Individual provider Active NPI

Melissa Landolf, CAC-AD

  • Addiction (Substance Use Disorder) Counselor
  • Brooklyn, MD
National Provider Identifier
1851205769
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
AC0807 Issued in MD
Practice address
5710 Ritchie Hwy
Brooklyn, MD 21225-3641
Phone
(443) 440-5780
NPI assigned
Sep 29, 2026
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X AC0807 MD Primary

Addresses

Primary practice location

5710 Ritchie Hwy
Brooklyn, MD 21225-3641

Mailing address

1431 Battery Ave
Baltimore, MD 21230-4603
Phone (443) 440-5780

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": "1790640000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1851205769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1431 BATTERY AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212304603",
            "telephone_number": "443-440-5780"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5710 RITCHIE HWY",
            "city": "BROOKLYN",
            "state": "MD",
            "postal_code": "212253641",
            "telephone_number": "443-440-5780"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LANDOLF",
        "first_name": "MELISSA",
        "credential": "CAC-AD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-29",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "MD",
            "license": "AC0807",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.