Jennifer Joh Profile Image


  • Breast Surgery

Board Certifications:

  • Surgery


  • English


  • The Weinberg Center at Mercy
  • Mercy Personal Physicians at Lutherville

Jennifer Joh, M.D.

Jennifer Joh, M.D., FACS, is a full-time, dedicated breast doctor at The Hoffberger Breast Center at Mercy in Downtown Baltimore. Dr. Joh also sees patients at select Mercy Community Physician Sites. Devoted to the care of her breast cancer patients, Dr. Joh offers a specialized focus not provided by most breast centers.

As a Board Certified breast doctor with a caring spirit, Dr. Joh treats breast cancer and benign breast conditions with compassion, keeping a patient’s personal concerns a top priority. Dr. Joh’s friendly and energetic personality is appreciated by her patients, who easily recognize that patient care is a true commitment and deep source of fulfillment for her. To her patients, Dr. Joh is approachable and easy to communicate with, making the hurdles of breast disease a little more bearable.

Specializing in Treatments for Breast Cancer and Breast Diseases

Recognized by Baltimore magazine as a "Top Doctor" in the breast surgery category, Dr. Joh is committed to providing patients with personalized, innovative treatment plans to treat breast diseases. Dr. Joh works with the renowned plastic surgeons at Mercy to offer a full array of breast cancer treatments and breast reconstruction procedures. This team of breast doctors provides an individualized approach to breast surgery so patients are left with a more natural look and shape.

Top Rated Training and Research in Breast Cancer

With medical training from the renowned H. Lee Moffitt Cancer Center and Research Institute in Florida, Dr. Joh has a leading edge knowledge base of breast cancers and comprehensive breast cancer treatment.

A published medical expert, Dr. Joh has received recognition by the Annual Multidisciplinary Symposium on Breast Disease for her research on tumor pathology and by the Annual Peter Cyrus-Rizzo III Scientific Seminar for her research on techniques of sentinel lymph node examinations. 

Education & Fellowships
  • Fellowship – H. Lee Moffitt Cancer Center and Research Institute, Breast Surgical Oncology
  • Residency – St. Vincent’s Hospital, New York, in General Surgery
  • Medical Degree – University of Miami School of Medicine

The Hoffberger Breast Center at Mercy

The Hoffberger Breast Center at Mercy is a renowned Baltimore breast center with award-winning programs and doctors, The Breast Center’s comprehensive care is thoughtfully designed for women undergoing the journey to overcome breast disease. Dr. Neil Friedman is Director of The Hoffberger Breast Center at Mercy and leads one of the most respected breast care clinical teams in Baltimore. Learn more at or call 1-800-MD-Mercy to make an appointment.

Breast Cancer Diagnosis: Now What? - Dr. Jennifer Joh & Dr. Maria Jacobs - Mercy

Mercy Drs. Jennifer Joh & Maria Jacobs discuss breast cancer treatment. Learn more at

Triple Negative Breast Cancer - Dr. Jennifer Joh - Mercy

Mercy breast surgeon Dr. Jennifer Joh discusses triple negative breast cancer. Learn more at

The Cancer Doctors at Mercy

The Cancer Doctors at Mercy treat a wide range of cancers, relying on advanced technologies, compassionate care, leading edge research and clinical trials, and demonstrated medical expertise to provide some of the best treatment options available to fight cancer and restore hope and vitality.

The Weinberg Center for Women's Health and Medicine at Mercy

The Weinberg Center for Women's Health and Medicine at Mercy Medical Center in Baltimore, Maryland is widely recognized as one of the region’s pre-eminent leaders in women’s health care.


Insurances Accepted

See a list of insurances accepted at Mercy. Restrictions may apply. Patients should confirm coverage with their carrier prior to appointment date.