Explore This Fellowship


Welcome to the Massachusetts General Hospital Allergy/Immunology Fellowship Training Program. Our mission is to train future leaders who will inspire and push the leading edge of medicine in patient care, teaching and research. We accomplish this by providing outstanding clinical training, a strong collaborative research environment, supportive mentoring, and a broad range of educational opportunities. This is possible through our outstanding clinicians, nationally and internationally recognized leaders in clinical, translational and basic science research, and faculty deeply dedicated to fellow education. The unique learning opportunities at MGH and the resources available in the broader Harvard community can help trainees develop their unique career interest.

Program Overview

We recruit two fellows each year from trainees who have completed residencies in internal medicine, pediatrics or medicine/pediatrics. The first two years of the program are devoted to fulfillment of the requirements for certification by the American Board of Allergy and Immunology. The first year is primarily clinical with a focus on developing excellent clinic skills in the inpatient and outpatient setting. During the first year of training the fellow selects a faculty preceptor, who will provide mentorship in research in subsequent years. The fellowship is accredited by the American Board of Allergy and Immunology, a conjoint group that includes input from the American Board of Pediatrics and the American Board of Internal Medicine.

Rebecca Saff, MD, PhD, Allergy and Immunology Fellowship Program Director, discusses the fellowship program.

How to Apply

The Mass General Hospital Fellowship in Allergy and Immunology processes fellowship applications through the Electronic Residency Application Service (ERAS) Fellowship Applicant site.

Related Inquiries

Interested applicants must submit all of the following documents through ERAS by the second Friday in August 2021:

  • ERAS application
  • CV
  • Personal statement
  • USMLE transcripts
  • Three letters of recommendation
  • Photo
  • Valid ECFMG certificate (foreign medical graduates only)

Interviews will be held in September and October 2021.

Additional Information


The first year of fellowship is dedicated to building clinical skills, both inpatient and outpatient, in all aspects of allergy and immunology. The second year of fellowship provides protected research time to develop skills and expertise in a chosen area with close mentorship.

During the first year, fellows have weekly continuity clinics in adult and pediatric allergy/immunology clinics as well as rotations in clinics in other specialties, including the Clinical Immunology Lab, PFTs, Drug Allergy testing, Dermatology, Pediatric Dermatology, Contact Dermatitis, ENT, Infant food challenges, Immune deficiency, Eosinophilic Esophagitis, and Genetics.

The second year of fellowship provides protected research time to develop skills and expertise in a chosen area with close mentorship. In addition to the junior and senior mentors involved directly in the project with the fellow, a research advisory committee meets with the fellow 2-3 times a year to help mentor and guide the fellow and allows for additional feedback outside of the fellows’ direct advisors. Fellows will continue to see patients for 1-2 half days per week and help to supervise venom desensitizations and aspirin desensitizations on those days.


Didactic conferences (clinical years) are held on a regularly scheduled basis with attendance required of all first and second year fellows and divisional faculty. Attendance is encouraged in subsequent year trainees.

Weekly Conferences

  • Allergy/Immunology Grand Rounds
  • Immunology tutorial
  • Case conference
  • Immune deficiency case conference (every other week)
  • Medicine Grand Rounds (optional)
  • Pediatric Grand Rounds (optional)

Monthly Conferences

  • Mass General/BWH-combined allergy/immunology fellows conference
  • Boston city-wide allergy/immunology rounds
  • Rapid fire journal club

Quarterly Conferences

  • Partners Asthma Center Rounds (optional)

Annual Conferences

  • Weeklong introductory course for allergy/immunology fellows through Brigham and Women's Hospital
  • During the first two years of training, each fellow will attend at least one national allergy conference (AAAAI or ACAAI)

Teaching Opportunities

Opportunities are available for teaching residents and medical students rotating through the allergy and immunology elective programs. Allergy and immunology fellows are encouraged to participate in and contribute to house-staff conferences at Mass General. This includes the education of medical students, residents, attending physicians, other allied health personnel and patients. Fellows participate in and present at the conferences, journal clubs and seminars listed above and are actively involved in teaching the house staff during the inpatient consultations and as the house staff rotating through the allergy ambulatory clinics.

