Dr. Iris M. Otani, MD

Dr. Otani practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Otani's NPI, 1285925990, was assigned on April 28, 2011. Dr. Otani graduated from UC San Diego School of Medicine in 2010. Dr. Otani holds California license A122680.

Dr. Otani's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Dr. Otani's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Otani to 4 more group practices and clinics and 4 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Otani practices, 5 sites in all. Vendor and product names are available with a free account.

Allergy and immunology is Dr. Otani's primary specialty in the NPI Registry, under taxonomy code 207RA0201X. Dr. Otani is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Otani's licenses on file in 2 states: California and Massachusetts.

Dmand AI lists asthma, contact dermatitis, gastroenteritis, hives, immune deficiency disease, itchy rashes and rash among the conditions Dr. Otani treats.

CMS data shows 1,022 Medicare services from Dr. Otani across 9 procedure codes in 2024, for 142 Medicare patients. Medicare paid $20,902 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 142 Medicare patients who saw Dr. Otani in 2024. The largest group is 65 to 74, with 58 patients. 70% of them have high cholesterol, and 68% have high blood pressure. 29% are also on Medicaid. Their average risk score is 2.28, 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. Otani's median patient age at 47, with 62% women.

In 2024, Dr. Otani wrote 120 Medicare Part D claims for 35 patients. 58% of them were for generic drugs. CMS names the drug for 33 of them, across 2 drugs with 11 or more claims each, at $1,134 in total drug cost. In 2023, CMS named 54 claims across 4 drugs.

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

Dmand AI links 61 papers to Dr. Otani, published from 2011 to 2025. 2016 was the busiest year, with 6. The most frequent topics are Drug Hypersensitivity, Anti-Bacterial Agents and Desensitization, Immunologic. Dr. Otani has published most often in J Allergy Clin Immunol Pract. Dr. Otani's most frequent co-authors are Aleena Banerji, MD, Lulu Rebecca Tsao and Elizabeth Jane Phillips, MD.

CMS Open Payments shows 41 general payments to Dr. Otani from 13 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 54% of the total. Grifols Shared Services North America, Inc. paid the most, $6,050.

Dr. Otani graduated from UC San Diego School of Medicine in 2010.

Dr. Otani is in network with 8 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.