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

Alexander R Santos, MD

Individual provider Pediatric Critical Care Medicine Physician · NPI 1831392901

Alexander R Santos, MD is a Pediatric Critical Care Medicine Physician in Duluth, Minnesota. Licensed in Michigan. Registered with an NPI since 2007.

Licensed in
MI
In the registry since
2007
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

400 E 3rd St
Duluth, MN 55805
Phone: (218) 786-8364
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence 4301082134 (MI)

Record details

NPI number1831392901
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2007
Last updated in NPPESAugust 19, 2008

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