Shannon Allegretti, PSY.D.
NPI 1407989080 · Clinical Psychologist · Naperville, IL
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Allegretti, PSY.D. is a Clinical Psychologist provider in Naperville, IL (NPI 1407989080).
Provider details
- NPI number
- 1407989080
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 071005853 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Psychologist103T00000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Shannon Allegretti's NPI number?
- Shannon Allegretti's National Provider Identifier (NPI) is 1407989080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Allegretti's specialty?
- Shannon Allegretti is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Shannon Allegretti located?
- Shannon Allegretti's practice location on file with NPPES is 640 S Washington St, Naperville, IL 60540-6603.
- What is Shannon Allegretti's phone number?
- The practice phone number listed in the NPPES registry for Shannon Allegretti is (815) 942-6323.
- Does Shannon Allegretti accept Medicare?
- Shannon Allegretti is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Allegretti's NPI active?
- Yes — Shannon Allegretti's NPI (1407989080) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.