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

Diana Sieciechowicz, MD

Individual provider Pediatrics Physician · NPI 1508192048

Diana Sieciechowicz, MD is a Pediatrics Physician in Winfield, Illinois. Licensed in Illinois. Registered with an NPI since 2009.

Licensed in
IL
In the registry since
2009
Specialties on file
2
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

25 N Winfield Road Pediatric Outpatient Center East Clinic
Winfield, IL 60190
Phone: (630) 933-6631
Show map & directions

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

Specialties & licences

Neurology with Special Qualifications in Child Neurology Physician (primary) Taxonomy 2084N0402X · Licence 125057110 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 125057110 (IL)

Record details

NPI number1508192048
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2009
Last updated in NPPESSeptember 21, 2015
Mailing address25 North Winfield Road, Pediatric Outpatient Center East Clinic, Winfield, IL 60190

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