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

Briar L. Duffy, MD

Individual provider Internal Medicine Physician · NPI 1275578452

Briar L. Duffy, MD is an Internal Medicine in Minneapolis, Minnesota. Graduated from Medical College of Wisconsin in 2006, 20 years ago. Practices with Fairview Health Services, a 678-clinician group and accepts Medicare assignment. Licensed in Minnesota and Pennsylvania.

Years since qualifying
20
Trained at
Medical College of Wisconsin
Licensed in
MN, PA
In the registry since
2006
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

424 Harvard St SE
Minneapolis, MN 55455-0362
Phone: (612) 273-5700
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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 54093 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD437120 (PA)

Record details

NPI number1275578452
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 19, 2006
Last updated in NPPESMay 22, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2006 (20 years in practice)
Group practice Fairview Health Services — 678 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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