Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Janette Arlene Marston-Nelson, M.D.
Specialist in Newark, DE · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1164559233
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Janette Arlene Marston-Nelson
Credential M.D.
Sex Female
Practice address Christiana Hosp 4755 Ogletown-Stanton Rd, C/O Academic Affairs, Suite 2a00;, Newark, DE, 19718
Phone (302) 733-4200
Enumeration date Feb 27, 2007
Last updated in NPPES Sep 24, 2025
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License C1-0007066 (DE) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1000027191 | Medicaid | DE | - |
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 Janette Marston-Nelson?
Janette Marston-Nelson is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-24.