Dr. Thomas Thanh Tran, MD

Dr. Tran practices at Dignity Health - St. John's Regional Medical Center in Oxnard, California, part of CommonSpirit Health.

Dr. Tran's NPI, 1710972997, was assigned on September 14, 2005. Dr. Tran graduated from Ross University School of Medicine in 2000. Dr. Tran holds California license A85242.

Dr. Tran's primary practice is Dignity Health - St. John's Regional Medical Center, at 1600 N Rose Ave, Oxnard, CA 93030 in Ventura County. The practice phone is (805) 988-2500.

Dr. Tran's primary practice is Dignity Health - St. John's Regional Medical Center in Oxnard, California, part of CommonSpirit Health. Dr. Tran is also affiliated with Dignity Health - St. Bernardine Medical Center. The medical group on file is Inpatient Specialist of California PC. Dmand AI also links Dr. Tran to 1 more hospital and 1 medical group, each named with a free account.

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

Internal medicine is Dr. Tran's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tran is board certified in internal medicine by the National Board of Physicians and Surgeons. Dr. Tran is licensed in California.

Dmand AI lists loss of balance, lung disease: COPD, asthma or bronchitis and urinary tract infection among the conditions Dr. Tran treats.

CMS data shows 365 Medicare services from Dr. Tran across 4 procedure codes in 2024, for 140 Medicare patients. Medicare paid $31,814 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 140 Medicare patients who saw Dr. Tran in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 83% are also on Medicaid. Their average risk score is 3.75, 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. Tran's median patient age at 61, with 54% women.

In 2024, Dr. Tran wrote 152 Medicare Part D claims for 71 patients. 82% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $38 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.

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

CMS Open Payments shows 23 general payments to Dr. Tran from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $125.

Dr. Tran graduated from Ross University School of Medicine in 2000.

Dr. Tran is in network with 6 carriers, including Elevance, 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.