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

Dr. Leonard Hart Armstrong, MD

Individual provider Surgery Physician · NPI 1538314695

Dr. Leonard Hart Armstrong, MD is a General Surgery in Saint Paul, Minnesota. Graduated from Washington University School of Medicine in 2006, 20 years ago. Practices with Group Health Plan Inc, a 1,633-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
20
Trained at
Washington University School of Medicine
Licensed in
MN
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

401 Phalen Blvd
Saint Paul, MN 55130-5302
Phone: (651) 254-7980
Fax: (651) 254-7969
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 701 Dellwood St S, Cambridge, MN 55008-1920 — (763) 689-7700

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 51319 (MN)

Record details

NPI number1538314695
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 17, 2008
Last updated in NPPESJanuary 28, 2025
Certification dateJanuary 28, 2025

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Also practisesCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Group Health Plan Inc — 1633 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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