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Meet Our Team of Adult Diabetes Care Providers at UMass Memorial Health

Working as a team to assist you with all aspects of diabetes management. Personalized care includes endocrinologists, behavioral psychologists, nurse practitioners, certified diabetes educators, registered dietitians, licensed practical nurses and patient care assistants.

Schedule or Cancel an Appointment; Urgent Medical Issues Related to Diabetes
Call (508) 334-3206, Monday - Friday, 8am - 5pm  

After Hours, Weekends and Holidays
Call (508) 334-1000. Ask the operator to page the adult endocrinologist on call 

New Appointments: 855-UMASS MD

Endocrinologists & Specialists

  • Asem K. Ali

    Asem K. Ali, MD

    Director, Diabetes Services at Health Alliance and Community Diabetes Partnership Program

    Medical School: Omdurman Islamic University, Sudan
    Residency: Texas Tech University School of Medicine
    Fellowship: National Institutes of Health 
    Interest: Adipose Tissue Regulation in Diabetes

    Clinical Profile       Featured Article

  • Julie R. Chan

    Julie R. Chan, MD

    Medical School: Tufts University School of Medicine

    Residency: Lahey Hospitals and Medical Center

    Fellowship: Lahey Clinic Medical Center

  • Leslie J. Domalik

    Leslie J. Domalik, MD

    Medical Director of Inpatient Diabetes Services

    Medical School: University of Pittsburgh School of Medicine
    Residency: Duke University Medical Center
    Fellowships: Duke University Medical Center 

    Clinical Profile     Featured Article       

  • Richard A. Haas

    Richard A. Haas, MD, FACE

    Director of Gestational Diabetes

    Medical School: University of California at San Francisco
    Residency: Mount Sinai Medical Center & University Health Center of Pittsburgh
    Fellowship: Columbia Presbyterian Medical Center  

    Clinical Profile    Gestational Diabetes Care 

  • David M. Harlan

    David M. Harlan, MD

    William and Doris Krupp Chair in Diabetes, Co-Director, Diabetes Center of Excellence at UMass Chan Medical School

    Medical School: Duke University School of Medicine

    Residency & Fellowship: Duke University Medical Center

    Interests: Tolerance Mechanisms and Tissue Transplantation, Beta Cell Biology, Improving Diabetes Care Systems

     Clinical Profile    Research Lab

  • Andrea Kassai

    Andrea Kassai, MD, PhD

    Education: University of Debrecen, Hungary Medical & Health Sciences Centre
    Residency: Memorial Hospital of Rhode Island, Alpert Medical School of Brown University
    Fellowship: National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health

    Interest: Lipdystrophy 

    UMass Profile

  • Samir Malkani

    Samir Malkani, MD

    Clinical Chief, Division of Endocrinology & Diabetes, UMass Memorial Health and UMass Chan Medical School

    Medical School: All-India Institute of Medical Sciences
    Residency: Griffin Hospital, Yale University School of Medicine
    Fellowship: UMass Memorial Medical Center, UMass Graduate Medical Education 

    Interest: Diabetes and Population Health

    Clinical Profile   

  • Matthew A. Niemi

    Matthew A. Niemi, MD

    Medical School: Tufts University School of Medicine
    Residency: Beth Israel Deaconess Medical Center
    Fellowship: Beth Israel Deaconess Medical Center

    Interests: Diabetic Kidney Disease and Care

    Clinical Profile     

  • Mark O'Connor

    Mark O'Connor, MD

    Medical School: University of Massachusetts Medical School
    Residency: Mary Hitchcock Memorial Hospital
    Fellowship: Massachusetts General Hospital
    Interests: Clinical Research for Type 1 and Type 2 Diabetes, Genetic Causes of Endocrine Disease
    Clinical Profile   Care Team Spotlight Article

  • Vrushali Shah

    Vrushali Shah, MD

    Medical School: Pramukhswami Medical College, India
    Residency: University of Tennessee College of Medicine
    Fellowship:University of Pittsburgh School of Medicine 
    Interests: Diabetes & Cardiometabolic Health, Diabetes Technology, Neuroendocrinology 
    Clinical Profile

  • Prateek Shukla

    Prateek Shukla, MD

    Medical School: Maulana Azad Medical College, India
    Residency: University of Connecticut
    Fellowship: Beth Israel Deaconess Medical Center and Joslin Diabetes Center
    Interests: Diabetes Technology,  Improving Diabetes Care Systems

    Care Team Spotlight Article

  • Michael Thompson

    Michael Thompson, MD

    Medical School: University of Massachusetts Medical School
    Residency: UMass Memorial Medical Center, UMass Graduate Medical Education
    Fellowship: Duke University Medical Center 

    Interests: Clinical Trials and New Diabetes Treatment

    Clinical Profile   

  • Alicia L. Warnock

    Alicia L. Warnock, MD

    Medical School: Uniformed Services University of the Health Sciences
    Residency: Naval Medical Center Portsmouth
    Fellowship: National Capital Consortium, F. Edward Hébert School of Medicine
    Interests: Insulin Pumps, Obesity & Weight Management
    Clinical Profile   Care Team Spotlight Article

Licensed Practical Nurses

Patient Care Assistants

Melissa Schnauber, LPN Jennette Alexander
Betty Jo Shea, LPN Margaret Kwarteng
  Viviana Laracuente
  Maribelys Lopez
  Felicia Mercier
  Jennifer Montanez
  Virgen Rivera

Ambulatory Service Representatives

Senior Medical Administrative Secretaries

Lee Ann Cipro Elizabeth Collins
Nathen Ford Lawrence Madden
Haneen Jawad Shioban Mariscal
Randy Henry Sonia Ortiz 
Dawn Holloway Annie Rivera 
Cynthia Ten Paula Yockel
Wendy Titchen  

Administrative Staff

Cheryl Barry, RN, CDCES, Manager of Diabetes Education
Sandi Durand, RN, Nurse Manager  
Lisa Hubacz, Operations Supervisor