Clinical Training

Clinical Experience

The core clinical activities of the Allergy and Immunology Fellowship take place at Massachusetts General Hospital in the dedicated Allergy and Immunology outpatient suite located on the second floor of the Cox building and on the patient floors during inpatient consultations. Fellows rotate in the subspecialty clinics within Allergy/Immunology as well as outside the specialty (Dermatology, Occupational Health, Genetics, Pulmonary, and ENT at Massachusetts Eye and Ear Institute). The fellowship does not include in-hospital call. Fellows are on call from home at nights and weekends on a shared basis with other fellows in the program.

Ambulatory Experience

The first year fellows participate in the Adult Allergy/Immunology Clinic at Mass General and in the Pediatric Allergy/Immunology clinics of Mass General for Children. In these settings, the trainee interacts with patients who have allergic or other rhinitis, sinusitis, asthma, atopic dermatitis, hypersensitivity to foods, drugs, or stinging insects, urticaria and angioedema and other immunologic diseases, including autoimmune and immunodeficiency diseases. Fellows are assigned patients whom they treat and monitor longitudinally over the period of their fellowship, always appropriately supervised by dedicated attending faculty members. Generally, fellows see an average of 3-6 patients per half-day session. The experience provides an opportunity to develop an understanding for the natural history of these conditions over an extended period of time. The outpatient experience continues in a limited way in year two to ensure that our MD trainees meet the training requirements of the ABAI and is not required in subsequent research years. The acquired skills include the development of an appropriate differential diagnosis, diagnostic evaluation strategies and treatment plans. Communicating with the referring physicians and ensuring support for continuing care of the patients’ allergic condition is central to the consultative service.

Inpatient Experience (Consultation Service)

Fellows rotate on the inpatient Allergy/Immunology Consultation Service at Mass General, Mass General for Children and Massachusetts Eye and Ear. The Consultation Service includes the supervised evaluation of inpatient consultations on patients admitted to Mass General and Mass Eye and Ear who present with or develop allergic or immunologic problems, as well as the continued daily longitudinal follow-up of these patients during their hospitalization. A fellow performs literature research on topics appropriate to the case, and will participate actively in the teaching activities to the consulting team, especially as it pertains to house staff. In all cases, a written report of consultation is completed in the electronic medical record. At all times immediate faculty supervision is available. Mass General and Mass Eye and Ear serve frequently as tertiary (and occasionally quaternary) referral centers and carry a high census of extremely complex medical and surgical patients. The acquired skills include the development of an appropriate differential diagnosis, diagnostic evaluation strategies and treatment plans. Communicating with the referring physicians and ensuring support for continuing care of the patients’ allergic condition is central to the consultative service.

Research Training

A fertile environment for physician-scientists and PhD scientists with an interest in allergic diseases exists in the Center for Immunology and Inflammatory Disease (CIID) at the Mass General-East Charlestown Navy Yard Research Facility. Faculty and fellow collaboration is at the heart of the research training program.

The basic science research training program is focused on training fellows in research in immunology and allergic inflammation. The CIID was established to serve as the basic and clinical science foundation for the clinical departments of Rheumatology, Allergy and Clinical Immunology. Offering a diverse, integrative and interactive training experience, exceptional investigators at Mass General and members of the Harvard Medical School Immunology Graduate Program are also included amongst research supervisors and mentors of our trainees. Under the guidance of the sponsor, the fellow learns to formulate hypotheses and design experiments to test these hypotheses, to perform laboratory techniques, to analyze data and to write manuscripts and grants. A diverse group of faculty with a wide range of research interests are available.

