Active NPI
Thomas John Marks III, DC
- Chiropractor
- Powell, OH
National Provider Identifier
1770454746
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Chiropractor
- License
- 05481
- Practice address
- 10266 Sawmill Pkwy
Powell, OH 43065-9189 - Phone
- (614) 389-4945
- NPI assigned
- Sep 15, 2025
- Last updated
- Oct 24, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 05481 | OH | MD | Chiropractor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Riverside Family Chiropractic | Chiropractor | Current | 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.