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

Dr. Gregory A Ippen, MD

Individual provider Internal Medicine Physician · NPI 1629194188

Dr. Gregory A Ippen, MD is an Internal Medicine Physician in Denver, Colorado. Licensed in Colorado. Registered with an NPI since 2007.

Licensed in
CO
In the registry since
2007
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

1835 Franklin St Cpmg Hospitalist Services 5th Fl
Denver, CO 80218-1126
Phone: (303) 338-4545
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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 23978 (CO)

Record details

NPI number1629194188
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2007
Last updated in NPPESMarch 11, 2016

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