Dr. Tien Quang Nguyen, MD

Dr. Nguyen practices at Tien Q Nguyen Inc in Fountain Valley, California.

Dr. Nguyen's NPI, 1396741351, was assigned on June 24, 2005. Dr. Nguyen graduated from University Of Florida College Of Medicine in 1982. Dr. Nguyen holds California license G50454.

Dr. Nguyen's primary practice is Tien Q Nguyen Inc, at 17271 Brookhurst St, Fountain Valley, CA 92708 in Orange County. The practice phone is (714) 531-2966.

Dr. Nguyen's primary practice is Tien Q Nguyen Inc in Fountain Valley, California. The medical group on file is First OC Dermatology. Dmand AI also links Dr. Nguyen to 2 more 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. Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Nguyen is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Nguyen's licenses on file in 2 states: California and Nevada.

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, corns and calluses and hives among the conditions Dr. Nguyen treats.

CMS data shows 9,904 Medicare services from Dr. Nguyen across 27 procedure codes in 2024, for 1,593 Medicare patients. Medicare paid $654,859 for them. Every service was in an office.

CMS counts 1,593 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 719 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 70% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 64, with 55% women.

In 2024, Dr. Nguyen wrote 4,181 Medicare Part D claims for 1,216 patients. 70% of them were for generic drugs. CMS names the drug for 4,012 of them, across 36 drugs with 11 or more claims each, at $6,644,578 in total drug cost. In 2023, CMS named 4,213 claims across 40 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 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 counts 1,539 procedures of removal of skin lesions by Dr. Nguyen, more than 96% of the clinicians it reports for that procedure.

Dmand AI links 3 papers to Dr. Nguyen in 2022. Dr. Nguyen's most frequent co-authors are Shikha Bansal, MD, Sylvia Hsu, MD and Neal Jain, MD.

Dmand AI links Dr. Nguyen to 6 clinical trials. 1 is still active or recruiting. Conditions studied include Eczema, Dermatitis, Atopic and Acneiform Eruptions. Bausch Health Americas, Inc. sponsors the most, 2. Open Payments lists research payments to Dr. Nguyen that name 6 trials.

CMS Open Payments shows 3,741 general payments to Dr. Nguyen from 58 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 75% of the total. Abbvie Inc. paid the most, $215,841. It also lists 50 research payments totaling $719,192 from 2016 to 2023, naming 6 clinical trials.

Dmand AI lists 1 award for Dr. Nguyen.

Dr. Nguyen graduated from University Of Florida College Of Medicine in 1982. Dr. Nguyen is a member of AAD.

Dr. Nguyen is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.