Individual provider Active NPI

Thomas John Marks III, DC

  • Chiropractor
  • Powell, OH
National Provider Identifier
1770454746
Registry record updated Oct 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
ChiropractorTaxonomy code 111N00000X
License
05481 Issued in OH
Practice address
10266 Sawmill Pkwy
Powell, OH 43065-9189
Phone
(614) 389-4945
NPI assigned
Sep 15, 2025
Last updated
Oct 24, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 24, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Chiropractor 111N00000X 05481 OH Primary

Addresses

Primary practice location

10266 Sawmill Pkwy
Powell, OH 43065-9189

Mailing address

10266 Sawmill Pkwy
Powell, OH 43065-9189
Phone (614) 389-4945

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251022000513 OH Practitioner - Chiropractic 5597253575 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Chiropractic
Education
Life Chiropractic College, 2025
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

13690 Rosewood Dr NE
Unit a
Thornville, OH 43076-8163

13690 Rosewood Dr NE Unit a
Thornville, OH 43076-8163

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
05481OHMDChiropractor

Practice roles

OrganizationSpecialtyStatusNew patients
Riverside Family Chiropractic Chiropractor CurrentSince Sep 15, 2025 Accepting new patients

Locations

10266 Sawmill Pkwy
Powell, OH 43065
Phone (214) 227-7197

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1757894400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1770454746",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10266 SAWMILL PKWY",
            "city": "POWELL",
            "state": "OH",
            "postal_code": "430659189",
            "telephone_number": "614-389-4945"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10266 SAWMILL PKWY",
            "city": "POWELL",
            "state": "OH",
            "postal_code": "430659189",
            "telephone_number": "614-389-4945"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKS",
        "first_name": "THOMAS",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "DC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-09-15",
        "last_updated": "2025-10-24",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "OH",
            "license": "05481",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Powell, OH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.