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

Dr. Joseph Marcus Overhage, MD, PHD

Individual provider Internal Medicine Physician · NPI 1720085186

Dr. Joseph Marcus Overhage, MD, PHD is an Internal Medicine Physician in Zionsville, Indiana. Licensed in Indiana. Registered with an NPI since 2005.

Licensed in
IN
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

4540 S 975 E
Zionsville, IN 46077-9554
Phone: (317) 873-9287
Fax: (317) 873-9287
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01038698A (IN)
Clinical Informatics Physician Taxonomy 2083C0008X · Licence 01038698A (IN)

Record details

NPI number1720085186
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 30, 2005
Last updated in NPPESDecember 2, 2019

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