National Provider Identifier Database

IRENE TIEN, MD – NPI #1649220955
Emergency Medicine

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.


Contact Information

IRENE TIEN, MD
91 E CONCORD ST
RM 6215
BOSTON, MA02118-2644
Phone: 617-414-4397
Fax: 617-414-4393
Website:
Specialty Taxonomy Code
* Emergency Medicine 207P00000X
Pediatric Emergency Medicine 207PP0204X

* Indicates primary specialty

NPI Profile & details for IRENE TIEN

NPI Number 1649220955
Credentials MD
Entity Individual
Enumeration date 05/10/2006
Last updated 09/11/2025 - About 9 months ago
Sole proprietor1 Not specified
Identifiers
  • MA License #: 159223
  • MA Medicaid: 3193233
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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