Ardsley Internal Medicine
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Meet the Staff



Doctor 1957 Picture


James A. Holt, MD
Specialty: Endocrinology

Medical Degree School
Medical College of Virginia
Richmond VA

Residency 
Internal Medicine
Northwestern University Medical School
Chicago IL

Fellowship 
Northwestern University Medical School
Endocrinology

Board Certified 
American Board of Internal Medicine
Board of Endocrinology, Diabetes and Metabolism

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Craig J. Speiser, DO
Specialty: Endocrinology

Osteopathic Medical School
New York Osteopathic Medicine
Old Westbury NY

Residency 
Internal Medicine
Winthrop University Hospital
Mineola NY

Fellowship 
Winthrop University Hospital
Endocrinology

Board Certified 
American Board of Internal Medicine
Board of Endocrinology, Diabetes and Metabolism

Doctor 1353 Picture


Tony L. Walden, MD
Specialty: Endocrinology

Medical Degree School
University of North Carolina School of Medicine
Chapel Hill NC

Residency 
Internal Medicine
Fitzsimons Army Medical Center
Aurora CO

Fellowship 
Fitzsimons Army Medical Center
Endocrinology

Board Certified 
Board of Endocrinology, Diabetes and Metabolism
American Board of Internal Medicine