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

Michael Castellarin, MD

Individual provider Internal Medicine Physician · NPI 1467807610

Michael Castellarin, MD is an Internal Medicine Physician in Aurora, Colorado. Licensed in Colorado. Registered with an NPI since 2016.

Licensed in
CO
In the registry since
2016
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

12605 E 16th Ave
Aurora, CO 80045-2545
Phone: (720) 848-0000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DR.0066634 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.0066634 (CO)

Record details

NPI number1467807610
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2016
Last updated in NPPESAugust 14, 2021
Certification dateJune 7, 2021
Mailing addressPo Box 110429, Aurora, CO 80042-0429

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