Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MARY B CALLAHAN, D.O.
Active Sole ProprietorMARY B CALLAHAN, D.O. is a Cardiovascular Disease healthcare provider located in SANDWICH, Massachusetts. NPI 1518968882 is currently active in the NPPES registry. Verify at CMS.
Cardiovascular Disease · SANDWICH, MA
Registration Details
- NPI Number
- 1518968882
- Provider Type
- Individual
- Gender
- Female
- NPI Issued
- Aug 9, 2005 (20.989724564736 yrs)
- Last Updated
- Mar 4, 2026
- License
-
160179 (MA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
68A ROUTE 6APOST OFFICE BOX 1757SANDWICH, MA, 025631757Browse MA providers · Browse ZIP 02563
- Phone
- 7744135457
- Fax
- 7734135985
- Primary Specialty
-
Cardiovascular Disease
207RC0000X
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.