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

Susan Y. Ly, MD

Individual provider Emergency Medicine Physician · NPI 1164682415

Susan Y. Ly, MD is an Emergency Medicine Physician in Worcester, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2008.

Licensed in
MA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

55 Lake Ave N Dept OF Emergency Medicine
Worcester, MA 01655-0002
Phone: (508) 421-1400
Fax: (508) 421-1490
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 246431 (MA)

Record details

NPI number1164682415
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2008
Last updated in NPPESJuly 2, 2012
Mailing address50 Pasadena Pkwy, Worcester, MA 01605-1635

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