Dr. Tzu-Shang Thomas Liu, MD, PhD

Dr. Liu practices at Barstow Primary Care Clinic in Apple Valley, California.

Dr. Liu's NPI, 1922201318, was assigned on June 6, 2007. Dr. Liu graduated from Perelman School of Medicine - Philadelphia in 2003. Dr. Liu holds California license A112382.

Dr. Liu's primary practice is Barstow Primary Care Clinic, at 16124 Kasota Rd, Apple Valley, CA 92307 in San Bernardino County. The practice phone is (760) 256-7161.

Dr. Liu's primary practice is Barstow Primary Care Clinic in Apple Valley, California. Dr. Liu is also affiliated with Providence St. Mary Medical Center. The medical group on file is Barstow Health Partners. Dmand AI also links Dr. Liu to 2 more hospitals, 2 group practices and clinics, 2 home health agencies and 1 medical group, each named with a free account.

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

Orthopaedic surgery is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Liu is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Liu's licenses on file in 2 states: California and Pennsylvania.

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, enthesopathy in arms, fluid in a joint and hand joint or tendon inflammation among the conditions Dr. Liu treats.

CMS data shows 2,797 Medicare services from Dr. Liu across 11 procedure codes in 2024, for 208 Medicare patients. Medicare paid $103,089 for them. Every service was in an office.

CMS counts 208 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have arthritis, and 75% have high blood pressure. 31% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 64, with 58% women.

In 2024, Dr. Liu wrote 214 Medicare Part D claims for 76 patients. 100% of them were for generic drugs. CMS names the drug for 165 of them, across 5 drugs with 11 or more claims each, at $1,088 in total drug cost. In 2023, CMS named 237 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Liu for performance year 2024, reported individually. Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 43 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Liu, more than 83% of the clinicians it reports for that procedure.

Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 6 papers to Dr. Liu in 2021. The most frequent topics are Encephalomyelitis, Autoimmune, Experimental, Cell Differentiation and Cells, Cultured. Dr. Liu has published most often in J Immunol. Dr. Liu's most frequent co-authors are Anirban Basu, MD and Anjuli Basu, MD.

CMS Open Payments shows 193 general payments to Dr. Liu from 21 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 44% of the total. Stryker Corporation paid the most, $5,478.

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

Dr. Liu graduated from Perelman School of Medicine - Philadelphia in 2003.

Dr. Liu is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.