Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marjorie L Lenox, NP
Nurse Practitioner in Elkhorn, WI · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851695845
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Registry record
Entity type Individual (Type 1)
Name Marjorie L Lenox
Credential NP
Sex Female
Practice address W3985 County Road Nn, Elkhorn, WI, 53121
Phone (262) 741-2000
Fax (262) 741-2180
Enumeration date Jan 5, 2011
Last updated in NPPES Dec 4, 2024
Taxonomy & licenses
363LN0000X Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209008270 (IL) Secondary
363LN0005X Critical Care Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209008270 (IL) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 102254 (WI) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100096448 | Medicaid | WI | - |
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 Marjorie Lenox?
Marjorie Lenox is registered in NPPES with the primary taxonomy of Nurse Practitioner. 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 2024-12-04.