Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Heather Sassman, PHD

Clinical Psychologist in Belleville, IL · enumerated 2018 · practices at Wildflower Behavioral Health Services, LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1346734951

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Heather Sassman

Credential PHD

Sex Female

Practice address 144 Lincoln Place Ct Ste 3, Belleville, IL, 62221

Phone (618) 671-9283

Enumeration date Jun 18, 2018

Last updated in NPPES Jun 23, 2025

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 06219 (MD) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 2021036324 (MO) Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 071021005 (IL) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Heather Sassman practice?

The practice location on file with NPPES is in Belleville, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Heather Sassman?

The National Provider Identifier (NPI) for Heather Sassman is 1346734951, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Wildflower Behavioral Health Services, LLC Mental Health Clinic/Center (Including Community Mental Health Center) · Belleville, IL NPI 1346030756

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-23.