Dr. Garrick W. Chak, MD

Dr. Chak practices at West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.

Dr. Chak's NPI, 1497047526, was assigned on May 9, 2011. Dr. Chak graduated from University of Rochester Medical Center in 2010. Dr. Chak holds California license A118847.

Dr. Chak's primary practice is West Los Angeles Medical Center, at 6041 Cadillac Ave, Los Angeles, CA 90034 in Los Angeles County. The practice phone is (213) 857-2201.

Dr. Chak's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Chak to 1 more dialysis center and 1 medical group, each named with a free account.

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

Ophthalmology is Dr. Chak's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chak is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chak's licenses on file in 3 states: California, Hawaii and North Carolina.

Dmand AI lists cataract, glaucoma and secondary membranaous cataract surgery among the conditions Dr. Chak treats.

CMS data shows 29 Medicare services from Dr. Chak across 2 procedure codes in 2024, for 36 Medicare patients. Medicare paid $1,973 for them. Every service was in an office.

CMS counts 36 Medicare patients who saw Dr. Chak in 2024. The largest group is 65 to 74, with 15 patients. 67% of them have high cholesterol, and 64% have high blood pressure. 39% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chak's median patient age at 73, with 59% women.

In 2024, Dr. Chak wrote 6,464 Medicare Part D claims for 1,417 patients. 82% of them were for generic drugs. CMS names the drug for 6,389 of them, across 26 drugs with 11 or more claims each, at $252,357 in total drug cost. In 2023, CMS named 5,999 claims across 27 drugs.

Dr. Chak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 19 papers to Dr. Chak, published from 2010 to 2014. 2012 was the busiest year, with 3. The most frequent topics are Cornea, Refractive Errors and Visual Acuity. Dr. Chak has published most often in Ophthalmic Plast Reconstr Surg. Dr. Chak's most frequent co-authors are David S. Boyer, MD, Jeffrey M. Joseph, MD and Jeremiah P. Tao, MD.

CMS Open Payments shows 15 general payments to Dr. Chak from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Glaukos Corporation paid the most, $194.

Dmand AI lists 5 awards for Dr. Chak, most recently Heed Fellow in 2014.

Dr. Chak graduated from University of Rochester Medical Center in 2010. Dr. Chak is a member of AAO, American Board of Ophthalmology, American Glaucoma Society, Chandler-Grant Glaucoma Society and Heed Ophthalmic Foundation.

Dr. Chak is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.