Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nancy L.M. Lilliott, RN NP
Nurse Practitioner in Oceanside, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255390910
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Registry record
Entity type Individual (Type 1)
Name Nancy L.M. Lilliott
Credential RN NP
Sex Female
Practice address 3905 Waring Rd, Oceanside, CA, 92056
Phone (760) 724-9000
Fax (760) 724-3686
Enumeration date Mar 21, 2006
Last updated in NPPES Oct 30, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NP11643 (CA) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 92056B009 | Other | CA | CHAMPUS |
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
How do I verify Nancy Lilliott's NPI record?
Cross-check NPI 1255390910 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1255390910 active?
Yes, as of the latest NPPES snapshot, NPI 1255390910 is active (record last updated 2007-10-30).
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-30.