Dr. Changxing Liu, MD

Dr. Liu practices at Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance.

Dr. Liu's NPI, 1467821009, was assigned on September 24, 2015. Dr. Liu holds Oklahoma license 35961.

Dr. Liu's primary practice is Ascension St. John Medical Center, at 1923 South Utica Avenue, Tulsa, OK 74104 in Tulsa County. The practice phone is (918) 744-2296.

Dr. Liu's primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dr. Liu is also affiliated with Cherokee Nation W. W. Hastings Hospital. The medical group on file is Ascension St. John. Dmand AI also links Dr. Liu to 3 more hospitals, 1 group practice or clinic, 1 home health agency and 1 urgent care center, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 8 sites in all. Vendor and product names are available with a free account.

Otolaryngology is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dmand AI has Dr. Liu's licenses on file in 2 states: Oklahoma and California.

CMS data shows 642 Medicare services from Dr. Liu across 12 procedure codes in 2024, for 358 Medicare patients. Medicare paid $117,538 for them.

CMS counts 358 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 154 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.74, 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. Liu's median patient age at 63, with 46% women.

In 2024, Dr. Liu wrote 600 Medicare Part D claims for 256 patients. 99% of them were for generic drugs. CMS names the drug for 525 of them, across 9 drugs with 11 or more claims each, at $6,116 in total drug cost. In 2023, CMS named 348 claims across 8 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Liu for performance year 2024, reported through an alternative payment model (APM). Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 27 procedures of melanoma (skin cancer) excision by Dr. Liu, more than 79% of the clinicians it reports for that procedure.

Removal of skin lesions: 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)

Skin biopsy: 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 5 papers to Dr. Liu, published from 2016 to 2025. 2016 was the busiest year, with 2. Dr. Liu's most frequent co-authors are Michael S. Charles, MD, Sean William Delaney, MD and Kevin Hur, MD.

CMS Open Payments shows 16 general payments to Dr. Liu from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 48% of the total. Stryker Corporation paid the most, $1,812.