Individual
MR. DERWIN T CALLAHAN
Active
Individual
MR. DERWIN T CALLAHAN
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Taxonomy
Speciality
Code
Description
License number
State
171M00000X
Case Manager/Care Coordinator
—
—
172V00000X
Community Health Worker
Primary
—
—
320700000X
Physical Disabilities Residential Treatment Facility
—
—
Other
Enumeration date
10/19/2017
Last updated
12/03/2025
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