Dr. Niem L. Nguyen, MD

Dr. Nguyen practices at Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.

Dr. Nguyen's NPI, 1669429957, was assigned on May 30, 2006. Dr. Nguyen graduated from Hue University Faculty of Medicine in 1991. Dr. Nguyen holds California license A78088.

Dr. Nguyen's primary practice is Providence St. Joseph Hospital Orange, at 1100 West Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 633-9111.

Dr. Nguyen's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dr. Nguyen is also affiliated with UCI Health - Orange. The medical group on file is Chest and Critical Care Consultants. Dmand AI also links Dr. Nguyen to 2 more hospitals, each named with a free account.

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

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

Dmand AI lists acute stomach ulcer, bile duct problems, cardiac arrhythmia, circulatory problems in extremities, congestive heart failure, electrolyte disorders, gastrointestinal bleeding and gastrointestinal inflammation among the conditions Dr. Nguyen treats.

CMS data shows 817 Medicare services from Dr. Nguyen across 3 procedure codes in 2024, for 248 Medicare patients. Medicare paid $83,789 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 248 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 4.23, 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 62, with 44% women.

In 2024, Dr. Nguyen wrote 507 Medicare Part D claims for 164 patients. 90% of them were for generic drugs. CMS names the drug for 255 of them, across 11 drugs with 11 or more claims each, at $9,747 in total drug cost. In 2023, CMS named 217 claims across 10 drugs.

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

CMS Open Payments shows 43 general payments to Dr. Nguyen from 8 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,519.

Dr. Nguyen graduated from Hue University Faculty of Medicine in 1991.

Dr. Nguyen 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, 5. Check the plan with the practice before a visit.