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

Dr. Roy Allen Defries, MD

Individual provider Family Medicine Physician · NPI 1881655793

Dr. Roy Allen Defries, MD is a Family Medicine Physician in Evansville, Indiana. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3524 N 1st Ave
Evansville, IN 47710-3320
Phone: (812) 425-1555
Fax: (812) 425-1815
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 01031109 (IN)

Record details

NPI number1881655793
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 30, 2006
Last updated in NPPESSeptember 15, 2014

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