Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Keith Daniel Petrosky, PHD
Psychologist in Exton, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1699733261
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Registry record
Entity type Individual (Type 1)
Name Dr. Keith Daniel Petrosky
Credential PHD
Sex Male
Practice address 308 Exton Cmns, Exton, PA, 19341
Phone (610) 363-6155
Fax (610) 363-6116
Enumeration date May 3, 2006
Last updated in NPPES Aug 20, 2024
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PS004244L (PA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0390500000 | Other | PA | AMERIHEALTH |
| 001662734 | Other | PA | IBC PERSONAL CHOICE |
| 2123008 | Other | PA | UNITED HEALTHCARE |
| 354872000 | Other | PA | MAGELLAN |
| 2119379 | Other | PA | CIGNA |
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
Where does Keith Petrosky practice?
The practice location on file with NPPES is in Exton, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Keith Petrosky?
The National Provider Identifier (NPI) for Keith Petrosky is 1699733261, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-20.