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William O'Callahan, Md

Emergency Medicine

5 Shrewsbury St Ste D, Holden, MA 01520

Credentials

NPI Number
1114964186
Specialty Type
Emergency Medicine
Source record
NPPES NPI Registry

Contact Information

Practice Address
5 Shrewsbury St Ste D
Holden, MA 01520

Location

5 Shrewsbury St Ste D, Holden, MA, 01520

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Data sourced from the US National Provider Identifier (NPI) Registry — a public government database. NPI: 1114964186 · Verify on NPI Registry