Alan Baer
Experienced in Lupus Nephritis

Dr. Alan Baer

Rheumatology
Johns Hopkins Medicine
Johns Hopkins Bayview Medical Center
5501 Hopkins Bayview Circle, Floor 1, Floor 1, 
Baltimore, MD 

Experienced in Lupus Nephritis
Johns Hopkins Medicine
Johns Hopkins Bayview Medical Center
5501 Hopkins Bayview Circle, Floor 1, Floor 1, 
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

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.

Dr. Baer is rated as an Experienced provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Sjogren Syndrome, Rheumatoid Arthritis (RA), Arthritis, and Interstitial Keratitis.

His clinical research consists of co-authoring 136 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 2 articles in the study of Lupus Nephritis.

Residency
Vanderbilt University Medical Center, Internal Medicine, 1981
Specialties
Rheumatology
Licenses
Internal Medicine in NY
Board Certifications
American Board Of Internal Medicine
Fellowships
Vanderbilt University Medical Center, Rheumatology, 1983
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
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  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Locations

Johns Hopkins Bayview Medical Center
5501 Hopkins Bayview Circle, Floor 1, Floor 1, Baltimore, MD 21224
Call: 443-997-1552
Other Locations
Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Bayview Medical Offices, Level 01 (G), Clinic 5, Baltimore, MD 21224
Call: 443-997-1552

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


136 Total Publications

Plain language summary: treatment of Sjögren's disease with dazodalibep.
Plain language summary: treatment of Sjögren's disease with dazodalibep.
Journal: Immunotherapy
Published: November 07, 2025
View All 136 Publications
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Distinguished in Lupus Nephritis
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Distinguished in Lupus Nephritis
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Baltimore, MD 
 (5.1 miles away)
443-997-1552
Languages Spoken:
English, Farsi, Romanian
See accepted insurances
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Dr. Homa Timlin is an assistant professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include systemic lupus erythematosus, and lupus nephritis. Dr. Timlin serves on the faculty of the Johns Hopkins Consultative Rheumatology Clinic. A member of the Royal College of Physicians, Dr. Timlin earned her medical degree at Romania’s Universitatea de Medicana Si Farmacie Carol Davila. Upon completion of rheumatology fellowships, Oxford in the United Kingdom and an internal medicine residency in the United States, she joined the Johns Hopkins Lupus Center in 2011. After a one-year postdoctoral lupus fellowship under the mentorship of Dr. Michelle Petri, she finished her post-doctoral fellowship in rheumatology at Johns Hopkins. She also holds a master’s degree in clinical immunology (London University), MRCP diploma (Member of the Royal College of Physicians), Certificate of Completion of Specialty Training (CCST). Dr. Timlin has been an active educator who works with trainees at all levels, nationally and internationally, in the inpatient and outpatient settings. Presently, Dr. Timlin has established a retrospective cohort of several hundred patients with lupus and lupus nephritis, and site lead at the Johns Hopkins Bayview Medical Center. Dr. Timlin is the medical chair for the local chapter of Lupus Foundation of America (LFA) and the director of an IRB-approved prospective human diagnostic study using magnetic resonance imaging (MRI) to evaluate lupus nephritis. This provider is registered with the Florida Department of Health to perform telehealth services for patients in Florida. Dr. Timlin is rated as a Distinguished provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Lupus Nephritis, Systemic Lupus Erythematosus (SLE), Discoid Lupus Erythematosus (DLE), and Cutaneous Lupus Erythematosus (CLE).

VIEW MORE LUPUS NEPHRITIS DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Baer's expertise for a condition
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  • Elite
  • Sjogren Syndrome
    Dr. Baer is
    Elite
    . Learn about Sjogren Syndrome.
    See more Sjogren Syndrome experts
  • Distinguished
  • Arthritis
    Dr. Baer is
    Distinguished
    . Learn about Arthritis.
    See more Arthritis experts
  • Gout
    Dr. Baer is
    Distinguished
    . Learn about Gout.
    See more Gout experts
  • Interstitial Keratitis
    Dr. Baer is
    Distinguished
    . Learn about Interstitial Keratitis.
    See more Interstitial Keratitis experts
  • Rheumatoid Arthritis (RA)
    Dr. Baer is
    Distinguished
    . Learn about Rheumatoid Arthritis (RA).
    See more Rheumatoid Arthritis (RA) experts
  • Advanced
  • Cryoglobulinemia
    Dr. Baer is
    Advanced
    . Learn about Cryoglobulinemia.
    See more Cryoglobulinemia experts
  • Familial Mixed Cryoglobulinemia
    Dr. Baer is
    Advanced
    . Learn about Familial Mixed Cryoglobulinemia.
    See more Familial Mixed Cryoglobulinemia experts
  • Granulomatosis with Polyangiitis
    Dr. Baer is
    Advanced
    . Learn about Granulomatosis with Polyangiitis.
    See more Granulomatosis with Polyangiitis experts
  • Relapsing Polychondritis
    Dr. Baer is
    Advanced
    . Learn about Relapsing Polychondritis.
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  • Scleritis
    Dr. Baer is
    Advanced
    . Learn about Scleritis.
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  • Vasculitis
    Dr. Baer is
    Advanced
    . Learn about Vasculitis.
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  • Experienced
  • Acute Febrile Neutrophilic Dermatosis
    Dr. Baer is
    Experienced
    . Learn about Acute Febrile Neutrophilic Dermatosis.
    See more Acute Febrile Neutrophilic Dermatosis experts
  • Ankylosing Spondylitis
    Dr. Baer is
    Experienced
    . Learn about Ankylosing Spondylitis.
    See more Ankylosing Spondylitis experts
  • Antisynthetase Syndrome
    Dr. Baer is
    Experienced
    . Learn about Antisynthetase Syndrome.
    See more Antisynthetase Syndrome experts
  • Axial Spondyloarthritis (AxSpA)
    Dr. Baer is
    Experienced
    . Learn about Axial Spondyloarthritis (AxSpA).
    See more Axial Spondyloarthritis (AxSpA) experts
  • Dermatomyositis
    Dr. Baer is
    Experienced
    . Learn about Dermatomyositis.
    See more Dermatomyositis experts
  • Eosinophilia-Myalgia Syndrome
    Dr. Baer is
    Experienced
    . Learn about Eosinophilia-Myalgia Syndrome.
    See more Eosinophilia-Myalgia Syndrome experts
View All 22 Experienced Conditions
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