Marissa Elaine Lamastus, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

CSW.09925098 Issued in CO

Practice address

115 S Parkside Dr
Colorado Springs, CO 80910-3130

Phone

(719) 572-6100

NPI assigned

Oct 31, 2018

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

Other names 1

• Marissa Elaine Legal Other name

Medicare fee-for-service enrollment

Enrolled in CO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Diversus Health Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Colorado Springs, CO
  • NPI 1043260243
  Medicare reassignment NPD
• Diversus Health Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Colorado Springs, CO
  • NPI 1376076851
  NPD

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

{
    "created_epoch": "1540944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1154898849",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1032 NORWOOD AVE",
            "city": "COLORADO SPRINGS",
            "state": "CO",
            "postal_code": "809053502"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "115 S PARKSIDE DR",
            "city": "COLORADO SPRINGS",
            "state": "CO",
            "postal_code": "809103130",
            "telephone_number": "719-572-6100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7435 Sisters Grv Ste 400",
            "address_purpose": "LOCATION",
            "city": "Colorado Springs",
            "state": "CO",
            "postal_code": "809232631",
            "country_code": "US",
            "telephone_number": "719-571-8030",
            "fax_number": "719-571-8031",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAMASTUS",
        "first_name": "MARISSA",
        "middle_name": "ELAINE",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-31",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CO",
            "license": "CSW.09925098",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARISSA",
            "last_name": "LEGAL",
            "middle_name": "ELAINE",
            "credential": "LCSW",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Charles J Lalonde, MD
• Raymond L Lam
• Robert Paul Lam, MD
• Alexa Lamack
• Jamie D. Lamanna, ARNP
• Amy Lamb, PTA
• Daniel D. Lamb, DMD
• Erica Beth Lamb, BA
• Erin Lamb, PTA
• Jayla Nichelle Lamb

• Clinical Social Worker in Colorado Springs, CO
• Providers in Colorado Springs, CO by specialty
• Clinical Social Worker in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.