About Karina Ruiz-Esteves, MD

Dr. Karina Ruiz-Esteves completed her Bachelor's in Biology at the University of Puerto Rico at Mayaguez before moving to Washington DC, where she spent a year researching mast cell disorders at the National Institutes of Health (NIH). She then moved to NYC, where she graduated with Honors in Service from medical school at Weill Cornell Medicine. She completed her Internal Medicine Residency at Massachusetts General Hospital (MGH) in Boston. During her time as a resident, she also served as a primary care provider for the MGH Chelsea Healthcare Center.

Dr. Ruiz-Esteves now serves as Inpatient Oncology Nocturnist at the Mass General Cancer Center and as Instructor at Harvard Medical School. Her research interests include healthcare disparities and immunotherapy complications. She will serve as Chief Resident of the MGH Internal Medicine Residency Program during the 2024-2025 academic year before pursuing a fellowship in Hematology-Oncology.

Departments, Centers, & Programs:

Clinical Interests:




Mass General Cancer Center
55 Fruit St.
Boston, MA 02114
Phone: 617-726-5130
Phone: 877-726-5130

Medical Education

  • MD, Weill Cornell Graduate School
  • Residency, Massachusetts General Hospital

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


  • Ruiz-Esteves, K.N*., Teysir, J*., Schatoff, D., Elaine, W.Y. and Burnett-Bowie, S.A.M.Disparities in osteoporosis care among postmenopausal women in the United States. Maturitas. 2022 Feb;156:25-29. PMID: 35033230

    Carter, M.C., Bai, Y., RuizEsteves, K.N., Scott, L.M., Cantave, D., Bolan, H., Eisch, R., Sun, X., Hahn, J., Maric, I. and Metcalfe, D.D. Detection of KIT D816V in peripheral blood of children withmanifestations of cutaneous mastocytosis suggests systemic disease. Br J Haematol. 2018 Dec;183(5):775-782. PMID: 30488427

    Carter MC, Ruiz-Esteves KN, Workman L, Lieberman P, Platts-Mills TAE, Metcalfe DD. Identification of alpha-gal sensitivity in patients with a diagnosis of idiopathic anaphylaxis. Allergy. 2018 May;73(5):1131-1134. doi: 10.1111/all.13366. Epub 2017 Dec 27. PMID: 29161766; PMCID: PMC7254893.

    Carter MC, Desai A, Komarow HD, Bai Y, Clayton ST, Clark AS, Ruiz-Esteves KN, Long LM, Cantave D, Wilson TM, Scott LM, Simakova O, Jung MY, Hahn J, Maric I, Metcalfe DD. A distinct biomolecular profile identifies monoclonal mast cell disorders in patients with idiopathic anaphylaxis. J Allergy Clin Immunol. 2018 Jan;141(1):180-188.e3. PMID: 28629749, PMCID: PMC6311988, https://doi.org/10.1016/j.jaci.2017.05.036

    Qui?ones-Ruiz T, Rosario-Alomar MF, Ruiz-Esteves K, Shanmugasundaram M, Grigoryants V, Scholes C, L?pez-Garriga J, Lednev IK. Purple Fibrils: A New Type of Protein Chromophore. J Am Chem Soc. 2017 Jul 26;139(29):9755-9758. PMID: 28689402, https://doi.org/10.1021/jacs.7b03056

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