Kontre Wellness & Outpatient Services, LLC

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Legal business name

KONTRE WELLNESS & OUTPATIENT SERVICES, LLC

Practice address

2706 Chelsea Ter
Baltimore, MD 21216-1725

Phone

(443) 973-4575

NPI assigned

Apr 23, 2026

Organization subpart

Yes

Parent organization

KONTRE WELLNESS & OUTPATIENT SERVICES, LLCAs reported in NPPES

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

Authorized official

Name

Marjuin V Campbell-Massalee, LCSW-CNPI 1639926280

Title

Proprietor

Phone

(443) 973-4575

Specialties & licenses 1

Addresses

Part of

Kontre Wellness Outpatient Services LLC

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Marjuin Velda Campbell-Massalee, LCSW-C

  • Clinical Social Worker
  • Baltimore, MD
  • NPI 1639926280
  NPD Authorized official

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

{
    "created_epoch": "1776902400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780185600000",
    "number": "1235074378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2706 CHELSEA TER",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212161725",
            "telephone_number": "443-973-4575"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2706 CHELSEA TER",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212161725",
            "telephone_number": "443-973-4575"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KONTRE WELLNESS & OUTPATIENT SERVICES, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "KONTRE WELLNESS & OUTPATIENT SERVICES,  LLC",
        "enumeration_date": "2026-04-23",
        "last_updated": "2026-05-31",
        "certification_date": "2026-05-31",
        "status": "A",
        "authorized_official_last_name": "CAMPBELL-MASSALEE",
        "authorized_official_first_name": "MARJUIN",
        "authorized_official_middle_name": "V",
        "authorized_official_title_or_position": "PROPRIETOR",
        "authorized_official_telephone_number": "443-973-4575",
        "authorized_official_credential": "LCSW-C"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gillian Kongnso
• Maximilian Konig, MD
• Anna Konstantinidis
• Klitos Konstantinidis, M.D
• Theda Christine Kontis, MD
• Laura Warnock Koo, CRNP
• Kristen Rebecca Koob, MD
• Lincy Koodaly, CRNA
• Emily Koogle
• Suzanne Siefert Kool, M.D.

• Clinical Social Worker in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Clinical Social Worker in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 31, 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.