Individual provider Active NPI

Cynthia Ann Madden, N.P.

  • Pediatric Nurse Practitioner
  • Delmar, DE
National Provider Identifier
1336296417
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
R072822 Issued in MD
Practice address
200 N 8TH St
Delmar High School Wellness Center
Delmar, DE 19940-1374
Phone
(302) 846-0303
Fax
(302) 846-0502
NPI assigned
Jan 4, 2007
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X LG-0000235 DE
Pediatric Nurse Practitioner 363LP0200X LJ-0000127 DE
Pediatric Nurse Practitioner 363LP0200X R072822 MD Primary

Addresses

Primary practice location

200 N 8TH St
Delmar High School Wellness Center
Delmar, DE 19940-1374

Mailing address

8300 Robin Hood Dr
Salisbury, MD 21804-2216
Phone (410) 749-5971

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
LG-0000235DEMDFamily Nurse Practitioner
LJ-0000127DEMDPediatric Nurse Practitioner
R072822MDMDPediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Nanticoke Wellness Seaford Past Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1167868800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1336296417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8300 ROBIN HOOD DR",
            "city": "SALISBURY",
            "state": "MD",
            "postal_code": "218042216",
            "telephone_number": "410-749-5971",
            "fax_number": "302-846-0502"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 N 8TH ST",
            "address_2": "DELMAR HIGH SCHOOL WELLNESS CENTER",
            "city": "DELMAR",
            "state": "DE",
            "postal_code": "199401374",
            "telephone_number": "302-846-0303",
            "fax_number": "302-846-0502"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MADDEN",
        "first_name": "CYNTHIA",
        "middle_name": "ANN",
        "name_prefix": "Ms.",
        "credential": "N.P.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-04",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "DE",
            "license": "LG-0000235",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "DE",
            "license": "LJ-0000127",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "MD",
            "license": "R072822",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Delmar, DE

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.