Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Heidi Guzik, AUD
Audiologist in Fairfield, CT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205890852
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Registry record
Entity type Individual (Type 1)
Name Dr. Heidi Guzik
Credential AUD
Sex Female
Practice address 1305 Post Road Suite 302, Richard Levin MD & Lawrence J. Fliegelmon MD LLC, Fairfield, CT, 06824
Phone (203) 259-4700
Fax (203) 259-0328
Enumeration date Apr 12, 2006
Last updated in NPPES Sep 30, 2025
Taxonomy & licenses
AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders.
About the AUD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 41145000 | Medicaid | WI | - |
| 60646 | Other | WI | DEAN HEALTH INSURANCE |
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.
Frequently asked questions
What is the NPI number for Heidi Guzik?
The National Provider Identifier (NPI) for Heidi Guzik is 1205890852, a Type 1 (individual) record in the CMS NPPES registry.
Where does Heidi Guzik practice?
The practice location on file with NPPES is in Fairfield, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-30.