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

John D Mahoney, MD

Individual provider Internal Medicine Physician · NPI 1730223512

John D Mahoney, MD is an Internal Medicine Physician in Westminster, Colorado. Works from 2 locations. Licensed in Colorado.

Licensed in
CO
In the registry since
2007
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

11245 Huron St
Westminster, CO 80234-2806
Phone: (303) 338-4545
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2345 Bent Way, Longmont, CO 80501-7614 — (303) 338-3800

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 30667 (CO)

Record details

NPI number1730223512
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 16, 2007
Last updated in NPPESJune 21, 2021
Certification dateJune 21, 2021
Mailing address10350 E Dakota Ave, Denver, CO 80247-1314

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