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DR. MIHAELA S STEFAN MD
NPI 1114911088
Internal Medicine in Boulder, CO

Active since September 07, 2005
2735 5TH ST, BOULDER, CO 80304(516) 581-3013 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 12, 2018, May 19, 2016 (2 updates tracked since 2016).

About Dr. Mihaela S Stefan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MIHAELA S STEFAN MD (NPI 1114911088) is an individual internal medicine provider in Boulder, Colorado, licensed in Colorado (DR.0074949) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1114911088
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MIHAELA S STEFANCredential: MD
Location Address2735 5TH STBoulder, CO 80304-3229
Mailing Address2735 5th StBoulder, CO 80304-3229 · (516) 581-3013
Phone(516) 581-3013
Sole ProprietorNo
Enumeration DateSeptember 7, 2005
Last NPPES UpdateApril 25, 20252 updates tracked since enumeration
NPPES CertifiedApril 25, 2025
✔ NPI 1114911088 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CO · DR.0074949✔ Licensed in MA · 223648
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 223648 (MA)
2735 5TH ST, Boulder, CO 80304
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Other Identifiers 1

Medicaid110040687AMA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mihaela Stefan's NPI number?

The NPI number for Mihaela Stefan is 1114911088. It was assigned to this individual provider in the NPPES registry on September 7, 2005.

Where is Mihaela Stefan located?

Mihaela Stefan practices at 2735 5th St, Boulder, CO 80304. The listed phone number is (516) 581-3013.

What is Mihaela Stefan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Mihaela Stefan was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.