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

Dr. William David Holland, MD

Individual provider Internal Medicine Physician · NPI 1609833649

Dr. William David Holland, MD is an Internal Medicine Physician in Fort Collins, Colorado. Licensed in Colorado and Tennessee. Registered with an NPI since 2006.

Licensed in
CO, TN
In the registry since
2006
Specialties on file
2
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

1100 Poudre River Dr
Fort Collins, CO 80524-3500
Phone: (970) 224-1550
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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 32285 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD19497 (TN)

Record details

NPI number1609833649
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2006
Last updated in NPPESJuly 12, 2010

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