Day One Integrative Services LLC.

Primary specialty

Substance Use Disorder Rehabilitation Clinic/CenterTaxonomy code 261QR0405X

Legal business name

DAY ONE INTEGRATIVE SERVICES LLC.

Practice address

827 N Main St
Marion, OH 43302-1736

Phone

(740) 914-5000

Fax

(740) 914-5005

NPI assigned

Apr 14, 2020

Last updated

Jun 4, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Nathan Davenport

Title

Owner

Phone

(859) 620-2526

Specialties & licenses 9

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in OH

Enrollment records 1

Other NPIs on the same Medicare enrollment 2

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

• Day One Integrative Services LLC.

  • Community/Behavioral Health Agency
  • Marion, OH
  • NPI 1306332564

  O20181218003114

  Same enrollment
• Day One Integrative Services LLC.

  • Community/Behavioral Health Agency
  • Marion, OH
  • NPI 1770102089

  O20181218003114

  Same enrollment

Tax ID family

Day One Integrative Services2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

• Day One Integrative Services LLC.

  • Community/Behavioral Health Agency
  • Marion, OH
  • NPI 1770102089
  NPD tax ID

Locations

Interoperability endpoints

• FHIR API: https://api.qualifacts.org/api/fhir/d1recovery/r4/

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Brooke E Vass, APRN

  • Family Nurse Practitioner
  • Ironton, OH
  • NPI 1346680626
  NPD

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

{
    "created_epoch": "1586822400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780531200000",
    "number": "1144849613",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "827 N MAIN ST",
            "city": "MARION",
            "state": "OH",
            "postal_code": "433021736",
            "telephone_number": "740-914-5000",
            "fax_number": "740-914-5005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "827 N MAIN ST",
            "city": "MARION",
            "state": "OH",
            "postal_code": "433021736",
            "telephone_number": "740-914-5000",
            "fax_number": "740-914-5005"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "333 E Center St Ste 302",
            "address_purpose": "LOCATION",
            "city": "Marion",
            "state": "OH",
            "postal_code": "433024142",
            "country_code": "US",
            "telephone_number": "740-751-4078",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "DAY ONE INTEGRATIVE SERVICES LLC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-04-14",
        "last_updated": "2026-06-04",
        "certification_date": "2026-06-04",
        "status": "A",
        "authorized_official_last_name": "DAVENPORT",
        "authorized_official_first_name": "NATHAN",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "859-620-2526"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "163WA0400X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Registered Nurse, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "164W00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Licensed Practical Nurse",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084A0401X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Addiction Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0399745",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0305476",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0399490",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jennifer Lynn Davis
• Lynn Marie Davis
• Mark Eugene Davis, M.D.
• Mary Davis, CNP
• Edwin Gilbert Davy, MD
• Day One Integrative Services LLC.
• Day One Integrative Services LLC.
• Bayani Belen De Los Reyes, M.D.
• Dearth Management, Inc (Morning View Care Center of Marion)
• Dearth Management, Inc (Morning View Care Center of Marion)

• Substance Use Disorder Rehabilitation Clinic/Center in Marion, OH
• Providers in Marion, OH by specialty
• Substance Use Disorder Rehabilitation Clinic/Center in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.