Dr. Matthew Tam Maynard, DO

Dr. Maynard practices at Adventist Health Sonora in Sonora, California, part of Adventist Health.

Dr. Maynard's NPI, 1861617417, was assigned on April 16, 2007. Dr. Maynard graduated from Arizona College of Osteopathic Medicine - Glendale in 2002. Dr. Maynard holds California license 20A10864.

Dr. Maynard's primary practice is Adventist Health Sonora, at 1000 Greenley Road, Sonora, CA 95370 in Tuolumne County. The practice phone is (209) 536-5000.

Dr. Maynard's primary practice is Adventist Health Sonora in Sonora, California, part of Adventist Health. The medical group on file is Adventist Health Sonora. Dmand AI also links Dr. Maynard to 1 more group practice or clinic, named with a free account. Dr. Maynard's employer is on file too: a hospital.

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

Obstetrics and gynecology is Dr. Maynard's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Maynard is board certified in obstetrics & gynecology by the AOA Board of Obstetrics and Gynecology. Dmand AI has Dr. Maynard's licenses on file in 3 states: California, Michigan and New Mexico.

Dmand AI lists hysterectomy, menopause, ovarian cyst, pelvic prolapse, UTI and vaginal prolapse repair among the conditions Dr. Maynard treats.

CMS data shows 160 Medicare services from Dr. Maynard across 4 procedure codes in 2024, all of them office visits, for 104 Medicare patients. Medicare paid $12,025 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 104 Medicare patients who saw Dr. Maynard in 2024. The largest group is 65 to 74, with 45 patients. 67% of them have high cholesterol, and 56% have high blood pressure. 16% are also on Medicaid. Their average risk score is 0.85, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Maynard's median patient age at 48, with 94% women.

In 2024, Dr. Maynard wrote 335 Medicare Part D claims for 88 patients. 91% of them were for generic drugs. CMS names the drug for 129 of them, across 4 drugs with 11 or more claims each, at $10,148 in total drug cost. In 2023, CMS named 115 claims across 5 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Maynard for performance year 2024, reported as part of a group. Dr. Maynard accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 101 general payments to Dr. Maynard from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 86% of the total. Intuitive Surgical, Inc. paid the most, $282.

Dr. Maynard graduated from Arizona College of Osteopathic Medicine - Glendale in 2002. Dr. Maynard is a member of AOA.

Dr. Maynard is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.