Dr. Amy Haruko Matayoshi, MD

Dr. Matayoshi practices at Balboa Nephrology Medical Group, Inc. in Oceanside, California.

Dr. Matayoshi's NPI, 1417921982, was assigned on February 14, 2006. Dr. Matayoshi graduated from John A. Burns School of Medicine in 1995. Dr. Matayoshi holds California license A60790.

Dr. Matayoshi's primary practice is Balboa Nephrology Medical Group, Inc., at 3300 Vista Way, Oceanside, CA 92056 in San Diego County. The practice phone is (858) 810-8000.

Dr. Matayoshi's primary practice is Balboa Nephrology Medical Group, Inc. in Oceanside, California. Dr. Matayoshi is also affiliated with Sharp Tri-City Medical Center. The medical group on file is Balboa Nephrology. Dmand AI also links Dr. Matayoshi to 2 more dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.

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

Nephrology is Dr. Matayoshi's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Matayoshi is board certified in nephrology by the American Board of Internal Medicine. Dr. Matayoshi is licensed in California.

Dmand AI lists chronic anemia, chronic kidney disease, fluid and electrolyte imbalances, kidney cysts and parathyroid gland disorder among the conditions Dr. Matayoshi treats.

CMS data shows 1,699 Medicare services from Dr. Matayoshi across 10 procedure codes in 2024, for 261 Medicare patients. Medicare paid $210,024 for them.

CMS counts 261 Medicare patients who saw Dr. Matayoshi in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 36% are also on Medicaid. Their average risk score is 4.87, 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. Matayoshi's median patient age at 71, with 51% women.

In 2024, Dr. Matayoshi wrote 2,574 Medicare Part D claims for 258 patients. 89% of them were for generic drugs. CMS names the drug for 2,214 of them, across 47 drugs with 11 or more claims each, at $399,006 in total drug cost. In 2023, CMS named 2,337 claims across 52 drugs.

Dr. Matayoshi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Matayoshi as offering telehealth.

Dmand AI links 3 papers to Dr. Matayoshi. The most frequent topics are Coronary Aneurysm, Coronary Angiography and Electrocardiography. Dr. Matayoshi's most frequent co-authors are Milind R. Dhond, MD, Kai-Ting Hu, MD and Lawrence J. Laslett, MD.

CMS Open Payments shows 191 general payments to Dr. Matayoshi from 30 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Relypsa, Inc. paid the most, $571.

Dr. Matayoshi graduated from John A. Burns School of Medicine in 1995.

Dr. Matayoshi 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.