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

William Louis Macias, MD

Individual provider Nephrology Physician · NPI 1215463955

William Louis Macias, MD is a Nephrology Physician in Indianapolis, Indiana. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
In the registry since
2017
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

9129 Log Run Dr S
Indianapolis, IN 46234-1343
Phone: (317) 291-7862
Show map & directions

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

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 01037069A (IN)

Record details

NPI number1215463955
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 1, 2017
Last updated in NPPESMay 1, 2017

Other providers in Indianapolis