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

Individual provider Emergency Medicine Physician · NPI 1649220955

Dr. Irene Tien, MD is an Emergency Medicine Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
Specialties on file
2
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

91 E Concord St Rm 6215
Boston, MA 02118-2644
Phone: (617) 414-4397
Fax: (617) 414-4393
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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 159223 (MA)
Pediatric Emergency Medicine (Emergency Medicine) Physician Taxonomy 207PP0204X · Licence 159223 (MA)

Record details

NPI number1649220955
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2006
Last updated in NPPESJuly 13, 2026

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