Individual provider Active NPI

Marguerite Ruzich, RN, IBCLC

  • Lactation Consultant (Registered Nurse)
  • Baltimore, MD
National Provider Identifier
1295643724
Registry record updated Aug 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Lactation Consultant (Registered Nurse)Taxonomy code 163WL0100X
License
L322958 Issued in MD
Practice address
3125 Abell Ave
Baltimore, MD 21218-3412
Phone
(973) 897-9840
NPI assigned
Aug 27, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 27, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Lactation Consultant (Registered Nurse) 163WL0100X L322958 MD Primary
Registered Nurse 163W00000X R266931 MD
Registered Nurse 163W00000X 857827-01 NY
Registered Nurse 163W00000X RN500226612 DC

Addresses

Primary practice location

3125 Abell Ave
Baltimore, MD 21218-3412

Mailing address

3125 Abell Ave
Baltimore, MD 21218-3412

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1787788800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1295643724",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3125 ABELL AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212183412"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3125 ABELL AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212183412",
            "telephone_number": "973-897-9840"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUZICH",
        "first_name": "MARGUERITE",
        "credential": "RN, IBCLC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-08-27",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WL0100X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Lactation Consultant",
            "state": "MD",
            "license": "L322958",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MD",
            "license": "R266931",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NY",
            "license": "857827-01",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "DC",
            "license": "RN500226612",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.