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

Sean Patrick Callahan, MD

Individual provider Family Medicine Physician · NPI 1194811828

Sean Patrick Callahan, MD is a Family Practice in Oak Harbor, Ohio. Graduated from University of Toledo College of Medicine in 1995, 31 years ago. Practices with Magruder Medical Group Ltd, a 13-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
31
Trained at
University of Toledo College of Medicine
Licensed in
OH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

11697 W State Route 163
Oak Harbor, OH 43449
Phone: (419) 898-0993
Fax: (419) 898-2444
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 35-07-4846 (OH)

Record details

NPI number1194811828
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESOctober 6, 2020
Certification dateOctober 6, 2020
Mailing address11697 W State Route 163, Oak Harbor, OH 43449

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Magruder Medical Group Ltd — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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