Neurological surgery is Dr. Han's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Han is licensed in California.

CMS data shows 208 Medicare services from Dr. Han across 8 procedure codes in 2024, for 109 Medicare patients. Medicare paid $15,333 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 109 Medicare patients who saw Dr. Han in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have arthritis, and 75% have high cholesterol. 32% 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. Han's median patient age at 71, with 55% women.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Han for performance year 2024, reported as part of a group. Dr. Han accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Han as offering telehealth. CMS counts 168 procedures of spinal fusion by Dr. Han, more than 86% of the clinicians it reports for that procedure.

Dmand AI links 7 papers to Dr. Han, published from 2021 to 2025. 2022 was the busiest year, with 2. The most frequent topics are Osteotomy and Spinal Fusion. Dr. Han has published most often in World Neurosurg. Dr. Han's most frequent co-authors are Charles A. Sansur, MD, Timothy Chryssikos, MD and Gary Thomas Schwartzbauer, MD.

CMS Open Payments shows 69 general payments to Dr. Han from 10 drug and device companies from 2024 to 2025. Travel and lodging make up the largest share, 54% of the total. Medtronic, Inc. paid the most, $3,438.

Dmand AI lists 2 awards for Dr. Han, most recently First place ePoster in Pediatrics in 2015.

Dr. Han graduated from New York University School of Medicine in 2017. Dr. Han is a member of Phi Beta Kappa and Tau Beta Pi.

Dr. Han is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.