Lillian Margaret Walton Masters, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

MT237349 Issued in PA

Practice address

1600 Rockland Rd Ste 3D16
Wilmington, DE 19803-3607

Phone

(302) 651-5874

Fax

(302) 651-5954

NPI assigned

Apr 29, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1777420800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779753600000",
    "number": "1720925803",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 ROCKLAND RD STE 3D16",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198033607",
            "telephone_number": "302-651-5874",
            "fax_number": "302-651-5954"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 ROCKLAND RD STE 3D16",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198033607",
            "telephone_number": "302-651-5874",
            "fax_number": "302-651-5954"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALTON MASTERS",
        "first_name": "LILLIAN",
        "middle_name": "MARGARET",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-29",
        "last_updated": "2026-05-26",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "PA",
            "license": "MT237349",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Andrew W. Walter, MD
• Rhonda S. Walter, MD
• Robert Walter, M.D.
• Stephanie G Walter, DO
• Jill Walters
• Loretta Walton
• Charity N. Wamae-Wanyoike, APN-BC
• Hannah Wambold, FNP-BC
• Erica Wanamaker-Liu
• Angela Wang, EDS

• Pediatrics Physician in Wilmington, DE
• Providers in Wilmington, DE by specialty
• Pediatrics Physician in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.