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

Dr. William T. Holland, MD

Individual provider Internal Medicine Physician · NPI 1114087293

Dr. William T. Holland, MD is an Internal Medicine Physician in Phoenix, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
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

4616 N 51st Ave Ste 203B
Phoenix, AZ 85031-1721
Phone: (623) 846-5407
Fax: (623) 845-0890
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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 10652 (AZ)

Record details

NPI number1114087293
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 11, 2006
Last updated in NPPESJune 13, 2014

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