Dr. Warren Joseph A. San Diego, MD

Dr. San Diego practices at NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.

Dr. San Diego's NPI, 1083036743, was assigned on January 15, 2014. Dr. San Diego graduated from Ross University School of Medicine in 2011. Dr. San Diego holds California license A130099.

Dr. San Diego's primary practice is NorthBay Medical Center, at 1200 B Gale Wilson Blvd, Fairfield, CA 94533 in Solano County. The practice phone is (707) 646-5000.

Dr. San Diego's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. The medical group on file is NorthBay Medical Center. Dmand AI also links Dr. San Diego to 2 more hospices and 1 medical group, each named with a free account. Dr. San Diego's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. San Diego practices, 3 sites in all. Vendor and product names are available with a free account.

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

Dmand AI lists acute diabetes, acute respiratory failure, anemia, atrial fibrillation and flutter, bile duct problems, cardiac arrhythmia, cellulitis and chronic diabetes among the conditions Dr. San Diego treats.

CMS data shows 849 Medicare services from Dr. San Diego across 5 procedure codes in 2024, for 331 Medicare patients. Medicare paid $81,935 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 331 Medicare patients who saw Dr. San Diego in 2024. The largest group is 75 to 84, with 102 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.74, 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. San Diego's median patient age at 62, with 48% women.

In 2024, Dr. San Diego wrote 443 Medicare Part D claims for 147 patients. 91% of them were for generic drugs. CMS names the drug for 190 of them, across 11 drugs with 11 or more claims each, at $8,213 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.

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

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dr. San Diego graduated from Ross University School of Medicine in 2011.

Dr. San Diego is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.