Dr. Jonathan Chang, MD

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

Dr. Chang's NPI, 1104824556, was assigned on July 11, 2005. Dr. Chang graduated from Duke University School Of Medicine in 1984. Dr. Chang holds California license G69039.

Dr. Chang'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. Chang's primary practice is Alhambra Surgery Center, LLC in Alhambra, California. Dr. Chang is also affiliated with Garfield Medical Center. The medical group on file is Pacific Orthopaedic Associates. Dmand AI also links Dr. Chang to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.

Orthopaedic surgery is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Chang is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Chang's licenses on file in 3 states: California, Kentucky and Virginia.

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, enthesopathy in arms, hand joint or tendon inflammation, joint cyst, joint pain and knee arthroscopy among the conditions Dr. Chang treats.

CMS data shows 6,647 Medicare services from Dr. Chang across 25 procedure codes in 2024, for 664 Medicare patients. Medicare paid $156,057 for them. Every service was in an office.

CMS counts 664 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 321 patients. 75% of them have arthritis, and 75% have high blood pressure. 83% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 67, with 64% women.

In 2024, Dr. Chang wrote 1,004 Medicare Part D claims for 422 patients. 99% of them were for generic drugs. CMS names the drug for 968 of them, across 8 drugs with 11 or more claims each, at $17,004 in total drug cost. In 2023, CMS named 679 claims across 7 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Chang for performance year 2024, reported individually. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 10 papers to Dr. Chang, published from 2010 to 2025. 2023 was the busiest year, with 2. The most frequent topics are Amyotrophic Lateral Sclerosis, Disease Models, Animal and Motor Neurons. Dr. Chang's most frequent co-authors are Judy Chang, Charles Cho, MD and Jeffrey Rosenfeld, MD.

CMS Open Payments shows 220 general payments to Dr. Chang from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 65% of the total. Advanced Orthopaedic Solutions, Inc. paid the most, $5,451.

Dr. Chang graduated from Duke University School Of Medicine in 1984.

Dr. Chang is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.