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

Donna Lettieri-Marks, Psy D , Ltd

Organization Adult Mental Health Clinic/Center · NPI 1649418518

Donna Lettieri-Marks, Psy D , Ltd is an Adult Mental Health Clinic/Center in Naperville, Illinois. Licensed in Illinois. Registered with an NPI since 2009.

Licensed in
IL
In the registry since
2009
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

55 S Main St Ste 371
Naperville, IL 60540-5372
Phone: (630) 904-6610
Fax: (630) 544-3429
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Adult Mental Health Clinic/Center (primary) Taxonomy 261QM0850X · Licence 071-005423 (IL)

Record details

NPI number1649418518
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Donna Lettieri-Marks — Clinical Psychologist/Owner · (630) 904-6610
NPI enumeratedJanuary 29, 2009
Last updated in NPPESJanuary 29, 2009
Mailing address55 S Main St, Suite 371, Naperville, IL 60540-5372

Other providers in Naperville