National Provider Identifier Database

ELSA TREFFEISEN
Pediatric Allergy/Immunology


Contact Information

ELSA TREFFEISEN
300 LONGWOOD AVE
BOSTON, MA02115-5724
Phone: 617-355-6000
Fax:
Website:
Specialty Taxonomy Code
* Pediatric Allergy/Immunology 2080P0201X

* Indicates primary specialty

NPI Profile & details for ELSA TREFFEISEN

NPI Number 1780116954
Credentials
Entity Individual
Enumeration date 03/28/2017
Last updated 04/24/2023 - About 3 years ago
Sole proprietor1 No
Identifiers
  • MA License #: 282739
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.

Reviews for ELSA TREFFEISEN

There are currently no reviews for ELSA TREFFEISEN


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