Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Peter G Killian, RN
Registered Nurse in Lindenhurst, NY · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578397030
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Registry record
Entity type Individual (Type 1)
Name Mr. Peter G Killian
Credential RN
Sex Male
Practice address 135 W Lake Dr, Lindenhurst, NY, 11757
Phone (631) 921-7610
Enumeration date Aug 28, 2024
Last updated in NPPES Aug 28, 2024
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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.
Frequently asked questions
What is the NPI number for Peter Killian?
The National Provider Identifier (NPI) for Peter Killian is 1578397030, a Type 1 (individual) record in the CMS NPPES registry.
Where does Peter Killian practice?
The practice location on file with NPPES is in Lindenhurst, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-28.