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

John J Pieniazek, MD

Individual provider Family Medicine Physician · NPI 1740360163

John J Pieniazek, MD is a Family Medicine Physician in Red Lake, Minnesota. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
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

Hwy 1
Red Lake, MN 56671
Phone: (218) 679-3912
Fax: (218) 679-0181
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 336-072015 (IL)

Record details

NPI number1740360163
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 17, 2006
Last updated in NPPESFebruary 29, 2008
Mailing addressBox 497, Indian Health Service, Red Lake, MN 56671

Other providers in Red Lake