Dr. Thomas T. Nguyen, MD

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

Dr. Nguyen's NPI, 1669807699, was assigned on September 10, 2013. Dr. Nguyen graduated from St. George's University School of Medicine in 2011. Dr. Nguyen's California license number on file is A127610.

Dr. Nguyen'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. Nguyen's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dr. Nguyen is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is John Muir Medical Group. Dmand AI also links Dr. Nguyen to 3 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 6 sites in all. Vendor and product names are available with a free account.

Hospitalist is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Nguyen has a license on file in California.

Dmand AI lists acute respiratory failure, cardiac arrhythmia, cellulitis, circulatory problems in extremities, cirrhosis, congestive heart failure, electrolyte disorders and gastrointestinal bleeding among the conditions Dr. Nguyen treats.

CMS data shows 1,283 Medicare services from Dr. Nguyen across 7 procedure codes in 2024, for 405 Medicare patients. Medicare paid $104,182 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 405 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 75 to 84, with 154 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.57, 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. Nguyen's median patient age at 68, with 54% women.

In 2024, Dr. Nguyen wrote 254 Medicare Part D claims for 110 patients. 82% of them were for generic drugs. CMS names the drug for 38 of them, across 2 drugs with 11 or more claims each, at $11,030 in total drug cost. In 2023, CMS named 28 claims across 2 drugs.

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

CMS Open Payments shows 1 general payment to Dr. Nguyen from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Echosens North America, Inc. paid the most, $25.

Dr. Nguyen graduated from St. George's University School of Medicine in 2011.

Dr. Nguyen is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.