=====================================================
General NPI Number Information
=====================================================
NPI Number | 1114917986
-----------------------------------------------------
Entity Type | Individual
-----------------------------------------------------
Provider Name | JEFFREY A GELFAND MD
-----------------------------------------------------
Gender | Male
-----------------------------------------------------
=====================================================
Dates
=====================================================
Enumeration Date | 10/24/2005
-----------------------------------------------------
Last Update Date | 09/11/2025
-----------------------------------------------------
=====================================================
Provider Practice Location Address
=====================================================
Address Line | 55 FRUIT ST S50-801 INFECTIOUS DISEASE ASSOCIATES
-----------------------------------------------------
City | BOSTON
-----------------------------------------------------
State | MA
-----------------------------------------------------
Zip | 02114-2621
-----------------------------------------------------
Country | US
-----------------------------------------------------
Telephone | 617-726-1796
-----------------------------------------------------
Fax |
-----------------------------------------------------
=====================================================
Provider Business Mailing Address
=====================================================
Address Line | PO BOX 9142 MASS GENERAL PHYSICIAN ORGANIZATION
-----------------------------------------------------
City | CHARLESTOWN
-----------------------------------------------------
State | MA
-----------------------------------------------------
Zip | 02129-9142
-----------------------------------------------------
Country | US
-----------------------------------------------------
Telephone | 617-724-0287
-----------------------------------------------------
Fax | 617-726-2894
-----------------------------------------------------
=====================================================
Authorized Official
=====================================================
Title or Position |
-----------------------------------------------------
Name |
-----------------------------------------------------
Credential |
-----------------------------------------------------
Telephone |
-----------------------------------------------------
=====================================================
Scope of Practice (Provider's specialty)
=====================================================
Taxonomy #1
-----------------------------------------------------
Taxonomy Code | 207K00000X
-----------------------------------------------------
Taxonomy Name | Allergy & Immunology Physician
-----------------------------------------------------
License Number | 40886
-----------------------------------------------------
License Number State | MA
-----------------------------------------------------
Taxonomy #2
-----------------------------------------------------
Taxonomy Code | 207RI0200X
-----------------------------------------------------
Taxonomy Name | Infectious Disease Physician
-----------------------------------------------------
License Number | 40886
-----------------------------------------------------
License Number State | MA
-----------------------------------------------------