Roy H Marcum III

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

Practice address

1 Elizabeth PL
Dayton, OH 45417-3445

Phone

(937) 813-1737

NPI assigned

Aug 24, 2026

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

Not listed in the public Medicare enrollment file

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

{
    "created_epoch": "1787529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1194631556",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 ELIZABETH PL",
            "city": "DAYTON",
            "state": "OH",
            "postal_code": "454173445",
            "telephone_number": "937-813-1737"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 ELIZABETH PL",
            "city": "DAYTON",
            "state": "OH",
            "postal_code": "454173445",
            "telephone_number": "937-813-1737"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCUM",
        "first_name": "ROY",
        "middle_name": "H",
        "name_suffix": "III",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-24",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "OH",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jason Marchant, MSN, APRN, FNP-BC
• Chelsea Marcheski
• Kara Marciani, PSY.D.
• Jessica Marcrum
• Paul S Marcum, CDCA PRELIMINARY
• Yumna Maredia, DO
• Shawn Stanley Marhelski, PAC
• Karlo Mariano, PT
• Maria Valdes Mariano, PT
• Marie'S House of Hope Inc.

• Addiction (Substance Use Disorder) Counselor in Dayton, OH
• Providers in Dayton, OH by specialty
• Addiction (Substance Use Disorder) Counselor in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.