Dr. John M. Itamura, MD

Dr. Itamura practices at Cedars-Sinai Medical Care Foundation in Pasadena, California.

Dr. Itamura's NPI, 1164476719, was assigned on May 19, 2006. Dr. Itamura graduated from Keck School of Medicine of USC in 1989. Dr. Itamura's California license number on file is G69735.

Dr. Itamura's primary practice is Cedars-Sinai Medical Care Foundation, at 301 N Lake Ave, Pasadena, CA 91101 in Los Angeles County. The practice phone is (310) 385-3200.

Dr. Itamura's primary practice is Cedars-Sinai Medical Care Foundation in Pasadena, California. Dr. Itamura is also affiliated with Huntington Hospital. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Dr. Itamura to 4 more hospitals, 3 home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Itamura practices, 9 sites in all. Vendor and product names are available with a free account.

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

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, bursitis, carpal tunnel syndrome, enthesopathy in arms, joint arthropathy, joint cyst and joint or bone infection among the conditions Dr. Itamura treats.

CMS data shows 3,572 Medicare services from Dr. Itamura across 17 procedure codes in 2024, for 918 Medicare patients. Medicare paid $333,169 for them.

CMS counts 918 Medicare patients who saw Dr. Itamura in 2024. The largest group is 65 to 74, with 441 patients. 75% of them have arthritis, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Itamura's median patient age at 71, with 47% women.

In 2024, Dr. Itamura wrote 411 Medicare Part D claims for 205 patients. 98% of them were for generic drugs. CMS names the drug for 298 of them, across 12 drugs with 11 or more claims each, at $4,554 in total drug cost. In 2023, CMS named 246 claims across 10 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Itamura for performance year 2024, reported as part of a group. Dr. Itamura accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Itamura as offering telehealth. CMS counts 14 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Itamura, more than 53% 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)

Dmand AI links 24 papers to Dr. Itamura, published from 2008 to 2023. 2018 was the busiest year, with 2. The most frequent topics are Observer Variation, Radiography and Radius Fractures. Dr. Itamura has published most often in J Orthop Trauma. Dr. Itamura's most frequent co-authors are Rajesh Rangarajan, MD, Suketu B. Vaishnav, MD and Sevag Armand Bastian, MD.

Dmand AI links Dr. Itamura to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Osteoarthritis and Rheumatic Diseases.

CMS Open Payments shows 699 general payments to Dr. Itamura from 59 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 33% of the total. Shoulder Innovations, Inc. paid the most, $304,466. It also lists 4 research payments totaling $5,167 from 2017 to 2018.

Dr. Itamura graduated from Keck School of Medicine of USC in 1989.

Dr. Itamura is in network with 13 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.