Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Ellen Caslin, MD

Individual provider Emergency Medicine Physician · NPI 1164128435

Ellen Caslin, MD is an Emergency Medicine Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2023.

Licensed in
MA
In the registry since
2023
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

1 Deaconess Rd
Boston, MA 02215-5321
Phone: (617) 754-2400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 3019093 (MA)

Record details

NPI number1164128435
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2023
Last updated in NPPESSeptember 15, 2026
Certification dateSeptember 15, 2026

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