Organization Active NPI

SL MD Urology LLC

  • Urology Physician
  • Wellesley, MA
National Provider Identifier
1447157615
Registry record updated Oct 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
Legal business name
SL MD UROLOGY LLC
Practice address
4 Charles River CT
Wellesley, MA 02482-7300
Phone
(617) 777-0508
NPI assigned
Oct 21, 2026
Last updated
Oct 21, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 21, 2026

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

Authorized official

Name
Dr. Stephen Lazarou, MD
Title
Owner
Phone
(617) 777-0508

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 208800000X Primary

Addresses

Primary practice location

4 Charles River CT
Wellesley, MA 02482-7300

Mailing address

4 Charles River CT
Charles River Court
Wellesley, MA 02482-7300
Phone (617) 777-0508

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1792540800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1792540800000",
    "number": "1447157615",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4 CHARLES RIVER CT",
            "address_2": "CHARLES RIVER COURT",
            "city": "WELLESLEY",
            "state": "MA",
            "postal_code": "024827300",
            "telephone_number": "617-777-0508"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4 CHARLES RIVER CT",
            "city": "WELLESLEY",
            "state": "MA",
            "postal_code": "024827300",
            "telephone_number": "617-777-0508"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SL MD UROLOGY LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-21",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "status": "A",
        "authorized_official_last_name": "LAZAROU",
        "authorized_official_first_name": "STEPHEN",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "617-777-0508",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Urology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wellesley, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 2026; 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.