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

Dr. James Robert Hennessy, MD

Individual provider Pediatric Cardiology Physician · NPI 1588666838

Dr. James Robert Hennessy, MD is a Pediatric Cardiology Physician in Toledo, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2005
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

2222 Cherry St Ste 2800
Toledo, OH 43608-2675
Phone: (419) 936-6929
Fax: (419) 251-7761
Show map & directions

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

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence 35043054 (OH)

Record details

NPI number1588666838
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 1, 2005
Last updated in NPPESNovember 9, 2009
Mailing addressBox 472, Monroe, MI 48161-4022

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