Alan Nathaniel Baer, M.D.

Headshot of Alan Nathaniel Baer
  • Director, Jerome Greene Sjogren's Syndrome Clinic
  • Professor of Medicine


Gout, Rheumatology, Rheumatology Consultation, Sjogren's Syndrome more

Research Interests

Sjogren's Syndrome

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Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-1887
301 Mason Lord Drive
Baltimore, MD 21224
Phone: 410-550-1887 | Fax: 410-550-6255
Johns Hopkins Bayview Medical Center - Google Maps


Dr. Alan Baer graduated from the Johns Hopkins University School of Medicine in 1978 and completed his post-graduate medical training in Internal Medicine and Rheumatology at the Johns Hopkins and Vanderbilt University Hospitals. He was a faculty member at the University at Buffalo, State University of New York, from 1986 to 2007, and served there as Chief of the Section of Rheumatology and Fellowship Program Director. 

He joined the faculty at Johns Hopkins in 2007 and is currently Professor of Medicine and Director of the Jerome L. Greene Sjogren's Syndrome Center. Since 2015, he has been an Investigator in the Sjogren's Syndrome Clinic at the National Institutes of Health. He was Chief of Rheumatology and Clinical Director of the Johns Hopkins University Rheumatology Practice at the Good Samaritan Hospital in Baltimore, Maryland from 2007 to 2014. 

Dr. Baer is currently engaged in a number of research studies in the area of Sjogren's syndrome, both at Johns Hopkins and in the NIH Sjogren's Syndrome Clinic. He was the principal investigator of the NIH subcontract to Johns Hopkins to conduct the Sjogren's International Registry (SICCA) and enrolled 300 patients into the registry. The SICCA registry has been a rich source of clinical data and biospecimens for research that Dr. Baer is conducting with colleagues at both Hopkins and the University of California-San Francisco. He is conducting a longitudinal observational study of patients with Sjogren's syndrome. more


  • Director, Jerome Greene Sjogren's Syndrome Clinic
  • Associate Investigator, National Institute of Dental and Craniofacial Research, National Institutes of Health
  • Professor of Medicine

Departments / Divisions

Centers & Institutes



  • MD; Johns Hopkins University School of Medicine (1978)


  • Internal Medicine; Vanderbilt University School of Medicine (1981)


  • Rheumatology; Vanderbilt University School of Medicine (1983)

Board Certifications

  • American Board of Internal Medicine (Internal Medicine) (1981)
  • American Board of Internal Medicine (Rheumatology) (1984)

Research & Publications

Research Summary

Dr. Baer has been the Director of the Jerome L. Greene Sjögren’s Syndrome Center at Johns Hopkins since its inception in July 2009. This multidisciplinary center brings together the expertise of rheumatologists, ophthalmologists, an otolaryngologist, neurologists, and gynecologists in the evaluation and management of patients with suspected or established Sjögren’s syndrome.  Dr. Baer was the PI of the NIH subcontract to Johns Hopkins to serve as a site for the Sjögren’s International Registry (SICCA). Since 2015, he has also been serving as an Associate Investigator in the Sjögren's Syndrome Clinic at NIH/NIDCR. In 2018, he co-hosted the 14th International Sjögren's Symposium in Washington, DC and secured NIH grant support for this conference. He is currently Chair of the Medical and Scientific Advisory Board to the Sjögren's Foundation. His research has involved cross-sectional and longitudinal analyses of the Hopkins, SICCA, and NIH Sjögren's cohorts, conduct of clinical trials, and collaborating with basic research groups on novel biomarker development.


Lab Website: Alan Baer Lab

Contact for Research Inquiries

The Johns Hopkins Jerome L. Greene Sjogren’s Syndrome Center
4940 Eastern Avenue
301 Building – 1st floor Neurology Clinic
Baltimore, MD 21224 map
Phone: 410-550-1887

Consultative Rheumatology
5501 Hopkins Bayview Circle
JHAAC, Room 1B.7
Baltimore, MD 21224 map

Activities & Honors


  • Phi Beta Kappa
  • Alpha Omega Alpha
  • Omicron Delta Kappa
  • Henry Strong Denison Research Award, Johns Hopkins School of Medicine
  • Diplomate, National Board of Medical Examiners, 1979
  • Diplomate, American Board of Internal Medicine, 1981
  • Diplomate, American Board of Internal Medicine (Rheumatology), 1984


  • American College of Physicians
  • American College of Rheumatology


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