Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mary S. McMillan, MD

Individual provider Internal Medicine Physician · NPI 1861451221

Mary S. McMillan, MD practises Internal Medicine in Blaine, Minnesota. Graduated from Northwestern University Feinberg Medical School in 1993, 33 years ago. Practices with Allina Health System, a 3,867-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
33
Trained at
Northwestern University Feinberg Medical School
Licensed in
MN
In the registry since
2006
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

10705 Town Square Dr NE Ste 100
Blaine, MN 55449-8185
Phone: (763) 236-5400
Fax: (763) 236-5350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2800 Hennepin Ave S, Minneapolis, MN 55408-1906 — (612) 775-4800

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 40497 (MN)

Record details

NPI number1861451221
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2006
Last updated in NPPESNovember 10, 2020
Certification dateNovember 10, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1993 (33 years in practice)
Group practice Allina Health System — 3867 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients189
Services billed 1,317 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Allina Health System

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3867 clinicians in the practice; 12 are shown here.

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