Dr. Irmak Karaca, MD

Dr. Karaca practices at Stanford Hospital in Stanford, California.

Dr. Karaca's NPI, 1760101778, was assigned on August 23, 2022. Dr. Karaca graduated from Hacettepe University FOM in 2013. Dr. Karaca holds California license SPI730.

Dr. Karaca's primary practice is Stanford Hospital, at 300 Pasteur Dr, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Dr. Karaca's primary practice is Stanford Hospital in Stanford, California. Dr. Karaca is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Karaca to 1 more medical group, named with a free account.

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

Ophthalmology is Dr. Karaca's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Karaca's licenses on file in 3 states: California, New York and Utah.

CMS data shows 11 Medicare services from Dr. Karaca across 1 procedure code in 2024, for 27 Medicare patients. Medicare paid $186 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 27 Medicare patients who saw Dr. Karaca in 2024. The largest group is 75 to 84, with 15 patients. 70% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 1.51, 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. Karaca's median patient age at 82, with 86% women.

In 2024, Dr. Karaca wrote 496 Medicare Part D claims for 126 patients. 62% of them were for generic drugs. CMS names the drug for 403 of them, across 12 drugs with 11 or more claims each, at $688,120 in total drug cost. In 2023, CMS named 170 claims across 9 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Karaca for performance year 2024, reported as part of a group. Dr. Karaca accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 33 papers to Dr. Karaca, published from 2017 to 2025. 2025 was the busiest year, with 6. The most frequent topics are Visual Acuity, Uveitis and Tomography, Optical Coherence. Dr. Karaca has published most often in Am J Ophthalmol Case Rep. Dr. Karaca's most frequent co-authors are Quan Dong Nguyen, MD, Diana V. Do, MD and Brandon Huy Pham.

CMS Open Payments shows 76 general payments to Dr. Karaca from 11 drug and device companies from 2022 to 2025. Grants make up the largest share, 98% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $126,280.

Dr. Karaca graduated from Hacettepe University FOM in 2013.

Dr. Karaca is in network with 17 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.