Peace of Mind Psychological Services Inc
NPI 1427661685 · Clinical Psychologist · Warrenville, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peace of Mind Psychological Services Inc is a Clinical Psychologist organization in Warrenville, IL (NPI 1427661685).
Provider details
- NPI number
- 1427661685
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Olesia Shalayska, Owner(630) 686-8875
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Group Psychotherapy Psychologist103TP2701X
Behavioral Health & Social Service Providers
- Counseling Psychologist103TC1900X
Behavioral Health & Social Service Providers
- Family Psychologist103TF0000X
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 7110 W 127th St Ste 150Palos Heights, IL 60463-1579Phone: (630) 686-8875Fax: (630) 686-5445
Registry dates
- Enumerated
- 2020-08-27
- Last updated
- 2026-04-15
- Certified
- 2026-04-15
Frequently asked questions
- What is Peace of Mind Psychological Services Inc's NPI number?
- Peace of Mind Psychological Services Inc's National Provider Identifier (NPI) is 1427661685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peace of Mind Psychological Services Inc?
- Peace of Mind Psychological Services Inc is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Peace of Mind Psychological Services Inc located?
- Peace of Mind Psychological Services Inc's practice location on file with NPPES is 4320 Winfield Rd Ste 200, Warrenville, IL 60555-4023.
- What is Peace of Mind Psychological Services Inc's phone number?
- The practice phone number listed in the NPPES registry for Peace of Mind Psychological Services Inc is (630) 465-9030.
- Does Peace of Mind Psychological Services Inc accept Medicare?
- Peace of Mind Psychological Services Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Peace of Mind Psychological Services Inc?
- The authorized official listed on Peace of Mind Psychological Services Inc's NPPES record is Olesia Shalayska, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peace of Mind Psychological Services Inc's NPI active?
- Yes — Peace of Mind Psychological Services Inc's NPI (1427661685) is active in the NPPES registry as of the last update on 2026-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.