Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William Walter Holt, MD, PHD

Individual provider Internal Medicine Physician · NPI 1386088672

Dr. William Walter Holt, MD, PHD is an Internal Medicine Physician in Depauw, Indiana. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
In the registry since
2013
Specialties on file
3
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.

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Practice location Address checks out

10002 Mudd Ln NW
Depauw, IN 47115-9173
Phone: (812) 633-4647
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01059297A (IN)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 01059297A (IN)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 01059297A (IN)

Record details

NPI number1386088672
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedApril 17, 2013
Last updated in NPPESApril 17, 2013