Sorry, you need to enable JavaScript to visit this website.

In regards to Medicare and Telehealth: The email message that you may have received is informing all medicare patients as of 09-30-2025 that Telehealth services such as virtual visits are no longer covered under medicare plans. This does not include your in office visits with our practice. Please know that Bay West will continue to see all of our Medicare patients in the office. If you have any further questions, please contact our office directly.

In regards to Medicare and Telehealth: The email message that you may have received is informing all medicare patients as of 09-30-2025 that Telehealth services such as virtual visits are no longer covered under medicare plans. This does not include your in office visits with our practice. Please know that Bay West will continue to see all of our Medicare patients in the office. If you have any further questions, please contact our office directly.

Ruth Horowitz, MD

Ruth S. Horowitz

Ruth Horowitz, MD

Accepts New Patients

Offers Virtual Visits

Location(s)

Accepts New Patients

Offers Virtual Visits

Occupation

PHYSICIAN

Board Certification

Endocrinology, Diabetes, and Metabolism

Areas of Expertise

Diabetes
Osteoporosis
Thyroid Disorders
Transgender Health

Education

Fellowship
University of Maryland School of Medicine
Endocrinology and Metabolism
Baltimore, MD
1994

Residency
University of Maryland School of Medicine
Internal Medicine
Baltimore, MD
1989

Medical School
University of Cincinnati College of Medicine
Doctor of Medicine
Cincinnati, OH
1988

Undergraduate School
Oberlin College
Bachelor of Arts
Oberlin, OH
1984

Affiliated Hospitals

Greater Baltimore Medical Center
University of Maryland St. Joseph Medical Center

Professional Associations

American Association of Clinical Endocrinologist
Member

American College of Physicians
Member

Endocrine Society
Member

Professional Association for Transgender Health
Member

Biography

Dr. Horowitz received her undergraduate degree from Oberlin College and her medical degree from the University of Cincinnati College of Medicine. She went on to complete both her residency in Internal Medicine and fellowship in Endocrinology and Metabolism at the University of Maryland College of Medicine. She then spent five years on the faculty of Sinai Hospital of Baltimore and was a part time Instructor of Medicine at Johns Hopkins School of Medicine. She joined Bay Endocrinology in 1999. She is now the Chief of Endocrinology at Greater Baltimore Medical Center. She is board certified in Diabetes, Endocrinology, and Metabolism. She is a member of the Endocrine Society, American Association of Clinical Endocrinologist, the American College of Physicians, and the World Professional Association for Transgender Health. Her interests include diabetes, thyroid disorders, osteoporosis, and transgender healthcare, as well as general endocrinology.