The Division of Rheumatology, Allergy and Immunology's Clinical Epidemiology Program focuses on training fellows in the principles of clinical research in the area of allergic and immunological diseases. Directed by Kimberly Blumenthal, MD, and located within the Mass General Department of Medicine's Mongan Institute, faculty members train fellows in research related to allergic and rheumatologic diseases using clinical research methods that include advanced informatics, clinical epidemiology, primary data collection and simulation science.

In addition, there is clinical and translational research ongoing across the spectrum of allergic disease including the Drug Allergy and Desensitization Program, the Immune Deficiency Disorders Program, and the Food Allergy Center.

Fellows may apply for admission to the Summer Program in Clinical Effectiveness at Harvard T.H. Chan School of Public Health, which is designed for individuals who want to develop their quantitative and analytic skills for clinical research. After completing this program, fellows may choose to go on to complete their master's degree in clinical epidemiology or public health.



Division of Rheumatology, Allergy, Immunology Clinical Epidemiology Program

Center for Immunology and Inflammatory Diseases

Current Fellows

Ruchi ShahRuchi Shah, MD

First Year Clinical and Research Fellow

Hometown: Ronkonkoma, NY
University: Stony Brook University/ Stony Brook Medicine
Residency: University of California San Francisco (UCSF)
Favorite Food: Indian Street Food!
Favorite Hobbies: Cooking new recipes, exploring national and state parks, snorkeling
Fun Facts: I held the Olympic torch during the 2012 London Olympics
Where do you live: Jeffries Point
Research Interests: Drug allergy, healthcare disparities, science communication and health literacy
Bio: Ruchi grew up on Long Island, New York and completed her undergraduate and medical training through the Scholas for Medicine B.S/M.D. program at Stony Brook University and Stony Brook Medicine. She then moved to San Francisco for Internal Medicine Residency at the University of California San Francisco (UCSF). Ruchi loves traveling and spending time outdoors- camping in the mountains, exploring national parks, and swimming and snorkeling. Ruchi and her husband enjoy finding fresh ingredients at the (many) local farmer's markets in Boston and creating new recipes together. Ruchi is thrilled to be at MGH for A&I fellowship and is grateful for the opportunity to work with incredible mentors in a supportive clinical and research environment.

Ashley WuAshely Wu, MD

First Year Clinical and Research Fellow

Hometown: Princeton, NJ
University: University of Pennsylvania (Undergrad), Vanderbilt University School of Medicine (Medical School)
Residency: Vanderbilt University
Favorite Food: Noodles in any shape or form
Favorite Hobbies: Cooking, hiking, Latin dance, yoga, gardening
Fun Facts: During the pandemic, I picked up gardening and grew 20 different varieties of heirloom tomatoes.
Where do you live: Cambridge
Research Interests: Molecular mechanisms of antibody-mediated allergic disease
Bio: I grew up in suburbs of Central Jersey. I didn’t venture far from home and attended the University of Pennsylvania for college. While there, I pursued a combined Bachelors/Masters Program in Biochemistry and Chemistry, developing an interest in immunology while studying innate immune responses to coronavirus. I headed down south to Nashville, TN for medical school and Med/Peds residency, where I gained a deep appreciation for live country music and hot chicken. Outside of the hospital, you’ll find me cooking, dancing in Central Square, or spending time with my husband, Seth, and my tabby cat, Lena. I am excited to join the MGH Allergy/Immunology family and to explore all that Boston has to offer!

