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

Cathleen M Cregier, APN

Individual provider Internal Medicine Physician · NPI 1245227271

Cathleen M Cregier, APN is an Internal Medicine Physician in Naperville, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

120 Spalding Dr Ste 310
Naperville, IL 60540-6508
Phone: (630) 527-7780
Fax: (630) 527-7777
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)

Record details

NPI number1245227271
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESJuly 13, 2026
Mailing address120 Spalding Dr, Suite 310, Naperville, IL 60540-6508

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