Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sarah D Haessler, MD

Individual provider Infectious Disease Physician · NPI 1356446140

Sarah D Haessler, MD is an Infectious Disease in Springfield, Massachusetts. Graduated from George Washington University School of Medicine in 1999, 27 years ago. Practices with Baystate Medical Practices Inc, a 1,346-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
27
Trained at
George Washington University School of Medicine
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3300 Main St 3rd Fl Ste C&d
Springfield, MA 01107-1112
Phone: (413) 794-7394
Fax: (413) 794-7136
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3300 Main St, Springfield, MA 01107-1112 — (413) 794-7394

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 224421 (MA)

Record details

NPI number1356446140
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 14, 2006
Last updated in NPPESJanuary 5, 2018
Mailing address280 Chestnut St, 2nd Floor, Springfield, MA 01199-1001

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINFECTIOUS DISEASE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Baystate Medical Practices Inc — 1346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Springfield