Dr. Brian P. O'Connor II, MD, MPH

Dr. O'Connor practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.

Dr. O'Connor's NPI, 1487087615, was assigned on August 12, 2013. Dr. O'Connor graduated from UC Davis School of Medicine in 2007. Dr. O'Connor holds California license A131848.

Dr. O'Connor's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.

Dr. O'Connor's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dr. O'Connor is also affiliated with Concord Medical Center. The medical group on file is John Muir Health. Dmand AI also links Dr. O'Connor to 1 more hospital, 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. O'Connor practices, 5 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Connor is board certified in internal medicine by the American Board of Internal Medicine. Dr. O'Connor is licensed in California.

Dmand AI lists acute respiratory failure, anemia, bone infection, cardiac arrhythmia, cellulitis, circulation problems, collapsed lung and congestive heart failure among the conditions Dr. O'Connor treats.

CMS data shows 828 Medicare services from Dr. O'Connor across 4 procedure codes in 2024, for 281 Medicare patients. Medicare paid $83,111 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 281 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 75 to 84, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.93, 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. O'Connor's median patient age at 67, with 49% women.

In 2024, Dr. O'Connor wrote 225 Medicare Part D claims for 102 patients. 87% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $334 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. O'Connor for performance year 2024, reported as part of a group. Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 5 general payments to Dr. O'Connor from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Grifols Shared Services North America, Inc. paid the most, $167.

Dr. O'Connor graduated from UC Davis School of Medicine in 2007.

Dr. O'Connor is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.