Dr. Michael Uy Yap, MD

Dr. Yap practices at DaVita Mainplace Dialysis Center in Orange, California.

Dr. Yap's NPI, 1588847362, was assigned on December 14, 2007. Dr. Yap graduated from American University of the Caribbean School of Medicine in 2007. Dr. Yap's California license number on file is A110518.

Dr. Yap's primary practice is DaVita Mainplace Dialysis Center, at 146 S Main St, Orange, CA 92868 in Orange County. The practice phone is (714) 836-0155.

Dr. Yap's primary practice is DaVita Mainplace Dialysis Center in Orange, California. Dr. Yap is also affiliated with UCI Health - Orange. Dmand AI also links Dr. Yap to 1 more hospital and 1 physician office, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yap practices, 4 sites in all. Vendor and product names are available with a free account.

Nephrology is Dr. Yap's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Yap is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Yap's licenses on file in 2 states: California and Florida.

Dmand AI lists acute kidney failure, chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Yap treats.

CMS data shows 1,282 Medicare services from Dr. Yap across 6 procedure codes in 2024, for 178 Medicare patients. Medicare paid $135,131 for them.

CMS counts 178 Medicare patients who saw Dr. Yap in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 62% are also on Medicaid. Their average risk score is 4.89, 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. Yap's median patient age at 67, with 45% women.

In 2024, Dr. Yap wrote 425 Medicare Part D claims for 79 patients. 77% of them were for generic drugs. CMS names the drug for 259 of them, across 12 drugs with 11 or more claims each, at $248,085 in total drug cost. In 2023, CMS named 570 claims across 18 drugs.

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

Dmand AI links 1 paper to Dr. Yap. Dr. Yap's most frequent co-authors are Jorge Antonio Lamarche, MD and Alfredo M. Peguero, MD.

Dmand AI links Dr. Yap to 1 clinical trial. Conditions studied include Diabetic Nephropathies and Diabetes Complications.

CMS Open Payments shows 139 general payments to Dr. Yap from 24 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 85% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $907.

Dr. Yap graduated from American University of the Caribbean School of Medicine in 2007.

Dr. Yap is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.