Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Donna Lettieri-Marks, PSYD

Individual provider Clinical Psychologist · NPI 1346233665

Dr. Donna Lettieri-Marks, PSYD is a Clinical Psychologist in Naperville, Illinois. Qualified in 1995, 31 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
31
Licensed in
IL
In the registry since
2005
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

55 S Main St Ste 371
Naperville, IL 60540-5372
Phone: (630) 904-6610
Fax: (630) 544-3429
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X (IL)

Record details

NPI number1346233665
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedAugust 23, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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