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

William H Baker, MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1578529046

William H Baker, MD is an Allergy & Immunology (Internal Medicine) Physician in Indianapolis, Indiana. Licensed in Indiana. Registered with an NPI since 2006.

Licensed in
IN
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

1481 W 10th St
Indianapolis, IN 46202-2803
Phone: (317) 988-3190
Show map & directions

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

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence 01046875 (IN)

Record details

NPI number1578529046
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2006
Last updated in NPPESOctober 5, 2023
Certification dateOctober 5, 2023
Mailing address1481 W 10th St, Indianapolis, IN 46202-2803

Other providers in Indianapolis