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Dr. Sarah Haessler, MD
Internist, Infectious Disease Specialist (virus, bacteria, parasites)
12 years of experience
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Sarah Haessler is Excellent. Dr. Haessler has been reviewed by 3 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Sarah Haessler, MD is board certified in Internal Medicine and Infectious Disease.

  • She has special expertise in 3 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • HIV Infections
  • Hepatitis C

Education & Awards

Dr. Haessler graduated from George Washington University.


Dr. Haessler has 6 hospital affiliations:

  • Baystate Mary Lane Hospital 
  • Mercy Medical Center 


  • French
  • Greek
  • Chinese
  • Portuguese
  • Italian
  • Russian
  • Polish
  • Spanish
  • Vietnamese

> > > > Dr. Sarah Haessler, MD

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Additional Information
Dr. Sarah Haessler MD is a female Internist, has 12 years of experience and practices in Internal Medicine and Infectious Disease.
Where does Dr. Sarah Haessler practice?
Dr. Sarah Haessler has 4 office locations.
Dr. Sarah Haessler practices Internal Medicine and Infectious Disease near Springfield, MA.
Additional practice locations include: Holyoke, MA.
See Springfield Internists and Springfield Infectious Disease Doctors.