Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Catherine M Marino, AU.D.,CCC/A
Audiologist in Exton, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1306862362
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Registry record
Entity type Individual (Type 1)
Name Dr. Catherine M Marino
Credential AU.D.,CCC/A
Sex Female
Practice address 80 W Welsh Pool Rd, Suite 103, Exton, PA, 19341
Phone (610) 363-2532
Fax (610) 363-0210
Enumeration date Jul 14, 2006
Last updated in NPPES Jun 22, 2010
Taxonomy & licenses
231H00000X Audiologist Speech, Language and Hearing Service Providers · License AT000461L (PA) Primary
AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders.
About the AUD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01650378-01 | Other | PA | AMERICHOICE |
| 294019 | Other | PA | INDEPENDENCE BLUE CROSS |
| 0461605000 | Other | PA | KEYSTONE HEALTH PLAN EAST |
| 1154155 | Other | PA | KEYSTONE MERCY HEALTH PLA |
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 specialty is Catherine Marino?
Catherine Marino is registered in NPPES with the primary taxonomy of Audiologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-22.