Matthew John Dreyer

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

6420 Clayton Rd
Saint Louis, MO 63117-1811

Phone

(314) 768-8000

NPI assigned

May 3, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1588464000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742860800000",
    "number": "1902427792",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6420 CLAYTON RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631171811"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6420 CLAYTON RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631171811",
            "telephone_number": "314-768-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DREYER",
        "first_name": "MATTHEW",
        "middle_name": "JOHN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-03",
        "last_updated": "2025-03-25",
        "certification_date": "2025-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katherine Drewry, LCSW
• Gloria Kay Drexelius
• Brittany Dreyer, PLPC
• Emily Ann Dreyer, CRNA
• Gary L. Dreyer, M.D.
• Aubrey Dribben
• Stephanie Marie Dribben, ACNP
• William Harry Dribben, MD
• Amy Elizabeth Dribin, MS, PLPC
• Jason Driedger

• Student in an Organized Health Care Education/Training Program in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Student in an Organized Health Care Education/Training Program in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 25, 2025; 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.