Theresa A Maslan

Primary specialty

Behavior TechnicianTaxonomy code 106S00000X

Practice address

75 Thomas Johnson Dr
Frederick, MD 21702-4895

Phone

(443) 821-1886

NPI assigned

Apr 13, 2026

Last updated

Jun 22, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 10

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1776038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1932042066",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1307 FUTURITY ST",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217022361",
            "telephone_number": "443-821-1886"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 THOMAS JOHNSON DR",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024895",
            "telephone_number": "443-821-1886"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "22610 Gateway Center Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Clarksburg",
            "state": "MD",
            "postal_code": "208712007",
            "country_code": "US",
            "telephone_number": "301-691-1148",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASLAN",
        "first_name": "THERESA",
        "middle_name": "A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-13",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "251B00000X",
            "taxonomy_group": "",
            "desc": "Case Management",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "251C00000X",
            "taxonomy_group": "",
            "desc": "Day Training, Developmentally Disabled Services",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "320900000X",
            "taxonomy_group": "",
            "desc": "Community Based Residential Treatment Facility, Intellectual and/or Developmental Disabilities",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "373H00000X",
            "taxonomy_group": "",
            "desc": "Day Training/Habilitation Specialist",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "3747A0650X",
            "taxonomy_group": "",
            "desc": "Technician, Attendant Care Provider",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "3747P1801X",
            "taxonomy_group": "",
            "desc": "Technician, Personal Care Attendant",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "385H00000X",
            "taxonomy_group": "",
            "desc": "Respite Care",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "MD",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maryland Vision Center, P.a.
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• Amanda Mason, LGPC
• Matthew Mason
• Taylor Masotta, LGPC
• Sandra Gail Masser
• Emily Massi, RDN, LDN

• Behavior Technician in Frederick, MD
• Providers in Frederick, MD by specialty
• Behavior Technician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 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.