Donald L. Knoll, M.S.W.

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

5010 Issued in TX

Practice address

406 Wood Shadow St
San Antonio, TX 78216-1636

Phone

(210) 496-0579

Fax

(210) 496-0579

NPI assigned

Aug 30, 2005

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": "1125360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1649263237",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "406 WOOD SHADOW ST",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782161636",
            "telephone_number": "210-496-0579",
            "fax_number": "210-496-0579"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "406 WOOD SHADOW ST",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782161636",
            "telephone_number": "210-496-0579",
            "fax_number": "210-496-0579"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOLL",
        "first_name": "DONALD",
        "middle_name": "L.",
        "name_prefix": "Mr.",
        "credential": "M.S.W.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-30",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "TX",
            "license": "5010",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "TX",
            "license": "01452",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bryan Knipfer, D.C.
• Mary E. Knitt, LOC, OTR
• Knob Oak, Inc.
• Sharon Knoblock, LPC AND LCDC
• Leanne Ruth Knoespel, RPH
• Judith M Knoll, DO
• Max Lian Knoll, LPC-S
• Kimberly Vaio Knopf
• Barbara Abbott Knorr, LPC
• Katlyn Knorreck

• Addiction (Substance Use Disorder) Counselor in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Addiction (Substance Use Disorder) Counselor in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.