DONNA LETTIERI-MARKS PSY.D. LTD NPI 1649418518

NPI Information

  • NPI: 1649418518
  • Provider Name: DONNA LETTIERI-MARKS, PSY.D., LTD
  • Classification: Clinic/Center - 261QM0850X
  • Specialization: Adult Mental Health
  • Entity Type: Organization
  • Address: 55 S MAIN ST
    SUITE 371
    NAPERVILLE, IL
    ZIP 60540
  • Phone: (630) 904-6610

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NPI Details

DONNA LETTIERI-MARKS, PSY.D., LTD is an adult mental health clinic center in Naperville, IL. The provider is an entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults. DONNA LETTIERI-MARKS, PSY.D., LTD NPI is 1649418518. The provider is registered as an organization entity type.

The provider's business location address is:

55 S MAIN ST
SUITE 371
NAPERVILLE, IL
ZIP 60540-372
Phone: (630) 904-6610
Fax: (630) 544-3429

The provider's authorized official is Donna Lettieri-marks .
The authorized official title is Clinical Psychologist/owner and has the following contact phone number (630) 904-6610.

The enumeration date for this NPI number is 1/29/2009 and was last updated on 1/29/2009.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1261QM0850XClinic/CenterAdult Mental Health071-005423ILLINOISYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1357980OTHERILLINOISMEDICARE
21346233665OTHERNPI (INDIVIDUAL TYPE I NUMBER)

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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