Thomas Glass

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

ADT2645 Issued in MD

Practice address

911 N Broadway
Baltimore, MD 21205-1119

Phone

(410) 614-2028

Fax

(410) 955-4769

NPI assigned

Dec 8, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1670457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742169600000",
    "number": "1306557509",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "911 N BROADWAY",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212051119",
            "telephone_number": "410-614-2028",
            "fax_number": "410-955-4769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "911 N BROADWAY",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212051119",
            "telephone_number": "410-614-2028",
            "fax_number": "410-955-4769"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GLASS",
        "first_name": "THOMAS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-12-08",
        "last_updated": "2025-03-17",
        "certification_date": "2025-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "MD",
            "license": "ADT2645",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Glass Health Systems, LLC
• Marcia Glass Siegel
• Margaret Marie Glass-Lane, LCSW-C
• Florence Glass
• Sheldon David Glass, M.D.
• Herman Glassband, P.D.
• Rachel Glasser, LMSW
• Rebecca Glasser
• Sarah Glasser, LCSW-C
• Stephen H. Glasser, M.D.

• Addiction (Substance Use Disorder) Counselor in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Addiction (Substance Use Disorder) Counselor in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 17, 2025; 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.