Dr. David Ray Vierra Jr., MD

Dr. Vierra practices at Providence Queen of the Valley Medical Center in Napa, California, part of Providence Health & Services.

Dr. Vierra's NPI, 1467030619, was assigned on March 30, 2021. Dr. Vierra graduated from Ross University School of Medicine in 2020. Dr. Vierra holds California license A197720.

Dr. Vierra's primary practice is Providence Queen of the Valley Medical Center, at 1000 Trancas St, Napa, CA 94558 in Napa County. The practice phone is (707) 252-4411.

Dr. Vierra's primary practice is Providence Queen of the Valley Medical Center in Napa, California, part of Providence Health & Services. Dr. Vierra is also affiliated with Sonoma Valley Hospital. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Vierra to 2 more hospitals, each named with a free account.

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

Internal medicine is Dr. Vierra's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Vierra is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Vierra's licenses on file in 2 states: California and Virginia.

CMS data shows 111 Medicare services from Dr. Vierra across 3 procedure codes in 2024, for 87 Medicare patients. Medicare paid $10,425 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 87 Medicare patients who saw Dr. Vierra in 2024. The largest group is 85 and over, with 32 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.59, 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. Vierra's median patient age at 72, with 60% women.

In 2024, Dr. Vierra wrote 258 Medicare Part D claims for 50 patients. 86% of them were for generic drugs. CMS names the drug for 62 of them, across 4 drugs with 11 or more claims each, at $246 in total drug cost. In 2023, CMS named 129 claims across 9 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Vierra for performance year 2024, reported through an alternative payment model (APM). Dr. Vierra accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 2 general payments to Dr. Vierra from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $32.

Dr. Vierra graduated from Ross University School of Medicine in 2020.

Dr. Vierra is in network with 12 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and HCSC. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.