Active NPI
Tatia T Williams, PSYD
- Psychologist
- Powell, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- P.7538
- Practice address
- 7171 Sawmill Pkwy Ste 2B
Powell, OH 43065-7828 - Phone
- (614) 293-4969
- Fax
- (614) 293-6111
- NPI assigned
- Jan 23, 2017
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | E.1100254-SUPV | OH | |
| Psychologist | 103T00000X | P.7538 | OH | Primary |
Addresses
Primary practice location
7171 Sawmill Pkwy Ste 2B
Powell, OH 43065-7828
Mailing address
700 Ackerman Rd Ste 2120
Columbus, OH 43202-1559
Phone (614) 293-4969
Other practice location 1
68 W Church St Ste 318
Newark, OH 43055-5050
Phone (740) 417-9265
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OH
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Psychologist
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
106 Starret St
Suite 100
Lancaster, OH 43130-3993
Phone (740) 687-0042
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| E.1100254-SUPV | OH | MD | Professional Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mid-Ohio Psychological Services Inc | Psychologist | Current | Accepting new patients |
| Mid-Ohio Psychological Services Inc | Psychologist | Current | Accepting new patients |
Locations
106 Stover Dr
#A
Delaware, OH 43015
624 E Main St
Lancaster, OH 43130
Phone (740) 475-0488
106 Starret St
Ste 100
Lancaster, OH 43130
Phone (740) 687-0042
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1485129600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785888000000",
"number": "1639616196",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "700 ACKERMAN RD STE 2120",
"city": "COLUMBUS",
"state": "OH",
"postal_code": "432021559",
"telephone_number": "614-293-4969",
"fax_number": "614-293-6111"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7171 SAWMILL PKWY STE 2B",
"city": "POWELL",
"state": "OH",
"postal_code": "430657828",
"telephone_number": "614-293-4969",
"fax_number": "614-293-6111"
}
],
"practiceLocations": [
{
"address_1": "68 W Church St Ste 318",
"address_purpose": "LOCATION",
"city": "Newark",
"state": "OH",
"postal_code": "430555050",
"country_code": "US",
"telephone_number": "740-417-9265",
"fax_number": "740-417-9268",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WILLIAMS",
"first_name": "TATIA",
"middle_name": "T",
"name_prefix": "Dr.",
"credential": "PSYD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2017-01-23",
"last_updated": "2026-08-05",
"certification_date": "2026-08-05",
"status": "A"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "OH",
"license": "E.1100254-SUPV",
"primary": false
},
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "OH",
"license": "P.7538",
"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 Aug 5, 2026; 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.
- 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.