Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Napolitano, DNP, RN
Registered Nurse in Morristown, NJ · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1508516071
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Registry record
Entity type Individual (Type 1)
Name John Napolitano
Credential DNP, RN
Sex Male
Practice address 100 Madison Ave, Morristown, NJ, 07960
Phone (973) 971-5000
Enumeration date Mar 26, 2022
Last updated in NPPES Mar 30, 2026
Taxonomy & licenses
225700000X Massage Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 18KT00382500 (NJ) Secondary
DNP · Doctor of Nursing Practice: A clinical doctorate for advanced practice nurses.
About the DNP 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
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.
What specialty is John Napolitano?
John Napolitano is registered in NPPES with the primary taxonomy of Registered Nurse. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-30.