Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John L Sullivan, PAC
Physician Assistant in Dover, DE · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548249477
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Registry record
Entity type Individual (Type 1)
Name John L Sullivan
Credential PAC
Sex Male
Practice address 540 S Governors Ave, Suite 101a, Dover, DE, 19904
Phone (302) 744-7980
Fax (302) 744-7989
Enumeration date Jan 10, 2006
Last updated in NPPES Aug 7, 2014
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License C50000356 (DE) Primary
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 John Sullivan practice?
The practice location on file with NPPES is in Dover, DE. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Sullivan?
The National Provider Identifier (NPI) for John Sullivan is 1548249477, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-07.