Dr. Benjamin C. Tam, MD

Dr. Tam practices at Alhambra Surgery Center, LLC in Alhambra, California.

Dr. Tam's NPI, 1306843255, was assigned on July 7, 2005. Dr. Tam graduated from New York University School of Medicine in 1992. Dr. Tam holds California license G77807.

Dr. Tam's primary practice is Alhambra Surgery Center, LLC, at 707 S Garfield Ave, Alhambra, CA 91801 in Los Angeles County. The practice phone is (626) 656-1285.

Dr. Tam's primary practice is Alhambra Surgery Center, LLC in Alhambra, California. Dr. Tam is also affiliated with USC Arcadia Hospital. The medical group on file is Pacific Orthopaedic Associates. Dmand AI also links Dr. Tam to 2 more hospitals, 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. Tam practices, 5 sites in all. Vendor and product names are available with a free account.

Orthopaedic surgery is Dr. Tam's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Tam is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Tam is licensed in California.

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, chest wall injury, hip replacement and joint arthropathy among the conditions Dr. Tam treats.

CMS data shows 13,644 Medicare services from Dr. Tam across 27 procedure codes in 2024, for 879 Medicare patients. Medicare paid $240,545 for them.

CMS counts 879 Medicare patients who saw Dr. Tam in 2024. The largest group is 65 to 74, with 414 patients. 75% of them have arthritis, and 75% have high blood pressure. 81% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tam's median patient age at 68, with 64% women.

In 2024, Dr. Tam wrote 1,172 Medicare Part D claims for 367 patients. 97% of them were for generic drugs. CMS names the drug for 1,117 of them, across 12 drugs with 11 or more claims each, at $28,339 in total drug cost. In 2023, CMS named 763 claims across 12 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Tam for performance year 2024, reported individually. Dr. Tam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 21 procedures of knee replacement by Dr. Tam, more than 54% of the clinicians it reports for that procedure.

Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)

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

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

Dmand AI links 3 papers to Dr. Tam in 2023. 2023 was the busiest year, with 3. Dr. Tam's most frequent co-authors are Kevin Hur, MD, Chun Lam, MD and Ruben Ulloa.

CMS Open Payments shows 214 general payments to Dr. Tam from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 73% of the total. Zimmer Biomet Holdings, Inc. paid the most, $3,375.

Dmand AI lists 1 award for Dr. Tam, most recently CMS Stage 1 EHR in 2011.

Dr. Tam graduated from New York University School of Medicine in 1992.

Dr. Tam is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.