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

Dr. Justin Gregory Hammar, MD

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1427437102

Dr. Justin Gregory Hammar, MD is a Neonatal-Perinatal Medicine Physician in Minneapolis, Minnesota. Licensed in Minnesota. Registered with an NPI since 2015.

Licensed in
MN
In the registry since
2015
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

2104 22nd Ave S Apt 1
Minneapolis, MN 55404-3171
Phone: (612) 414-2363
Show map & directions

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

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence 63976 (MN)

Record details

NPI number1427437102
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 27, 2015
Last updated in NPPESJuly 1, 2021
Certification dateJuly 1, 2021

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