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

Dr. Mihaela S Stefan, MD

Individual provider Internal Medicine Physician · NPI 1114911088

Dr. Mihaela S Stefan, MD is an Internal Medicine Physician in Boulder, Colorado. Licensed in Colorado and Massachusetts. Registered with an NPI since 2005.

Licensed in
CO, MA
In the registry since
2005
Specialties on file
3
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

2735 5th St
Boulder, CO 80304-3229
Phone: (516) 581-3013
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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 DR.0074949 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 223648 (MA)
Hospitalist Physician Taxonomy 208M00000X · Licence 223648 (MA)

Record details

NPI number1114911088
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 7, 2005
Last updated in NPPESApril 25, 2025
Certification dateApril 25, 2025

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