Dr. Timothy James Peiris, MD

Dr. Peiris practices at PIH Health Physicians in Whittier, California.

Dr. Peiris' NPI, 1295234276, was assigned on February 6, 2018. Dr. Peiris graduated from Rutgers New Jersey Medical School in 2017. Dr. Peiris' California license number on file is A173295.

Dr. Peiris' primary practice is PIH Health Physicians, at 12522 E Lambert Rd, Whittier, CA 90606 in Los Angeles County. The practice phone is (562) 789-5420.

Dr. Peiris' primary practice is PIH Health Physicians in Whittier, California. Dr. Peiris is also affiliated with PIH Health Whittier Hospital. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Peiris to 1 more 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. Peiris practices, 2 sites in all. Vendor and product names are available with a free account.

Retina specialist is Dr. Peiris' primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Peiris is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Peiris has a license on file in California.

CMS data shows 182 Medicare services from Dr. Peiris across 5 procedure codes in 2024, for 117 Medicare patients. Medicare paid $14,304 for them. Every service was in an office.

CMS counts 117 Medicare patients who saw Dr. Peiris in 2024. The largest group is 65 to 74, with 60 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.52, 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. Peiris' median patient age at 72, with 61% women.

In 2024, Dr. Peiris wrote 1,100 Medicare Part D claims for 349 patients. 61% of them were for generic drugs. CMS names the drug for 991 of them, across 14 drugs with 11 or more claims each, at $53,355 in total drug cost. In 2023, CMS named 279 claims across 10 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Peiris for performance year 2024, reported as part of a group. Dr. Peiris accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 23 procedures of cataract surgery by Dr. Peiris, more than 47% of the clinicians it reports for that procedure.

Dmand AI links 7 papers to Dr. Peiris, published from 2015 to 2020. The most frequent topics are Tomography, Optical Coherence, Fluorescein Angiography and Retina. Dr. Peiris has published most often in Retin Cases Brief Rep. Dr. Peiris' most frequent co-authors are David Sarraf, MD, Jennifer K. Sun, MD and Marwan Abdulaal, MD.

CMS Open Payments shows 10 general payments to Dr. Peiris from 8 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $156.

Dr. Peiris graduated from Rutgers New Jersey Medical School in 2017.

Dr. Peiris is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.