Chantal LemoineChantal Lemoine, MD

Second Year Clinical and Research Fellow

Hometown: Maracay, Venezuela
University: Universidad de Carabobo, Venezuela
Residency: University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA
Favorite Food: Carbonara pasta, empanadas, chocolate
Favorite Hobbies: I love to spend time with family and friends. I love to travel to new places and would love to go to a new country every year. I love good tv series and movies. I love dancing to latin music. More recently, I have gotten into camping, kayaking, and hiking which is very fun!
Fun Facts: I was born on February 14th but I changed my birthday to not celebrate Valentine's day and my birthday on the same day
Where do you live: West End
Research Interests: Drug allergy, antibiotic related DRESS. I am interested in the clinical, epidemiological and genetic characteristics of different types of antibiotic DRESS
Bio: I was born and raised in Venezuela, where I went to medical school, but living and practicing medicine in the US was always my dream. Fortunately, after graduating from medical school, I moved to the USA, and I spent two years at Johns Hopkins University doing research in COPD/asthma and environmental modifiable risk factors. For residency, I trained at UPMC, and I enjoyed living in Pittsburgh for three years. Now, I have been living in Boston for a year, and I am loving it! There is always something to do on the Boston calendar, and the city is very walkable. I have also expanded my food palate with all the restaurant options in this city. I am looking forward to continuing to explore places around MA (Vermont, New Hampshire, etc) and do some skiing next Winter. At MGH, everyone is so smart and down-to-earth; it is great to learn from world-class, renowned physicians and scientists in such a collegial environment. I am blessed to have friends as co-fellows that I can always count on for work or non-work-related matters. I am looking forward to growing as a clinician, researcher, and educator during this stage in my career, and I am beyond excited to get to do it at MGH!

Marielle YoungMariella Young, MD

Second Year Clinical and Research Fellow

Hometown: Bethesda, MD
University: Icahn School of Medicine at Mount Sinai
Residency: Massachusetts General Hospital (Pediatrics)
Favorite Food: Steak frites!
Favorite Hobbies: Trying new restaurants, sailing, biking around Boston with my golden retriever (Lila) in tow, learning about personal finance and investing
Fun Facts: I was Captain of the Columbia Cheerleading Team in college!
Where do you live: Dorchester in a 127-year-old Victorian house!
Research Interests: Pediatric food allergy medical education/curriculum design, clinical trials, oral immunotherapy
Bio: Elle spent most of her childhood in Bethesda, Maryland where she grew up playing violin, singing and traveling with her family. She moved to New York City to attend Columbia for undergrad where she studied Psychology. She remained in New York City to attend the Mount Sinai School of Medicine as part of the Humanities in Medicine Program. During medical school, she also pursued a Master of Public Health in Social Determinants of Health and Disparities at Harvard, where she discovered her passion for Native and Indigenous health and health disparities. She completed her pediatrics residency training and Chief Year at MassGeneral for Children and is thrilled to be staying at MGH for fellowship! In her free time, she enjoys exploring Boston's art museums and music scene, trying new restaurants and spending time with her husband, Julian, and their Golden Retriever, Lila.

Jennifer LiJennifer Li, MD

Graduate Assistant

Hometown: Chapel Hill, NC
University: Massachusetts Institute of Technology (Undergrad), Northwestern University (Medical school)
Residency: University of Wisconsin
Favorite Food: Dim sum, potato-based foods, ice cream
Favorite Hobbies: Hiking, trying new cuisines, going to classical music concerts
Fun Facts: One of my life goals is to see as many musicals live as I can - currently at 10 Broadway shows (one from winning the Hamilton lottery!)
Where do you live: Across the street from the hospital
Research Interests: I am excited about food allergy research and have joined the Shreffler Lab, investigating the role of intestinal permeability in food allergy. My prior research also focused on food allergy as well as atopic dermatitis and hypereosinophilia.
Bio: I grew up in North Carolina, and attended MIT for undergrad, where I majored in Biology. I am so thrilled to now be back at MGH and in Boston for fellowship after finishing medical school/residency in the Midwest. I have had amazing clinical training and mentorship from leading and renowned faculty here, and the support from faculty has been incredible! I also love the city of Boston and enjoy walking along the Charles River and trying all the different restaurants here. Overall, I am looking forward to continuing to grow as a clinician, researcher, and person here at MGH!

Fellowship Life

Fellowship life
Drs. Caitlin Burk and Dan Digiacomo enjoying Coffee Central.

