Accepting new patients

Cristina H. Nguyen, MD, MHA, MS

  • Internal Medicine
Average rating: 4.9
| 309 ratings
Pasadena Primary Care | 625 South Fair Oaks Avenue, Suite 300, Pasadena, CA 91105


Dr. Cristina Nguyen is a board-certified internal medicine physician practicing at UCLA Health in Pasadena. Her clinical interests include preventative medicine, chronic disease management, healthcare disparities, and medical education. Her goal is to deliver high-quality compassionate and comprehensive patient-centered care through a personalized approach to improve the quality of life for all patients.

Dr. Nguyen received her undergraduate degree in biological sciences from the University of California, Irvine, with a minor in medical anthropology. She worked at OneLegacy, an Organ Procurement Organization, in Los Angeles prior to pursuing her medical degree. Dr. Nguyen earned her medical degree from the Chicago Medical School at Rosalind Franklin University of Medicine and Science in Chicago. While at the Chicago Medical School, Dr. Nguyen concurrently received Master’s of Science degrees in both Health Administration and Biomedical Sciences. She completed her internal medicine residency training at Alameda Health System-Highland Hospital in Oakland with a focus in primary care. 

Upon completing her residency training, Dr. Nguyen worked as a Dermatology Clinical Research Fellow at the University of California, Irvine, where she spearheaded both sponsor-initiated and investigator-initiated clinical trials on various dermatologic conditions, such as alopecia areata, atopic dermatitis, and psoriasis.

Dr. Nguyen is a Los Angeles native and is ecstatic to be home to serve her local community. Outside of her professional activities, Dr. Nguyen enjoys traveling, trying new restaurants, going to the beach, attending concerts, and watching true-crime mysteries/romantic comedies. She also enjoys spending quality time with her husband, family, friends, and her two fur babies. 


English, Vietnamese


Medical Board Certification

Internal Medicine, American Board of Internal Medicine, 2021


Internal Medicine, Alameda County Medical Center - Highland Hospital, 2020


MHA, Rosalind Franklin University of Medicine and Science, 2017
MD, Chicago Medical School at Rosalind Franklin University of Medicine and Science, 2017
MS, Rosalind Franklin University of Medicine and Science, 2013


Meet Cristina H. Nguyen, MD, MHA, MS



Babadjouni A, Phong CH, Nguyen C, Mesinkovska NA. COVID-19 Vaccination Related Exacerbations of Hair Loss in Patients with Moderate to Severe Alopecia Areata on Systemic Therapy [published online ahead of print, 2022 Aug 20]. JAAD Case Rep. 2022;10.1016/j.jdcr.2022.08.016. doi:10.1016/j.jdcr.2022.08.016

Phong CH, Babadjouni A, Nguyen C, Kraus CN, Mesinkovska NA. Not just thinning: A case of alopecia universalis after mild COVID-19. JAAD Case Rep. 2022;25:1-3. doi:10.1016/j.jdcr.2022.04.024

Casale F, Nguyen C, Dobry A, Smith J, Mesinkovska NA. Dupilumab-associated psoriasis and psoriasiform dermatitis in patients with atopic dermatitis. Australas J Dermatol. 2022;63(3):394-397. doi:10.1111/ajd.13846

Yale K, Nguyen C, Telep S, Ghigi A, Zheng K, Subramanian I, Feeney C, Mesinkovska NA. Is prior antithrombotic use protective against COVID-19 infection? A cross-sectional study of the University of California Health patient population. Ann Blood 2022. doi: 10.21037/aob-21-75 6

Nguyen C, Shwe S, Yale K, et al. The role of gender, race, and ethnicity in psoriasis patients with COVID-19 infection: A cross-sectional study. Int J Womens Dermatol. 2022;8(1):e012. Published 2022 Mar 21. doi:10.1097/JW9.0000000000000012

Martin A, Nguyen C, Sung CT, Mesinkovska NA. Microneedling for the Treatment of Plantar Warts. Dermatol Surg. 2022;48(5):585-586. doi:10.1097/DSS.0000000000003408

Casale F, Nguyen C, Mesinkovska N. (2021). Medical and procedural treatment of androgenetic alopecia. M. Alam & J.S. Dover (Eds.), Cosmetic hair restoration: Medical and procedural treatment of androgenetic alopecia. Edinburgh, United Kingdom of Great Britain & Northern Ireland: Elsevier.

Shwe S, Nguyen C, Bhutani T. Racial disparities in clinical trials of biologic treatments for psoriatic arthritis. J Am Acad Dermatol. 2021 Aug 28:S0190-9622(21)02381-1. doi: 10.1016/j.jaad.2021.08.038. Epub ahead of print. PMID: 34464628.

Nguyen C, Yale K, Casale F, Ghigi A, Zheng K, Silverberg JI, Mesinkovska N. (2021). SARS-CoV-2 infection in patients with atopic dermatitis: a cross-sectional study. The British journal of dermatology, 10.1111/bjd.20435. Advance online publication.

Casale F, Nguyen C, Ward S, Mesinkovska NA. Cytotoxic T-Lymphocyte Antigen–4 Haploinsufficiency Cutaneous Manifestations. JAMA Dermatol. Published online July 14, 2021. doi:10.1001/jamadermatol.2021.2317

Elsanadi R, Casale F, Yale K, Nguyen C, Nourmohammadi N, Eckhouse V, Cohen Y, Mesinkovska N. Quantification of Adverse Skin Reactions Secondary to Mask-Wearing Using 3-D Imaging Technology: A Prospective Cohort Study. JAAD 2021.

Suh S, Nguyen C, Zhao L, Atanaskova Mesinkovska N. The role of platelet-rich plasma therapy in refractory folliculitis decalvans. JAAD Case Rep. 2021;12:85-87. Published 2021 Apr 24. doi:10.1016/j.jdcr.2021.04.008

Nguyen C, Atanaskova Mesinkovska N. Alopecia areata—New updates with long‐term use of JAK inhibitors. Dermatol. Rev. 2021;1–10.

Nguyen C, Yale K, Ghigi A, Zheng K, Mesinkovska NA, Wambier CG, Cadegiani FA, Goren A. SARS-CoV-2 infection in patients with thyroid disease: a cross-sectional study. Ann Thyroid 2021.

McElroy LM, Gillett EZ, Nguyen C, Holl JL, Abecassis MM, and Ladner DP. (2016). The hospital pager: Out with the old or here to stay? Clinical Liver Disease, 7: 29–31. doi:10.1002/cld.529.

Nguyen C, McElroy LM, Abecassis MM, Holl JL, Ladner DP. The use of technology for urgent clinician to clinician communications: A systematic review of the literature. International Journal of Medical Informatics. 2015;84(2):101-110. PMID: 25444594


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