Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Diane E Duddy, AUD
Audiologist in Saint Louis, MO · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1952508756
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Registry record
Entity type Individual (Type 1)
Name Ms. Diane E Duddy
Credential AUD
Sex Female
Practice address 4921 Parkview Pl Ste 11a, Ste 11a, Saint Louis, MO, 63110
Phone (314) 362-7489
Fax (314) 747-5593
Enumeration date Jun 27, 2007
Last updated in NPPES Jan 24, 2018
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 |
|---|---|---|---|
| 1952508756 | Medicaid | MO | - |
| ENROLLED | Medicaid | IL | - |
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 Diane Duddy?
The National Provider Identifier (NPI) for Diane Duddy is 1952508756, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diane Duddy practice?
The practice location on file with NPPES is in Saint Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-24.