Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Robert Michael O'Callaghan, PA

Individual provider Medical Physician Assistant · NPI 1518906254

Robert Michael O'Callaghan, PA is a Medical Physician Assistant in Vandalia, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

Licensed in
OH
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

55 Elva Ct
Vandalia, OH 45377-1875
Phone: (937) 208-7525
Fax: (937) 208-7515
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 50-00-0106 (OH)

Record details

NPI number1518906254
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESAugust 12, 2014