One of our focuses is on promoting wellness and community within our fellowship and our division. To do this, we have a coaching program that matches fellows with non-supervisory faculty coaches who provide emotional and professional support to fellows to help them understand and use their strengths. We also organize activities that promote community and let us have fun together including:

  • Annual weed walk
  • Fall Apple Picking
  • Book club
  • Winter Holiday Party
  • AAAAI 5K Run/Walk
  • AAAAI Alumni Dinner
  • Graduation

Living in Boston

The Boston skyline reflected in the pond in Boston Public Garden.
Boston Public Garden

Boston is an incredible place to live, combining the charm and feel of a small city with amazing options for restaurants, museums, concerts, and sports. As the urban gateway to the surrounding New England region, Boston is an outdoor lover's paradise. You can hike the nearby White Mountains in the spring, head to the beaches of Cape Cod in the summer, pick apples and watch the leave change in the fall, and ski and ice skate through the winter. And as one of the leading healthcare and biotechnology clusters in the world, Boston is a truly great place to launch the next stage of your career.

History of the Program

Dr. Francis Rackemann, a clinician scholar, founded the Mass General Allergy Unit in 1919. He established a large outpatient clinic for the care of patients with allergic rhinitis and asthma. This clinic continues to flourish, under the current leadership of Dr. Aidan Long, offering care to patients with a broad spectrum of allergic and immunologic diseases.

In 1959, Dr. Francis Lowell was appointed chief of the Allergy Unit based on his ability to conduct clinical research. Drs. Lowell and William Franklin performed the first controlled studies of the efficacy of repeated injections of ragweed pollen extract in relieving the symptoms of ragweed allergic rhinitis. Beginning in the 1950s, there was a dramatic expansion of knowledge in basic immunology accompanied by the realization that immunologic concepts, techniques and therapies were applicable to the care of patients. In 1976, following the retirement of Dr. Lowell, Dr. Kurt Bloch was appointed to head the combined Allergy/Immunology Unit. Dr. Bloch established the Clinical Immunology Laboratory, which provides specialized Immunological testing for Allergy and Rheumatology, as well as for the entire medical community. The Clinical Immunology Laboratory continues to remain an important part of the division under the new leadership of Dr. Murali. During his 24-year tenure, Dr. Bloch expanded the impact of this unit on inpatient care. Several novel approaches were developed to desensitize patients who were dangerously allergic to drugs that were essential to their care.

In 2000 following the retirement of Dr. Bloch, Dr. Andrew Luster was appointed the chief of a new Division of Rheumatology, Allergy and Immunology at Mass General. This new division includes the former Allergy and Clinical Immunology Units and the former Arthritis Unit. The impetus for this new initiative was to develop a division within the Department of Medicine that would focus on the immunological and inflammatory basis of human disease. To accomplish this goal, the Center for Immunology and Inflammatory Diseases was established as part of the DRAI to serve as the basic and clinical science foundation for the clinical departments of Rheumatology, Allergy and Clinical Immunology. Dr. Luster, the division chief, is also the director of an NIH-sponsored training program in allergy and immunology research at the Mass General.

Graduates of the Allergy/Immunology Unit have contributed importantly to the field of allergy and immunology and hold leadership positions, including John Bienenstock (former medical school dean, chairman of pathology and professor of Medicine and pathology, McMaster University School of Medicine), Raymond Dattwyler (professor of medicine, New York Medical College), Theodore Freeman (chief, Allergy Unit, Lackland AFB), Richard Moscicki (chief medical officer, Pharmaceutical Research and Manufacturers of America), Yung Chyung (chief medical officer, Scholar Rock), John Leung (assistant professor, director of Center for Food Related Diseases, Tufts University School of Medicine) and Iris Otani (assistant professor, associate program director, UCSF). Many other graduates of our Allergy/Immunology Fellowship program practice allergy and clinical immunology in the Boston area and throughout the United States.